Instruction/ maintenance manual of the product V300 ZyXEL
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www .zyxel.com V300 Series IP Phone User ’ s Guide V ersion 1.10 01/2010 Edition 2.
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About This User's Guide V300 User’s Guide 3 About This User's Guide Intended Audience This manual is intended for people who want to configure the V300 using the LCD scree n and/ or web configurator . Y ou should have at least a basic kn owledge of TCP/IP networking concepts and topology .
Document Conventions V300 User’s Guide 4 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User ’ s Guide.
Document Conventions V300 User’s Guide 5 Icons Used in Figures Figures in this User ’ s Guide may use the followi ng generic icons. The V300 icon is not an exact representation of your device.
Safety Warnings V300 User’s Guide 6 Safety Warnings 1 For your safety , be sure to read and follow all warni ng notices and instructions. • Do NOT use this product near water , for example, in a wet basement or near a swimming pool. • Do NOT expose your device to dampness, dust or corrosive liquids.
Safety Warnings V300 User’s Guide 7 This product is recyclable . Dispose of it properly ..
Safety Warnings V300 User’s Guide 8.
Contents Overview V300 User’s Guide 9 Contents Overview Introduction .......................................... ........................................................................ .......... 25 Introducing the V300 ............. ...... ........
Contents Overview V300 User’s Guide 10.
Table of Contents V300 User’s Guide 11 Table of Contents About This User's Guide ..................................................... ................................................... .. 3 Document Conventions................................
Table of Contents V300 User’s Guide 12 2.3.7 Using V oicemail ................ ............ ................. ............. ................ ............. ............ ...... .3 7 2.3.8 Making Conference Calls ....... ............. ................ .
Table of Contents V300 User’s Guide 13 6.1.1 What Y ou Can Do in This Chapter ...... .......... ................ ............. ................ ............. ... 51 6.1.2 What Y ou Need to Know .. ................ ............. ................ ....
Table of Contents V300 User’s Guide 14 7.2 Accessing the Web Configurator ............... ............. ................ ................ ............. ................ 73 7.2.1 T i tle Bar ........... ............. ............. ................ ..
Table of Contents V300 User’s Guide 15 12.1 Overview ........... ................ ............. ................ ............. ................ ............. ............... .......... 1 1 1 12.1.1 What Y ou Can Do in This Chapter .... ... .........
Table of Contents V300 User’s Guide 16 16.1 Overview ........... ................ ............. ................ ............. ................ ............. ............... ........ . 141 16.2 Power , Hardwa re Connections, and LEDs . .............
List of Figures V300 User’s Guide 17 List of Figures Figure 1 Internet T elephony Servic e Provider Application .................. ............. ................ ................ ....... 28 Figure 2 IP-PBX Applicat ion ........... ............. ....
List of Figure s V300 User’s Guide 18 Figure 39 LCD Menu: SIP Service Domain ............ ............. ................ ............. ............. ................ ...... ... 57 Figure 40 LCD Menu: SIP Service Domain - Edit ................ ......
List of Figures V300 User’s Guide 19 Figure 82 Network > Mgnt Port . ............. ................ ................ ................. ............ ................. ..... .............. 88 Figure 83 SIP User Agent ...... ............. ..........
List of Figure s V300 User’s Guide 20 Figure 125 Windows Vista: S tart Menu ..... ................ ............. ................. ............ ................. .......... ....... 159 Figure 126 Windows Vista: Cont rol Panel .... ............ .....
List of Figures V300 User’s Guide 21 Figure 168 Subnetting Example: After Subnetting .................... ................ ............. ............
List of Figure s V300 User’s Guide 22.
List of Tables V300 User’s Guide 23 List of Tables T able 1 Models Covered .................... ................ ............. ................ ................ ............. ......... ................. 27 T able 2 Front Panel Hardware .............
List of Tables V300 User’s Guide 24 T able 39 Maintenance > T ime Setting ..... ................ ............. ................. ................ ................ ....... ....... 126 T able 40 Maintenance > System > DDNS ......... .........
25 P ART I Introduction Introducing the V300 (27) Hardware (31).
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V300 User’s Guide 27 C HAPTER 1 Introducing the V300 1.1 Overview This chapter introduces the main applications and features of the V300. It also introduces the ways you can manage the V30 0 . The V300 is an IP ph one that allows yo u to make phon e calls over the Inte rnet.
Chapter 1 Introducing the V300 V300 User’s Guide 28 1.2.1 Make Calls via Intern et T elephony Service Provider In a home or small office environment, you can use the V300 to make and receive V oIP telephone calls thr ough an Internet T elephony Service Provider (ITSP).
Chapter 1 Introducin g the V300 V300 User’s Guide 29 Figure 2 IP-PBX Application 1.2.3 Make Peer-to-peer Calls Use the V300 to make a call to the recipient’ s IP address without using a SIP server . Peer -to- peer calls are also called “Point to Point” or “IP-to-IP” ca lls.
Chapter 1 Introducing the V300 V300 User’s Guide 30 1.4 Good Habit s for Managing the V300 Do the following things regularly to make the V300 more secure and to manage the V300 more effectively .
V300 User’s Guide 31 C HAPTER 2 Hardware 2.1 Overview This chapter describes the V300’ s physical fe atures, and how to use the phone function s. 2.2 Physical Features This section discusses the V300’ s front, side, re ar and base panel hardware features.
Chapter 2 Hard ware V300 User’s Guide 32 The following table describes the front panel hardware. T able 2 Front Panel Hardware LABEL DESCRIPTION 1 Handset cradle. 2 LCD (Liquid Crystal Display) screen. 3 Menu Press this to display the V300’s configuration menu.
Chapter 2 Hardware V300 User’s Guide 33 Figure 5 Side Panel The following table describes the side panel hardware. 7 Function keys The LEDs (lights) in these keys illuminate when they are active. VOICEMAIL Use this to check yo ur voicemail messages, once the voicemail number is configured in the V300.
Chapter 2 Hard ware V300 User’s Guide 34 Figure 6 Rear Panel The following table describes the rear panel hardware. Figure 7 Base Panel Hardware T able 4 Rear Panel Hardware LABEL DESCRIPTION 1 Power socket Attach the included power adaptor , if you are not using Power over Ethernet (V301 only).
Chapter 2 Hardware V300 User’s Guide 35 The following table describes the rear panel hardware. 2.2.1 The LCD Screen When the V300 is on , the LCD (Liquid Crystal Di splay) screen shows either the status screen, a phonebook screen, o r a configuration menu.
Chapter 2 Hard ware V300 User’s Guide 36 Press the SPEAKER key . • If you want to use a headset: Press the HEADSET key . 2 Check that you can hear a dial tone. 3 Enter the number you want to call. If you have numbers stored in th e V300’ s phone book, you can use the navigator to select from the list of entries.
Chapter 2 Hardware V300 User’s Guide 37 Press the MUTE key once to mute a call. Press it a second time to return to the call. 2.3.6 Placing a Call on Hold When you place a call o n hold, you neither rece ive nor transmit a signal.
Chapter 2 Hard ware V300 User’s Guide 38 2.3.9 T ransferring a Call T ake the following steps to transf er an ongoing call to another phone number . 1 During the ongoing call, press the T ransfer key . 2 The next available line aut omatically activates.
39 P ART II LCD Screen Menus Using the LCD Screen (41) The Phonebook (45) LCD Menus: Basic Settings (47) LCD Menus: Advanced (51).
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V300 User’s Guide 41 C HAPTER 3 Using the LCD Screen 3.1 Overview This chapter shows you how to use and configur e the V300 via the LCD screen menu system. " See the web configurator section of this guide for background information on the V300’s features.
Chapter 3 Using the LCD Screen V300 User’s Guide 42 3.3 Enabling and Disabling Features Many of the V300’ s LCD screen menus allow you check a feature’ s settin gs and then edit the setting. T ake the following steps to check a feat ure’ s current setting and then enable or disable the feature.
Chapter 3 Using the LCD Screen V300 User’s Guide 43 The following table shows the numbers, letters and symbols you can enter . 3.5 LCD Menu Overview This section shows the LCD menus, and describes what you can do with each. Press the Navigator up or down to access the V300’ s LCD menu system.
Chapter 3 Using the LCD Screen V300 User’s Guide 44 3.6 The LCD St atus Screen When you first turn on th e V300 or make a call, the status screen displays.
V300 User’s Guide 45 C HAPTER 4 The Phonebook 4.1 Overview Use the V300’ s phonebook to view o r store the names and ph one numbers of your con tacts. The following sections describe how to add and use phonebook entries. " The V300 can hold a maximum of 200 private phone num bers and 200 public phone numbers.
Chapter 4 The Phonebook V300 User’s Guide 46 " Y ou can view the stored cont act entry by pressing the PHONEBOOK key . 4.3 Call a Phonebook Cont act In order to call a number you previously entere d in to the V300’ s phonebook, first activate a line (lift the handset, or press the SPEAKER or HEADSET key).
V300 User’s Guide 47 C HAPTER 5 LCD Menus: Basic Settings 5.1 Overview This chapter discusses how to set up your V3 00 using the internal configuration menus. 5.1.1 What Y ou Can Do in This Chap ter •T h e Menu system lets you configure your V300 ( Section 5.
Chapter 5 LCD Menus: Basic Settings V300 User’s Guide 48 5.3 The Phonebook Menu Use the phonebook to view a list of your contacts. Select MENU > Phonebook . The following screen displays. This is the same fuction as pressing the actual PHONEBOOK button.
Chapter 5 LCD Menus: Basic Sett ings V300 User’s Guide 49 Figure 18 LCD Menu: V olume Screen Use the VO L U M E keys to increase or decrease the volume . Press or to go back to the previous menu when you are done. 5.5 The System Info Menu The System Info menu allows you to quickly check some of your V300’ s settings.
Chapter 5 LCD Menus: Basic Settings V300 User’s Guide 50 5.7 The Reset Menu Use this menu to restart the V300 or reset the V300 to the factory defaults. Press MENU > Reset and then to access the Reset menu. The following screen disp lays. Figure 20 LCD Menu: Reset 5.
V300 User’s Guide 51 C HAPTER 6 LCD Menus: Advanced 6.1 Overview This chapter shows you how to use the V300’ s LCD menus. 6.1.1 What Y ou Can Do in This Chap ter •T h e Vo I P menu s let you set up your voice accounts ( Section 6.3 on page 52 ).
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 52 HTTPS HyperT ext T ransfer Protocol over Secure Sock et Layer , or HTTP over SSL is a web protocol that encrypts and decryp ts web pages.
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 53 Figure 26 LCD Menu: Admin Password Entry Press once again after entering the password . If correct, the following screen displays. Figure 27 LCD Menu: SIP Active See the following sections for more info rmation on each menu in this screen.
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 54 6.3.2 SIP Number Use this to see and edit the SI P number for your SIP account. " If you have a SIP account like “1234567@voip-provider .com”, the SIP Number is “1234567”. Select Adv Setting > V oIP1 or V oIP2 > SIP1 Num .
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 55 6.3.3.1 SIP Server Address - Edit Press in the Serv Addr screen. The following screen displays. Figure 32 LCD Menu: SIP Server Address - Edit Use PHONEBOOK to clear the previously-saved settings if any .
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 56 6.3.5 SIP Register Server Use this menu to see and edit the IP address of the server your SIP service provider uses to register the V300. Select Adv Setting > V oIP1 or V oIP2 > Reg Addr . The following screen displays.
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 57 6.3.6.1 SIP Register Port - Edit Press in the Reg Port screen. The following screen displays. Figure 38 LCD Menu: SIP Register Port - Edit Use PHONEBOOK to clear the previously-saved settings if any .
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 58 6.3.8 SIP User ID A SIP account’ s use r ID is its username. Select Adv Setting > V oIP1 or Vo I P 2 > User ID to see and edit the SIP user name for your SIP account. The follo wing screen d isplays.
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 59 Use PHONEBOOK to clear the previously-saved se ttings if any . Enter the new SIP authentication password.
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 60 6.4.1 Auto Provision Active When the auto provisio n feature is set to ON , the V300 then receives all the information it needs to be imme diately usable from the SIP server to which it is registered.
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 61 If the IP address that you entered is malformed or contains mistakes, th en the following error message displays. Figure 50 LCD Menu: Serv Addr Error Otherwise, the IP address that you entered is lo cked int o the phone until manually edited again later .
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 62 If you make a mistake, use the PHONEBOOK key to delete your entry one number at a time. Press again to save the retry time. 6.5 DHCP Use DHCP to have the V300 get an IP a ddress automatically from a DHCP server on the network.
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 63 See the following sections for more info rmation on each menu in this screen. 6.6.1 IP Address Select Adv Setting > S tatic IP > IP Address . The following screen displays. Figure 56 LCD Menu: IP Address The number that displays is the static IP addr ess currently configured on the V300.
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 64 6.6.2.1 Default Gateway - Edit Press in the Gateway screen. The following screen displays. Figure 59 LCD Menu: Gate way - Edit Use PHONEBOOK to clear the previously -saved settings if any . Enter the new gateway IP address and press to save the change.
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 65 6.6.4.1 First / Second DNS - Edit Press in the 1st DNS or 2nd DNS screen. A screen similar to the following displays (this example uses the 1st DNS screen). Figure 63 LCD Menu: First / Second DNS - Edit Use PHONEBOOK to clear the previously -saved settings if any .
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 66 Press to edit the PPPoE username, or press to return to the previous screen. 6.7.1.1 PPPoE Username - Edit If you press in the Username screen, the following screen displays. Figure 66 LCD Menu: PPPoE Us ername - Edit Use PH ONEBOOK to clear the previously-saved settings if any .
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 67 6.9 Ring Setting Select Adv Setting > Ring Setting . The following screen displays. Figure 70 LCD Menu: Ring T ype Use the keys to cycle through the available ring types. Press or to go back to the previous menu when you are done.
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 68 Use the key to turn Flex wo rker mode either On or Off . Press to go back to the pre vious menu whe n you ar e done.
Chapter 6 LCD Menu s: Advanced V300 User’s Guide 69 7 Finally , press the key to log out. The following screen displays: Press the key to confirm the logout. 6.12 Clock Alarm Use this menu to view the V300’ s thre e internal clock alarm config urations.
Chapter 6 LCD Me nus: Advanced V300 User’s Guide 70.
71 P ART III The W eb Configurator The W eb Co nfigurator (73) The Status Screens (79) Network Setup (85) SIP Account Setup (89) Phone Setup (105) The Phone Book (1 11).
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V300 User’s Guide 73 C HAPTER 7 The Web Configurator 7.1 Overview This chapter describes how to access the V300’ s web configura tor and provides an o verview of its screens.
Chapter 7 The Web Configurator V300 User’s Guide 74 4 T ype “admin” as the default username and "1234" a s the password and click Login . Both of these are the device defaults. 5 It is strongly recommended t hat you change your password in the screen that displays next.
Chapter 7 The Web Configurator V300 User’s Guide 75 Figure 77 The S tatus Screen As illustrated above, the we b configurator screen is divided into four parts.
Chapter 7 The Web Configurator V300 User’s Guide 76 7.2.1 T i tle Bar The title bar has some icons in the upper right corner . The icons have the following functions. 7.2.2 Navigation Panel Use the menu item s on the navigatio n panel to open screens and configure the V300 ’ s fe atures.
Chapter 7 The Web Configurator V300 User’s Guide 77 7.2.3 Main Window The main window displays informa tion and configuration fields. It is discussed in the rest of this document. Right after you log in, the St a t u s screen is displayed. See Chapter 8 on page 79 for more information about the St a t u s screen.
Chapter 7 The Web Configurator V300 User’s Guide 78.
V300 User’s Guide 79 C HAPTER 8 The Status Screens 8.1 Overview Use the St a t u s screens to see the current status of the V300, its system res ources, interfaces, and SIP accounts. Y ou can also register and un register SIP accounts and view detailed traffic and V oIP statistics.
Chapter 8 The Status Screens V300 User’s Guide 80 8.2 St atus Screen This screen displays the overall status and performance statistics of your device. Click St a t u s to display it. Figure 78 S tatus Screen Each field is described in the following table.
Chapter 8 The Status Screens V300 User’s Guide 81 DHCP This field displays what DHCP services the V300 is receiving from the LAN. Choices are: Client - The V300 is a DHCP client. It is receiving DHCP services. None - The V300 is not receiving DHCP services.
Chapter 8 The Status Screens V300 User’s Guide 82 8.3 Packet S t atistics This screen displays read-only information here includes port statu s and packet specific statistics. Also provided are "system up time" and "poll interval(s)".
Chapter 8 The Status Screens V300 User’s Guide 83 8.4 V oIP S t atistics This screen displays SIP registra tion information, status of calls and V oIP traf fic statistics. T o access it, open the St a t u s screen (see Section 8.2 on page 80 ), and click (Details.
Chapter 8 The Status Screens V300 User’s Guide 84 Last Outgoing Number This field displays the last number the SIP a ccount called. It di splays N/A i f the SIP account has never dialed a number . Call S tatistics Call This field displays the V300’s line number .
V300 User’s Guide 85 C HAPTER 9 Network Setup 9.1 Overview This chapter discusses how to conf igure the V300’ s network settings. 9.1.1 What Y ou Can Do in This Chap ter •T h e Internet Connection screen lets you change your V300’ s Internet access settings ( Section 9.
Chapter 9 Netwo rk Setup V300 User’s Guide 86 " Regardless of your particular situation, do not create an ar bitrary IP address; always follow the guidelines above. For more information on address assignment, please refer to RFC 1597, Address Allocati on for Private Internets and RFC 1466, Guideli nes for Management of IP Address S pace.
Chapter 9 Network Setup V300 User’s Guide 87 9.2 Internet Connection Use this screen to change your V300’ s Internet access settings. Click Network > Internet Connection . Figure 81 Network > Internet Connection The following table describes the labels in this screen.
Chapter 9 Netwo rk Setup V300 User’s Guide 88 9.3 Management Port Use this screen to configure th e management IP address of the V300. Y ou can use this IP address to connect to th e V300 even when its W AN IP address is in a different subnet. Y our computer must be in the same subnet as the management IP address to use it.
V300 User’s Guide 89 C HAPTER 10 SIP Account Setup 10.1 Overview This chapter discusses the V300’ s Vo I P > SIP screens. 10.1.1 What Y ou Can Do in This Chapter •T h e SIP Settings screen lets you maintain basic information about each SIP account ( Section 10.
Chapter 10 SIP Account Setup V300 User’s Guide 90 SIP Identities A SIP account uses an identity (sometimes re ferred to as a SIP address). A complete SIP identity is called a SIP URI (Uni form Resource Identi fier). A SIP account's URI identifies the SIP account in a way similar to the way an e-mail address identifies an e-mail account.
Chapter 10 SIP Account Setup V300 User’s Guide 91 When you use SIP to make a V oIP call, it origi n ates at a client and terminates at a serve r . A SIP client could be a computer or a SIP phone. One device can act as both a SIP client and a SIP server .
Chapter 10 SIP Account Setup V300 User’s Guide 92 SIP Redirect Server A SIP redirect server accepts SIP requests, translates the destination address to an IP address and sends the translated IP address back to th e device that sent the request.
Chapter 10 SIP Account Setup V300 User’s Guide 93 The V300 must regist er its public IP address with a SIP register server . If there is a NA T router between the V300 and the SIP register server, th e V300 probably has a private IP address. The V300 lists its IP address in the SIP message that it se nds to the SIP register server .
Chapter 10 SIP Account Setup V300 User’s Guide 94 • G. 7 1 1 is a Pulse Code Modulation (PCM) wave form codec. PCM measures analog signal amplitudes at regular time in tervals (sampling) and conver ts them into digital bits (quantization). Quantization “reads” the analog signal and then “writes” it to the nearest digital value.
Chapter 10 SIP Account Setup V300 User’s Guide 95 T ype Of Service (T oS) Network traffic can be classified by setting th e T oS (T ype Of Service) values at the data source (for example, at the V300) so a server can decide the best method of delivery , that is the least cost, fastest route and so on.
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Chapter 10 SIP Account Setup V300 User’s Guide 97 Each field is described in the following table. T able 26 VoIP > SIP > SIP Settings LABEL DESCRIPTION SIP Settings SIP Account Select the SIP account you want to see in this screen. At the time of writing, the V300 supports two SIP accounts.
Chapter 10 SIP Account Setup V300 User’s Guide 98 Register Servic e Port Enter the backup SIP register server ’s lis tening port number , if your V oIP service provider gave you one. Otherwise, enter th e same port number you entered in the SIP Service Port field for this backup server .
Chapter 10 SIP Account Setup V300 User’s Guide 99 10.2.1 Advanced SIP Setup Screen Use this screen to maintain advanced settings for each SIP account.
Chapter 10 SIP Account Setup V300 User’s Guide 100 Each field is described in the following table. T able 27 VoIP > SIP > SIP Settin gs > Advanced Setup LABEL DESCRIPTION SIP Server Settings URL T ype Select whether or not to include th e SIP servic e domain name when the V300 sends the SIP number .
Chapter 10 SIP Account Setup V300 User’s Guide 101 DTMF Mode Control how the V300 handles the alphanumeric keypad tones. Y ou should use the same mode your V oIP service provider uses. RFC 2833 - send th e DTMF tones in RTP packets PCM - send the DTMF tones in the voice data stream.
Chapter 10 SIP Account Setup V300 User’s Guide 102 Expirat ion Ti m e Keep the default value, unless your V oIP service provider tells you to change it. Enter the number of seconds th e SIP se rver should provide the message waiting service each ti me the V300 subscribes to the service.
Chapter 10 SIP Account Setup V300 User’s Guide 103 10.3 SIP QoS Screen Use this screen to maintain T oS an d VLAN settings for the V300. Click V oIP > SIP > QoS . The following screen displays. Figure 90 V oIP > SIP > QoS Each field is described in the following table.
Chapter 10 SIP Account Setup V300 User’s Guide 104.
V300 User’s Guide 105 C HAPTER 11 Phone Setup 1 1.1 Overview This chapter discusses the V300’ s Phone scree ns. 1 1.2 What Y ou Can Do in This Chapter •T h e Phone Settings screen let s you adjust the V300’ s volume levels ( Section 1 1.3 on page 106 ).
Chapter 11 Phone Setup V300 User’s Guide 106 1 1.3 Phone Settings Screen Use this screen to configure basic phone settings like volume levels. Click Vo I P > Phone > Phone Settings .
Chapter 11 Phone Setup V300 User’s Guide 107 Each field is described in the following table. T able 29 VoIP > Phone > Phone Se ttings LABEL DESCRIPTION V olume Control Ring V olume Select this to set the volume of the V300’s ringtone. 0 is the quietest and 12 is the loudest.
Chapter 11 Phone Setup V300 User’s Guide 108 1 1.3.1 V oice Activity Detection/Silence Suppression V oice Activity Detection (V AD) detects whether or not speech is pres ent. This lets the V300 reduce the bandwidth that a call uses by not transmitting “silent packet s” when you are not speaking.
Chapter 11 Phone Setup V300 User’s Guide 109 Each field is described in the following table. 1 1.5 Speed Dial Settings Screen Speed dial provides shortcuts for dialing fre quently used phone nu mbers.
Chapter 11 Phone Setup V300 User’s Guide 11 0 Each field is described in the following table. 1 1.6 Programmable Feature Key Settings Screen Y ou can program the c ustom keys on the V300 to automatically control certain supplementary call services, such as caller ID, call forwardi ng, call waiting, and so on.
V300 User’s Guide 111 C HAPTER 12 The Phone Book 12.1 Overview This chapter discusses the Phone Book screens. " The V300 can hold a maximum of 200 private phone num bers and 200 public phone numbers.
Chapter 12 The Pho ne Book V300 User’s Guide 11 2 12.2 Call Forward Screen Use this screen to configure call forwarding for incoming calls. When call forwarding is active, incoming calls are redirected to othe r phone numbers. Y ou can set up rules for all incoming calls, or have the V300 forward calls from specific numbers only .
Chapter 12 The Phon e Book V300 User’s Guide 11 3 Busy Forward to Number Select this if you want the V300 to forward incoming calls to th e specified phone number if the phon e is busy (it does not matter wh ich line is being used). S pecify the phone number in the field on the right.
Chapter 12 The Pho ne Book V300 User’s Guide 11 4 12.3 Cont act List Screen Use this screen to see, add and ed it details of your contacts. Click Vo I P > Phone Book > Contact List . The following screen displays. Figure 96 V oIP > Phone Book > Contact List The following table describes the labels in this screen.
Chapter 12 The Phon e Book V300 User’s Guide 11 5 12.4 Group List Screen Use this screen to see and edit the calling groups to which your phonebook contacts belong. " Y ou can also edit this information in the Vo I P > Phone Book > Cont act List screen.
Chapter 12 The Pho ne Book V300 User’s Guide 11 6 Figure 97 V oIP > Phone Book > Group List The following table describes the labels in this screen. T able 35 VoIP > Phone Book > Group List LABEL DESCRIPTION Group List Group Se lect the calling gro up you want to see.
Chapter 12 The Phon e Book V300 User’s Guide 11 7 12.5 Block List Screen Use this screen to see and edit details of the pho ne numbers that are prevented from making incoming calls to the V300. Click Vo I P > Phone Book > Block List . The following screen displays.
Chapter 12 The Pho ne Book V300 User’s Guide 11 8 12.6 DND White List Screen Use this screen to see and edit details of people who can ma ke incoming calls to the V3 00 even when you have DND (Do Not Disturb) turned on. Click Vo I P > Phone Book > DND White List .
Chapter 12 The Phon e Book V300 User’s Guide 11 9 The following table describes the labels in this screen. T able 37 VoIP > Phone Book > DND White Lis t LABEL DESCRIPTION DND White LIst Item This is the index number of the DND white list entry .
Chapter 12 The Pho ne Book V300 User’s Guide 120.
121 P ART IV Maintenance and T roubleshooting System (123) Logs (131) T ools (133) T roubleshooting (141).
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V300 User’s Guide 123 C HAPTER 13 System 13.1 Overview Use the System screens to change the V300’ s system and domain name settings, change the password or configure time settings.
Chapter 13 System V300 User’s Guide 124 13.3 General Screen Use this screen to change system settings and the web configurator password, or to set the administrator inactivity timer . " If you forget your passwor d you will need to reset the device .
Chapter 13 System V300 User’s Guide 125 Administrator Inactivi ty Ti m e r T ype how many seconds a management session can be left idle before the session times out. After it times out you have to log in with your password again. V ery long idle timeouts may ha ve security risks.
Chapter 13 System V300 User’s Guide 126 13.4 T ime Setting Screen T o change your V300’ s time and date, click Maintenance > System > Time Setting . The screen appears as shown. Use this screen to co nfigure the V300’ s time based on your local time zone.
Chapter 13 System V300 User’s Guide 127 New Date (yyyy/mm/dd) This field displays the last updated date fr om the time server or the last date configured manua lly . When you set Ti me an d Da te Se tu p to Manu al , enter the new date i n this field and then click Apply .
Chapter 13 System V300 User’s Guide 128 13.5 Dynamic DNS Dynamic DNS allows you to map your current dynamic IP address with one or many dynamic DNS services so that anyone can contact you. SIP IP phones can a ccess the SIP server on the V300 using a domain name (for in stance myho st.
Chapter 13 System V300 User’s Guide 129 13.6 Clock Alarm Setting Click Maintenance > System > Clock Alarm Setting . The screen appears as shown. Use this screen to configure the V300 ’ s clock alarm schedule. " The three alarms must have different c onfigurations.
Chapter 13 System V300 User’s Guide 130.
V300 User’s Guide 131 C HAPTER 14 Logs 14.1 Overview This chapter contains information on viewing your V300’ s logs. 14.2 Logs Screen Click Maintenance > Logs to open the Logs screen. Y ou can view logs and alert messages in this scr een. Once the log table is full, old logs are deleted as new logs are created.
Chapter 14 Logs V300 User’s Guide 132 14.3 SIP Message Click Maintenance > Logs > SIP Message to open this screen. Y ou can view SIP server messages and responses in this screen. Once the log is full, old messages are deleted as new ones are created.
V300 User’s Guide 133 C HAPTER 15 Tools 15.1 Overview This chapter shows you how to upload new firm ware, upload or save b ackup configuration files and restart the V300. 15.1.1 What Y ou Can Do in This Chapter •T h e Firmwar e screen lets you upload new firmware to your V300 whenever an update becomes available ( Section 15.
Chapter 15 Tools V300 User’s Guide 134 The following table describes the labels in this screen. " Do not turn off the V300 whil e firmware upload is in progress! After you see the Firmware Upload In Pr oc ess screen, wait two minut es before logging into the V300 again.
Chapter 15 Tools V300 User’s Guide 135 Figure 109 Upload Error Me ssage 15.3 Configuration Screen Click Maintenance > T ools > Configuration . Information related to factory defaults, backup configuration, and restorin g configuration appears on this screen.
Chapter 15 Tools V300 User’s Guide 136 15.3.2 Restore Configuration Restore configuration allows you to upload a new or previously saved configuration file from your computer to your V300.
Chapter 15 Tools V300 User’s Guide 137 Figure 1 13 Configuration Restore Error 15.3.3 Save Debug Log Save Debug Log allows yo u save a copy of the V300’ s debug log to your computer . This is useful if you encounter any p roblems with the device and need to talk to customer support.
Chapter 15 Tools V300 User’s Guide 138 15.5 Ring Maintenance Screen This screen allows you to upload files to the V300 and use them as ringtones. These files must be MIDI (Musical Instrument Digital Interface) files with a “.midi” extension. Y ou can also download files from the V 300 to your comp uter .
Chapter 15 Tools V300 User’s Guide 139 15.6 Packet Mirror Screen This screen is where you ca n configure packet mi rroring on the V300. This sets the devi ce to send voice packets from the V300 to another IP ad dress, where they can be analyzed to clarify Internet-related issues.
Chapter 15 Tools V300 User’s Guide 140 The following table describes the labels in this screen. T able 47 Maintenance > Tools > Ring Maintenance LABEL DESCRIPTION Activ e Check this to enable packet mirroring. Mirror I P Enter an IP address to which mirrored packets are sent.
V300 User’s Guide 141 C HAPTER 16 Troubleshooting 16.1 Overview This chapter offers some sugg estions to solve problems you might encounter . The potential problems are divided into the following categories. • Power , Hardware Connections, and LEDs • Internet Access • Phone Calls and V oIP 16.
Chapter 16 Trou bleshooting V300 User’s Guide 142 V I forgot the IP address for the V300. 1 The V300 is set to get an IP address automatic ally by default.
Chapter 16 Trou bleshooting V300 User’s Guide 143 V I can see the Login screen, but I cannot log in to the V300. 1 Make sure you have entered the user name and password correctly . The default password is 1234 . This field is case-sensitive, so make sure [Caps Lock] is not on.
Chapter 16 Trou bleshooting V300 User’s Guide 144 V I cannot access the Internet anymore. I had access to the Internet (with the V300), but my Inter net connection is not available anymore. 1 Check the hardware connections, and make sure the LEDs and the LCD screen are behaving as expected.
Chapter 16 Trou bleshooting V300 User’s Guide 145 • If you use a static IP address, see Section 6.6 on page 62 for how to change DNS settings. • If you use a dynamic IP address (DHCP) your DNS settings are controlled by the DHCP server . The DHCP server may belong to your service provider , or it may be on your network.
Chapter 16 Trou bleshooting V300 User’s Guide 146 V I cannot use some calling features. Many of the features your V300 supports depend on your V oIP service prov ider . Y ou may have to subscribe to certain services. Cont act your V oIP service provider for more information.
147 P ART V Appendices and Index Product Specification s (149) Setting Up Y our Computer ’ s IP Address (155) Pop-up W indows, JavaScripts and Java Permissions (179) IP Addresses and Subnetting (185.
148.
V300 User’s Guide 149 A PPENDIX A Product S pecifications The following tables summarize the V300 ’ s hardware and firmware features. T able 48 Hardware Specifications Dimensions (W x D x H) 16.5mm x 208mm x 91.5mm Weight 465g Power S pecification 12V DC, 1.
Appendix A Product Specifications V300 User’s Guide 150 T able 49 Firmware Specifications FEATURE DESCRIPTION Default DHCP status Client Default management IP address 192.168.5.1 Default Password 1234 Device Management Use the V30 0’s LCD screen menus or the web configurator to easily configure the rich range of features.
Appendix A Product Specifications V300 User’s Guide 151 The following list, which is not exhaustive, i llustrates the standards su pported in the V300.
Appendix A Product Specifications V300 User’s Guide 152 W all-mounting Instructions Complete the following step s to hang your V300 on a wall. " See T able 48 on page 149 for the size of screws to use and how far apart to place them. 1 Select a position free of obstructions on a sturdy wall.
Appendix A Product Specifications V300 User’s Guide 153 Figure 1 19 Masonry Plug and M4 T ap Screw.
Appendix A Product Specifications V300 User’s Guide 154.
NWD271N User’s Guide 155 A PPENDIX B Setting Up Y our Computer ’ s IP Address " Y our specific ZyXEL device may not support all of the operating systems described in this appendix. See the product specifications for more information about which operating systems are supported.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 156 Windows XP/NT/2000 The following example uses the defa ult Wi ndows XP display theme b ut can also apply to W indows 2000 and W indows NT . 1 Click St a r t > Control Panel .
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 157 3 Right-click Local Area Connection and then select Properties . Figure 122 Windows XP: Control Panel > Network Conn ections > Properties 4 On the General tab, select Internet Protocol (TCP/IP) and then click Properties .
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 158 5 The Internet Protocol TCP/IP Pr operties window opens. Figure 124 Windows XP: Internet Protocol (TCP/IP) Propert ies 6 Select Obtain an IP address automatically if your network administrator or ISP assigns your IP address dynamically .
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 159 Windows V ist a This section shows screens from W indows V ista Professional. 1 Click St a r t > Control Panel . Figure 125 Windows V ista: S tart Menu 2 In the Control Panel , click the Network and Internet icon.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 160 4 Click Manage network connections . Figure 128 Windows V ista: Network and Sharing Center 5 Right-click Local Area Connection and then select Properties .
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 161 6 Select Internet Protocol V ersion 4 (TCP/IPv4) and then select Properties .
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 162 7 The Internet Protocol V ers ion 4 (TCP/IPv4) Properties window opens. Figure 131 Windows V ista: Internet Protocol V ersion 4 (TCP/IPv4) Properties 8 Select Obtain an IP address automatically if your network administrator or ISP assigns your IP address dynamically .
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 163 Mac OS X: 10.3 and 10.4 The screens in this section are from Mac OS X 10.4 but can also apply to 10.3. 1 Click Apple > System Pr eferences . Figure 132 Mac OS X 10.4: Apple Menu 2 In the System Prefer e nces window , click the Network icon.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 164 3 When the Networ k prefe rences pane opens, select Built-in Ethernet from the network connection type list, and then click Configur e.
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 165 5 For statically assigned settings, do the following: •F r o m t h e Configure IPv4 list, select Manually . •I n t h e IP Addr e ss field, type your IP address. •I n t h e Subnet Mask field, type your subnet mask.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 166 Mac OS X: 10.5 The screens in this section are from Mac OS X 10.5. 1 Click Apple > System Pr eferences . Figure 138 Mac OS X 10.5: Apple Menu 2 In System Preferences , click the Network icon.
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 167 3 When the Networ k prefe rences pane opens, select Ethernet from the list of available connection types. Figure 140 Mac OS X 10.5: Network Preference s > Ethernet 4 From the Configure list, select Using DHCP for dynamically assigned settings.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 168 Figure 141 Mac OS X 10.5: Network Preference s > Ethernet 6 Click Apply and close the window .
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 169 Linux: Ubuntu 8 (GNOME) This section shows you how to co nfigure your computer ’ s TCP/IP settings in the GNU Object Model Environment (GNOME) us ing the Ubuntu 8 Linux distribution.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 170 3 In the Authenticate window , enter your adm in account name and password then c lick the Authenticate button.
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 171 5 The Properties dialog box open s . Figure 147 Ubuntu 8: Network Settings > Properties •I n t h e Configuration list, select Automatic Configuration (DHCP) if you have a dynamic IP address.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 172 V erifying Settings Check your TCP/IP properties by clicking System > Administration > Network T ools , and then selecting the appropriate Network device from the Devices tab.
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 173 Linux: openSUSE 10.3 (KDE) This section shows you how to configure your computer’ s TCP/IP settings in the K Desktop Environment (KDE) using the op enSUSE 10.3 Linux distribution.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 174 3 When the Y aST Contr ol Center window opens, select Ne twork Devices and then click the Network C ard icon.
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 175 5 When the Network Card Setup window opens, click the Address tab Figure 154 openSUSE 10.3: Network Card Setup 6 Select Dynamic Address (DHCP) if you have a dynamic IP address.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 176 8 If you know your DNS server IP address(es), click the Hostname/DNS tab in Network Settings and then enter the DNS server in formation in the fields provided. Figure 155 openSUSE 10.
Appendix B Setting Up Your Compu t er’s IP Address NWD271N User’s Guide 177 V erifying Settings Click the KNetwork Manager icon on the Ta s k b a r to check your TCP/IP properties. From the Options sub-menu, select Show Connecti on Information . Figure 156 openSUSE 10.
Appendix B Se tting Up Your Computer’s IP Addres s NWD271N User’s Guide 178.
V300 User’s Guide 179 A PPENDIX C Pop-up Windows, JavaScript s and Java Permissions In order to use the web configurator you need to allow: • W eb browser pop-up windows from your device. • JavaScripts (enabled by default). • Java permissions (enabled by default).
Appendix C Pop-up Windows, JavaScripts and Java Perm issions V300 User’s Guide 180 2 Clear the Block pop-ups check box in the Pop-up Blocker section of the screen. This disables any web po p-up blockers you may have ena bled. Figure 159 Internet Options: Privacy 3 Click Apply to save this setting.
Appendix C Pop-up Windows, JavaScripts and Java Per m issions V300 User’s Guide 181 Figure 160 Internet Options: Privacy 3 T ype the IP address of your device (the web page that you do not want to have blocked) with the prefix “http://”. For example, http://192.
Appendix C Pop-up Windows, JavaScripts and Java Perm issions V300 User’s Guide 182 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting. JavaScript s If pages of the web configura tor do not display properly in Internet Explorer, check that JavaScripts are allowed.
Appendix C Pop-up Windows, JavaScripts and Java Per m issions V300 User’s Guide 183 Figure 163 Security Settings - Java Scripting Java Permissions 1 From Internet Explorer , click To o l s , Internet Options and then the Security tab. 2 Click the Custom Level.
Appendix C Pop-up Windows, JavaScripts and Java Perm issions V300 User’s Guide 184 JA V A (Sun) 1 From Internet Explorer , click To o l s , Internet Options and then the Advanced tab. 2 Make sure that Use Java 2 for <applet> under Java (Sun ) is se lected.
V300 User’s Guide 185 A PPENDIX D IP Addresses and Subnetting This appendix introduces IP addresses and subnet masks. IP addresses identify ind ividual devices on a network. Every networking device (includin g computers, servers, routers, printe rs, etc.
Appendix D IP Addresses a nd Subnetting V300 User’s Guide 186 Figure 166 Network Number and Host ID How much of the IP address is the network number and how much is the host ID varies according to the s ubnet mask.
Appendix D IP Addresses and Subnetting V300 User’s Guide 187 Subnet masks are expressed in dotted decimal no tation just like IP addresses. The follow ing examples show the binary and decimal not ation for 8-bit, 16-bit, 24-bit an d 29-bit subnet masks.
Appendix D IP Addresses a nd Subnetting V300 User’s Guide 188 Subnetting Y ou can use subnetting to divide one network into multiple sub-networks. In the following example a network administrator creates two sub-networks to isolate a group of servers from the rest of the c ompany network for security reasons.
Appendix D IP Addresses and Subnetting V300 User’s Guide 189 Figure 168 Subnetting Example: Af ter Subnetting In a 25-bit subnet the host ID has 7 bits , so each sub-network has a maximum of 2 7 – 2 or 126 possible hosts (a host ID of all zeroes is the subnet’ s address itself, all ones is the subnet’ s broadcast address).
Appendix D IP Addresses a nd Subnetting V300 User’s Guide 190 Example: Eight Subnet s Similarly , use a 27-bit mask to create eight subnets (000, 001, 010, 01 1, 100, 101, 1 10 and 111 ) . The following table shows IP address last octet values for each subnet.
Appendix D IP Addresses and Subnetting V300 User’s Guide 191 Subnet Planning The following table is a summary for su bnet planning on a network with a 24-bit network number . The following table is a summary for su bnet planning on a network with a 16-bit network number .
Appendix D IP Addresses a nd Subnetting V300 User’s Guide 192 Configuring IP Addresses Where you obtain your netwo rk number depends on your particular situation. If the ISP or your network administrator assigns yo u a bloc k of registered IP addresses, follow their instructions in selecting the IP addresses and the subnet mask.
V300 User’s Guide 193 A PPENDIX E Legal Information Copyright Copyright © 2007 by ZyXEL Communications Corporation. The contents of this publication may not be reprod uced in any part or as a whole.
Appendix E Legal In formation V300 User’s Guide 194 If this device does cause harmful inte rference to radio/television reception, which can be determined by turning th e device off and on, the user is enc ouraged to try to correct the interference by one or more of the following measures: 1 Reorient or relocate the receiving antenna.
Appendix E Legal Information V300 User’s Guide 195 ZyXEL) and the customer will be billed for part s and labor . All repaired or replaced products will be shipped by ZyXEL to th e corresponding return address, P o stage Paid. This warranty gives you specific legal rights, and yo u may also have othe r rights that vary from country to country .
Appendix E Legal In formation V300 User’s Guide 196.
V300 User’s Guide 197 A PPENDIX F Open Sof tware Announcement s End-User License Agreement for "V300" W ARNING: ZyXEL Communicatio ns Corp. IS WILLING TO LICENSE THE SOFTW ARE TO YOU ONL Y UPON THE CONDITION THA T YOU ACCEPT ALL OF TH E TERMS CONT AINED IN THIS LICENSE AGREEMENT .
Appendix F Op en Software Announceme nts V300 User’s Guide 198 3 Copyright The Software and Documentation contain mat e rial that is protected by International Copyright Law and trade secr et law , and by international treaty provisions. All right s not granted to you herein are expressly reserved b y ZyXEL.
Appendix F Open Software Anno uncements V300 User’s Guide 199 5 Confidentiality Y ou acknowledge that the Software contai ns propriet ary trade secrets of Z yXEL and you hereby agree to maintain the.
Appendix F Op en Software Announceme nts V300 User’s Guide 200 8 Export Restrictions THIS LICENSE AGRE EMENT IS EXPRESSL Y MADE SUBJECT TO ANY APPLICABLE LAWS, REGULA TIONS, ORDERS, OR OTHE R RESTRICT IONS ON THE EXPORT OF THE SOFTWARE OR INFORMA TION ABOU T SUCH SOF TWARE WHICH MA Y BE IMPOSED FROM TIME T O TIME.
Appendix F Open Software Anno uncements V300 User’s Guide 201 Agreement shall be interpreted so as to reasonably effect the intention of the parties. Note: NOTE: Some component s of this product incorporate source code covered under the open source code licenses.
Appendix F Op en Software Announceme nts V300 User’s Guide 202.
V300 User’s Guide 203 A PPENDIX G Customer Support Please have the following information r eady when you contact customer support. Required Information • Product model and serial number . • W arranty Information. • Date that you received your de vice.
Appendix G Custo mer Support V300 User’s Guide 204 • Re g u l a r M a i l : ZyXEL C ommunications, Czech s.r .o., Modranská 621, 143 01 Praha 4 - Modrany , Ceská Republika Denmark • Support E-mail: support@zyxel.dk • Sales E-mail: sales@zyxel.
Appendix G Custome r Support V300 User’s Guide 205 India • Support E-mail: support@zyxel.in • Sales E-mail: sales@zyxel.in • T elephone: +91-1 1-30888144 to +91-1 1-30888153 • Fax: +91-1 1-30888149, +91-1 1-26810715 • W eb: http://www .zyxel.
Appendix G Custo mer Support V300 User’s Guide 206 • Re g u l ar M ai l : ZyXEL Communications In c., 1130 N. Miller St., Anaheim, CA 92806- 2001, U.S.A. Norway • Support E-mail: support@zyxel.no • Sales E-mail: sales@zyxel.no • T elephone: +47-22-80-61-80 • Fax: +47-22-80-61-81 • W eb: www .
Appendix G Custome r Support V300 User’s Guide 207 Sweden • Support E-mail: support@zyxel.se • Sales E-mail: sales@zyxel.se • T elephone: +46-31-744-7700 • Fax: +46-31-744-7701 • W eb: www .zyxel.se • Re g u la r Ma i l : ZyXEL Communications A/S, Sjöporten 4, 41764 Göteborg, S weden Thailand • Support E-mail: support@zyxel.
Appendix G Custo mer Support V300 User’s Guide 208.
Index V300 User’s Guide 209 Index A AbS 94 ACK message 90 action keys 32 address 85 address assignment 85 advanced settings 49 , 51 alphanumeric keypad 33 alternative subnet mask notation 187 analys.
Index V300 User’s Guide 210 G G .168 150 G. 7 11 94 G .723 94 G .726 94 G .729 94 gateway 49 , 62 group list 11 5 H handset 32 , 35 hang up 33 hardware 31 hardware connections 31 , 73 headphone socket 33 headphones 33 headset 33 host ID 86 humidity 149 hybrid waveform codec 94 I IANA 85 , 192 IEEE 802.
Index V300 User’s Guide 21 1 outbound proxy server 93 P passwor d 73 , 74 PBX services 89 PCM 94 peer-to-peer calls 29 per-hop behavior 95 PHB (per-hop behavior) 95 phone functions 31 phonebook 45 ,.
Index V300 User’s Guide 212 SIP server port 55 SIP servers 90 SIP service domain 57 , 90 SIP URI 90 SIP user agent 91 sound quality 94 speaker 33 speakerphone 33 speed dial 109 SPTGEN 29 S tatic IP .
Index V300 User’s Guide 213.
An important point after buying a device ZyXEL V300 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought ZyXEL V300 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data ZyXEL V300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ZyXEL V300 you will learn all the available features of the product, as well as information on its operation. The information that you get ZyXEL V300 will certainly help you make a decision on the purchase.
If you already are a holder of ZyXEL V300, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime ZyXEL V300.
However, one of the most important roles played by the user manual is to help in solving problems with ZyXEL V300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ZyXEL V300 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
