Instruction/ maintenance manual of the product GXP2110 Grandstream
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GXP2120/GXP21 10/GXP2100/GXP14xx USER MANUAL Grandstream Networks, Inc. GX P2120/GXP21 10/GXP2100/GXP14xx SIP Enterprise Phones.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GXP21 10/GXP2100/GXP14xx USER MANUAL Page 2 of 77 GXP2120/GXP21 10/GXP2100/GXP14xx User Manual Index GUI INTERF A CE EXA MPLES .................................................................... 5 GNU GPL INFOR MA TION .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 3 of 77 DURING A PHON E CALL .................................................................................................................... 31 CALL WA ITING/CAL L HOLD .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 4 of 77 T able of T ables GXP2120/GXP21 10/GXP2100 /GXP14x x User M anual T able 1 : GXP2120 /GXP21 10/GX P2100/GXP14xx FEA TURES IN A GLANCE .............................
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 5 of 77 GUI INTERF ACE EXAMPLES http://www . grandstream .com /products/gxp_se ries/general/docum ents/gxp21xx_g ui.zip 1. Screenshot of Login Page 2. Screenshots of S tatus Pages 3.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 6 of 77 GNU GPL INFORMA TION GXP2120/GXP21 1 0/GXP2100/G XP14xx firm ware contain s third-part y software licensed under t he GNU Ge neral Public License (G PL). Gr andstream uses software under the specific terms of the GPL.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 7 of 77 CHANGE LO G This section documents significant changes f rom previous versions of user m anuals for GXP2120/GXP21 1 0/GXP2100/G XP14xx . Only m ajor ne w features or major do cum ent updates are listed here.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 8 of 77 FIRMW ARE VERSION 1.0.4.23 Updated XML Application d ocumentation link. [CUSTOMIZED LCD SCR EEN & XML ] Added "Use Privacy Heade r" and "Use P-Preferred- Identit y Header" options in web GUI.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 9 of 77 WELC OME Thank y ou for purchasing Grandstream GXP2120/GXP2110/GXP210 0 /GXP14xx SIP Enterpr ise Phones . Your Grandstream GX P2120/GXP211 0/GXP2100/G XP 14x x Enterprise IP p hone is feature- enriched, sophisticated, yet sim ple to use.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 10 of 77 PR ODU CT O VER VIEW FEA TURE HIGHTLIGHTS T able 1 : GXP2120/G XP21 10/G XP2100/GXP 14xx FEA TURES IN A GL ANC .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 11 of 77 T able 2 : GXP2120/G XP21 10/G XP2100/GXP 14xx COMP A RISON GUIDE Features GXP21 20 GXP21 1 0 GXP2100 GXP1450 G.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 12 of 77 Graphic Display LCD size and back light: GXP21 20 GXP2 11 0 GXP2 10 0 GXP1450 GXP140x 320x160 pixel 240x120 pix.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 13 of 77 call log (up to 2000 recor ds f or GXP2120/GX P21 10/G XP2100, up to 50 0 rec ords for GXP 14 xx ), XML customi.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 14 of 77 Package Content GXP2120/GXP21 1 0/GXP2100/G XP14xx phone, handset with c ord, base stand, wall mount spacers, u.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 15 of 77 INS T A LLA TION EQUIPMENT P ACKA GING T able 4: GXP2120/GXP21 10/GXP2100/GXP 14xx EQUIP MENT P A CKA GING Main.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 16 of 77 5. The LC D w ill d isplay pro visioning or firm ware upgrade inf ormation.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 17 of 77 GXP2120 w ith 2 GXP EXT Boards GXP EXT Board Reverse side of connection w ith connection plate GXP2120/21 10 ha.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 18 of 77 S AFETY COMPLIANCES The G XP 2120 /GXP2110/G XP2100/GX P14xx ph one com plies with F CC/CE and v arious saf ety standards. The GXP2120/GXP2110/G XP2100 /GXP14xx power adapt er is com pliant w ith the UL standard.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 19 of 77 USING THE GXP 2120 /GXP2110/GXP2100/GXP14xx GETTING F AMILAR WITH THE L CD GXP2120/GXP21 1 0/GXP2100/G XP14xx has a dynamic and custom izable screen. The screen displa ys differently dependin g on whether th e pho ne is idle or in use (active).
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 20 of 77 toggle among default idle scr een, w eather inform ation, IP Address and the SIP extension number . Forward All Unconditionall y for wards the phone line (account 1) to another phone.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 21 of 77 entering transfer target num ber . Pres s T ransfer softkey to do blind transfer . Sp lit In auto-att ended tra nsfer mode, after establi shing the second call, press S plit to quit transfer and go back to norm al talking status.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 22 of 77 T able 7 : GXP2120 /GXP21 10/G XP2100/1450 LCD ICON S DND St atus. OFF - Do Not Disturb disabled ON - Do Not Distur b enabl ed Call Forward A ll Status. OFF - Call For ward All feature disabled ON - Call Forward All feature enabled Call Forward Busy Status.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 23 of 77 ON - Network connection is down Missed Call Status. OFF - No m issed call ON - New m issed call Save Call Record Status. OFF - No saving call record activit y ON - The phone i s writing the call records into the flash at the mom ent W aiting For Response.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 24 of 77 MUTE Status. OFF - No m uted ON - Mute d Call On Hold. Call A ctive. Conference Call. Core Dump. Core dum p file c an be downloaded fr om phone's Web GUI- >S tatus page.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 25 of 77 ON - The active call is m uted SRTP S tatus. OFF - SRTP is not us ed ON - SRTP is used GETTING F AMILAR WITH THE KEYP AD T he following table desc ribes the buttons used on the GXP2120/GX P21 10/GXP2 100/GXP 14xx k eypad.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 26 of 77 NA VIG A T ION K EYS/M ENU Press the 4 nav igation ke y s to m ove up/down/left/right; Press the round button in the center f or MENU/ENTER/O K PHONEBOOK N/A Phonebook/Contacts.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 27 of 77 of independent SI P server , user and NA T settings. Each of the line b uttons is "virtually" m apped to an individual SIP accoun t. In off hook state, select an idle line and the dia l tone will be he ard.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 28 of 77 Press an available LINE key to acti vate speak er; or W hen the phone is in idle; Press SEND k ey , or the RE DIAL softkey . V ia Call Histo ry . D ial the num ber logged in phone's call history .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 29 of 77 Note: After entering the num ber , the phone w aits for the No Key E ntr y T imeout (Default tim eout is 4 seconds, configurable via Web G UI) before dialing out.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 30 of 77 Quick IP Call Mode: The GXP2120/GXP21 10/G XP2100/GX P14xx also supports Quick IP Call mode. This enables the phone to make direct IP calls using onl y the last f ew digits (la st octet) of the target phone's IP address.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 31 of 77 DO NOT DIS TURB Do Not Disturb can be enable d/disabled f rom phone's LCD. For GXP2120/G XP21 10, press the DND button on the phone when the phone is in id le.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 32 of 77 Blind T ransfer . During the firs t active call, pres s TRAN key and dial the num ber to transf er to; Press SEND k ey or # to com plete transfer of active call.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 33 of 77 GXP14xx can host 3-wa y conference call with other 2 parties (PCMU/PCMA).
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 34 of 77 Join more parties in est ablished conferenc e call . Establish conference call; Press CONF k ey and.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 35 of 77 server or pressing the V oicem ail button (V oice Mail User ID has to be properl y conf igured as the voice mail number under W eb GUI->Ac count x->Genera l Settings ).
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 36 of 77 *31 Send Caller ID (f or all subseque nt calls) Off hook the phone; Dial *31. *67 Block Caller ID (p er call) Off hook the phone; Dial *67 and then enter the number to dial out.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 37 of 77 Hang up the call. *92 Delayed Call Forw ard . T o set up delayed call for ward: Off hook the phone; Dial *92 and then enter the number to f orward the call; Press OK softke y or SEND ke y .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 38 of 77 C ONFIGURA TION GU IDE The GXP2120/GXP 2110/GX P2100/GXP14xx can be c onfigured via two ways: LCD Configuratio n Menu u sing the phone's k eypad; W eb GUI embedded on the pho ne using PC's web bro wser.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 39 of 77 Phone Book Displays phonebook . Users could a dd, edit, search and d elete contacts/groups here, or download phonebo ok XML to the phone. LDAP Directory Searches LDAP directory and conf igures LDA P options.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 40 of 77 Config Config sub m enu includes the f ollowing options: SIP Configures SIP Prox y , Outbound Prox y , SI P User ID, SI P Auth ID, SIP Password, SIP Transport and Audio inf orm ation to register SIP acco unt on the phone.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 41 of 77 Figure 3: Key p ad MENU Flow Call History St atus Phone Book LDAP Directory Instant Messages Direct IP Call Pre.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 42 of 77 Note: *LCD Brightnes s is not applicable to GXP 140x. CONFIGURA TION VIA WEB BRO WSER The GXP2120/GXP21 10/GXP2100/GX P14xx em bedded W eb server responds to HTT P/HTTPS GET/POST requests.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 43 of 77 DEFINITIONS This section describ es th e options in the phone's Web GUI.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 44 of 77 Product Model Product model of the phone. Part Num ber Product part number . Software V ersio n Boot: boot version n umber; Core: core version n umber; Base: base versio n num ber; Prog: program vers ion num ber .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 45 of 77 display. V oice M ail User ID Allows you to access voice m essages by pres sing the MESS AGE button on the phone. T his ID is usually t he VM portal access number.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 46 of 77 registration with the s pecifi ed registrar. The default value is 60 minutes.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 47 of 77 setting is "Auto". Use Privac y Header Controls whether the Privac y Header will present in the SIP INVITE m essage or not.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 48 of 77 up a call with BLF k ey. The default setting is **. PUBLISH for Presence Enables presence feat ure on the phone. The default se tting is "No". S pecial Feature Different s oft switch vend ors have special r equirem ents.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 49 of 77 Accept Incoming SI P from Prox y Only W hen set to "Y es", the SI P address of the Re quest U RL in the incom ing SI P message will be check ed. If it doesn't match the SIP server address of the account, the call will be rej ected.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 50 of 77 setting is "Adaptive ". Jitter Buffer Length Selects Low, Medium , or High based on net work conditions. T he default setting is "Medium ". Account x -> Call S ettings Early Dial Selects whether or not to enable e arly dial.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 51 of 77 ^1900x. - pre vents dialing any num ber started with 1900; <=1617>[2-9]xxx xxx - all ows dialing .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 52 of 77 Alert-Info: <http://12 7.0.0.1>; info=pr iority Selects th e di stinctive r ing tone for the matching r ule. W hen the incom ing caller ID or Alert Info m atches the rule, the phone will ring with the s elected ring.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 53 of 77 Use Random Port W hen set to " Yes", this param eter will force random generation of both the local SIP and RT P ports. T his is usu ally neces sary whe n m ultiple phones are behind the same full cone NAT.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 54 of 77 <=255), phon e will m ak e direct I P c all to aaa.bbb.ccc .XXX where aaa.bbb.ccc c omes from the local IP address REGARDLESS of subnet mask. #XX or #X are also valid so leading 0 is not re quired (but OK).
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 55 of 77 Call Waiting T one Gain Configures the call waiting tone gain to adjust c all waiting t one vo lume.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 56 of 77 Note: This options is not a pplicable to GXP140x . Backlight Brightn ess: Idle Configures the LCD back light bri ghtness level (f rom 0 to 8) f or phone's idle status.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 57 of 77 April to the 1st Sun day of Novem ber . Date Display Form at Configures the date di spla y format on the LCD.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 58 of 77 This option is not app licable to GXP14xx . Currency Code Configures currency code f or the phone to look up and display the currency inform ation. Note: This option is not app licable to GX P14xx.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 59 of 77 Select t he Account t o dial f rom. A nd enter the Speed Dial num ber in the Value field to be d ialed. Busy Lamp Field (B LF) Select the Account to monitor the BLF status.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 60 of 77 in LD AP configuration will be used if the Nam e field is left blank. Enter the LDAP N ame/Num ber filter in the Value field. Multi Purpose Ke ys X (For GXP2120/GXP2110/GX P2100 only) Assigns a functi on t o the corresponding Multi Purpos e Ke y .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 61 of 77 Intercom Select Acc ount, and enter the extens ion number in the Value f ield to do the intercom . LDAP Search This option is to narrow the LDAP searc h scope.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 62 of 77 IPv6 address type. IPv6 Prefix Enter th e I Pv6 Prefix (64 bits ) when Prefix Stat ic is used in "Staticall y configured" IPv6 address type. DNS Server 1 Enter the DNS Ser ver 1 for IPv6.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 63 of 77 This field is case sens itive with a m aximum length of 30 characters. Confirm Password Confirms the end user p assword field to be the sam e as above. Admin Password Allows users to change the adm in password.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 64 of 77 to o verride SI P Server phone. The def ault setting is "No ". Automatic Upgrade Enables autom atic upgrade and provisioning. The default setting is "No ".
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 65 of 77 Periodic Inform Interval Sets up the periodic i nform interval to send the inform pack ets to the ACS. Connection Request Usernam e The user nam e for the ACS to connect to the phone.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 66 of 77 Phonebook -> Phonebo ok M anagement Enable Phonebook XML Download Configures to enable p honebook XML download. Users could se lect HTTP/HTT PS/TFTP to download t he pho nebook f ile.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 67 of 77 (|(cn=%)(sn=%)) r et urns all records which has the "cn" or "sn" field starting with the en.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 68 of 77 cn sn description NA T SETTINGS If the devices are k ept within a private network behind a firewall, we recom mend using ST UN Server.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 69 of 77 By default the Cit y Code is set to " Automatic ", which allo ws the phone to obtain w eather inform ation based on the IP location de tected.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 70 of 77 In login page, pressin g CO NF button on the p hone will s how phone's IP address ; After using the phone, go t o LCD MENU- >LogOut to log of f the public m ode.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 71 of 77 Figure 4: We b GUI - Phone book->Cont act s Figure 5: Click- to -D ial S A VING THE CONFIGURA TIO N CHANGES .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 72 of 77 Press the "Reboot" button on the top ri ght corn er of the w eb GUI p age to reboot the p hone r emotely. T he web browser will then displa y a reboot mess age.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 73 of 77 UPGRADING AND PRO V ISIONING The G XP2120/GXP21 10/G XP2100/GX P14xx c an be u pgraded v ia TFT P/HTTP/HTT PS by config uring the URL/IP Address f or the TFTP/HTT P/HTTPS server a nd select ing a download method.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 74 of 77 restart again. Please do not interrupt or power cycle the phone when the upgrad ing process is on. Firmware upgrading takes around 60 seconds in a co ntrolled LAN or 5-10 minutes over the Internet.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 75 of 77 numbers. i.e., P2 is associated with the "Adm in Password" in th e W eb GUI->M aintenance->W eb/T elnet Access page. For a det ailed parameter list, p lease refer to th e c orresponding firm ware re lease configuration tem plate.
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 76 of 77 REST ORE F ACT OR Y DEF A UL T SETTINGS W arning : Restoring the F actory Default S ettings wi ll delete al l configuration inform ation on the phone. Please backup or print all the set tings before y ou restor e t o the factor y def ault settings .
FIRM WARE VERSION 1.0.5. 26 GXP2120/GX P21 10/GXP21 00/GXP14xx USER MANUAL Page 77 of 77 EXPERIENCING THE GXP2120/GXP2110/GXP2100 /GXP14xx Please visit our website: h ttp://www .grandstream.c om to receive the most up- to - date updates on firm ware releases, additional feat ures, F AQs, documentation and news on new products.
An important point after buying a device Grandstream GXP2110 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Grandstream GXP2110 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 Grandstream GXP2110 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Grandstream GXP2110 you will learn all the available features of the product, as well as information on its operation. The information that you get Grandstream GXP2110 will certainly help you make a decision on the purchase.
If you already are a holder of Grandstream GXP2110, 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 Grandstream GXP2110.
However, one of the most important roles played by the user manual is to help in solving problems with Grandstream GXP2110. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Grandstream GXP2110 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
