Instruction/ maintenance manual of the product 5370ip Aastra
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A150 A300 2025 2045 2065 Aastra Communications Systems Aastra 5370 / Aastra 5370ip User's Guide.
Operating and Display Elements eud-0830/2.1 — I7.7 — 10.2008 2 Opera ting and D ispla y Elem ents ■ Operating elements 1D i s p l a y • In the up per area: status display wi th symbols. • In the middle area: current displays on the telephone traffic.
Operating and Display Elements eud-0830/2.1 — I7.7 — 10.2008 3 8A b s e n c e k e y w i t h L E D Preconfigured as call forwarding. The Absence key can be configured as a function key or digit key. 9 Phone book key Opens phone books. 10 Redialkey Selects the phone numbers last dialled.
Operating and Display Elements eud-0830/2.1 — I7.7 — 10.2008 4 ■ Display symbols ■ Display symbols Aastra M535 Detailed information available Oth er F ox key s av ail abl e (F oxkey) Search mo.
Security eud-0830/2.1 — I7.7 — 10.2008 5 Security ■ Safe t y In for mat io n F ailure to obser ve this information can be hazardous and infringe existing laws. Connections Always plug the ph one cabl e connec tors into the appropriate sockets . Do not modify the connections in any way .
Security eud-0830/2.1 — I7.7 — 10.2008 6 ■ User in form ation Y our terminal has been supplied with a Quick U ser’ s Guide, safety information and, where appli- cable, with other terminal-specific information. Y ou will find this and other documen ts for your device at http://www.
Security eud-0830/2.1 — I7.7 — 10.2008 7 ■ Sy stem and software -related functions Some systems or system versions do not suppor t all the features.
Contents eud-0830/2.1 — I7.7 — 10.2008 8 Dialling and Phoning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Answering Calls . . . . . . . . . . . . . . . . . . . . . .
eud-0830/2.1 — I7.7 — 10.2008 9 Dialling and Phoning The following sections explain how to mak e phone ca lls simply and the functions your phone offers you whenever you re ceive a c all. Answering Ca lls . . . . . . . . . . . . . . . . . . . . . .
Dialling and Phoning 10 eud-0830/2.1 — I7.7 — 10.2008 Answering C alls This section explains the procedure for answering a c all. ■ Answering a C all Y our phone is r inging and the indicator LED is flashing. T o answer the call, proceed as follo ws.
Dialling and Phoning 11 eud-0830/2.1 — I7.7 — 10.2008 Making cal ls This section explains the different ways y ou can make a call with your phone. ■ Dialling with the Phone Number Y ou want to call someone and key in that person's phone number .
Dialling and Phoning 12 eud-0830/2.1 — I7.7 — 10.2008 ■ Using Y our Phone in Open Listening Mode Y ou want other people in the room to be able to listen in to the call. The open listening func tion lets you activate the lo udspeaker in additio n to the handset.
D ia llin g a n d P h o n in g 13 eud-0830/2.1 — I7.7 — 10.2008 ■ Muting the Microphone In the middle of a call you want to talk briefly wi th oth er persons in the room wit hout you r call part ner hearing your conv ersation. Y ou can switch the microphone on and off during a call.
eud-0830/2.1 — I7.7 — 10.2008 14 Using the Displa y and O perating Elements The following sections explain how to op er ate your phone quickly and simply . Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using the Display and Operating Elements 15 eud-0830/2.1 — I7.7 — 10.2008 Display ■ Display symbols and displa y text New events such as a call in your absence, a new message or activated functions (e.g. F or ward- ing) are signalled on the di splay in the idle state by a symbol or a display text.
Using the Display and Operating Elements 16 eud-0830/2.1 — I7.7 — 10.2008 Keys ■ Pressing a Key A key may have v arious func tions depending on the situation and the operating mode. The functio n activated depend s on the number of time s the key is pressed or whether it is pressed quickly or held down for a moment.
Using the Display and Operating Elements 17 eud-0830/2.1 — I7.7 — 10.2008 Inpu t ■ Enters digits The digit keys are used to enter the digits 0 to 9. ■ Enter the letters Y ou can also use the digit keys to enter letters and special charac ters.
Using the Display and Operating Elements 18 eud-0830/2.1 — I7.7 — 10.2008 ■ Swit ching between Upper and Low er Case Y ou want to switch bet ween upper and lower case while making an input in text mode. Upper- case input is automatically ac tivated when the first letter is entered.
Using the Display and Operating Elements 19 eud-0830/2.1 — I7.7 — 10.2008 Menu- Guided Navigation ■ Ac cessing the menu The phone is in standby mode: ■ Navigating with the navigation ke y Y ou can retrieve a part icular menu entr y even mo re simply and efficiently using the navig ation key .
Using the Display and Operating Elements 20 eud-0830/2.1 — I7.7 — 10.2008 ■ Other navigation possi bilities ■ Resetting activated features Y ou can deac tivate again all the activated functions (e.g. F or warding, Barring). Signals ■ Indicator LED Signals Depending on the situation the indicator LEDs either flash or remain steadily lit.
eud-0830/2.1 — I7.7 — 10.2008 21 Supplementar y f eatur es The following sections explain the sup plementary feat ures provided by your phone for more efficient use. Making and answ ering calls . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supplementary features 22 eud-0830/2.1 — I7.7 — 10.2008 Mak ing and answering calls This section explains some convenient featur es provided by y our phone for making a call . ■ Dialling by Na me - Q uickdial Y ou want to make a call by entering a name.
Supplementary features 23 eud-0830/2.1 — I7.7 — 10.2008 ■ Dialling from the phone book Y ou want to search direc tly in one of the connected ph one books. The surname and first name have to be separat ed by a space, f or example "no s" for Noble Stephen.
Supplementary features 24 eud-0830/2.1 — I7.7 — 10.2008 ■ Dialling from external phone books If you select Adva nce d s ea rc h , you can search directly in the connected ex ternal phone books. This function is not available if no ex ternal phone book is connec ted.
Supplementary features 25 eud-0830/2.1 — I7.7 — 10.2008 ■ Dialling from the Call List of Unansw ered Calls Y ou want to call someone who has previously tried to reach you. Y our pho ne automatically stores the phone number of this user in a calllist and the display rea ds Missed calls .
Supplementary features 26 eud-0830/2.1 — I7.7 — 10.2008 ■ Dialling with Redial Y ou want to call a person you have already called. In the last-number redial list your phone auto matically stores the phone numbers of the per- sons you have already called, complete with their name s, where available.
Supplementary features 27 eud-0830/2.1 — I7.7 — 10.2008 ■ Requesting a Callback Y ou want to tal k to a certain person. The person is busy or does not answer . Y ou can make call- back requests to both internal and ex ternal users. Not all providers supp ort this funct ion.
Supplementary features 28 eud-0830/2.1 — I7.7 — 10.2008 ■ Call W aiting on an internal user Y ou want to talk to an internal user . However , the person is busy. As a result of your call waiting, the person hears a call waiting t one and your phone number or name appears on his display .
Supplementary features 29 eud-0830/2.1 — I7.7 — 10.2008 ■ Star ting an An nouncem ent Y ou want to add ress internal users directly via their loudspeaker – where available – , without waiting for a reply (similar principle to that of an intercom system).
Supplementary features 30 eud-0830/2.1 — I7.7 — 10.2008 ■ Receiving an A nnouncement After an attention tone you will be addressed via your loudspeaker . Y ou can listen to the announcement or stop it . ■ Privat e call with PIN Y ou want to make a private call on your phone or on a third-par ty phone.
Supplementary features 31 eud-0830/2.1 — I7.7 — 10.2008 Using functions while in a call This section explains the differ ent options provided b y your phone while you are in a call . ■ Enquiry Call During a Call Y ou want to c all someone else briefly without losing your current call par tner .
Supplementary features 32 eud-0830/2.1 — I7.7 — 10.2008 ■ Making a Confer ence Call Y ou are in a call and have a call par ty on hol d at the same time. Y ou want to include the party on hold in the conversation and hold a conf erence call. With the conf erence function you can include a ca ll par ty on hold in the current conversation.
Supplementary features 33 eud-0830/2.1 — I7.7 — 10.2008 ■ Parking a C all Partner Y ou want to put your call par tner on hold without us ing a phone channel as a result.
Supplementary features 34 eud-0830/2.1 — I7.7 — 10.2008 Organising absences fr om the desk This section explains the different options provided by your phone when you want to leave your desk. ■ Organising absenc es using the Absence K ey Y ou want to leave your desk and set up your phone f or your absence .
Supplementary features 35 eud-0830/2.1 — I7.7 — 10.2008 ■ F orwarding a Call on No Reply ( CFNR) Y o u want calls that you receive on your phone to be for warded to another destinat ion. Both your own phone and the other destinat ion wi ll then star t ringing.
Supplementary features 36 eud-0830/2.1 — I7.7 — 10.2008 ■ F orward to V oice Mail Y ou cannot momentarily be reached on your phone . If yo u for w ard t o you r Voice M ai l, a u ser can leave y ou a voice message . Y ou can use the global greeting or y our own greeting (see Chapter "Configuring V oice M ail" , page 66 ).
Supplementary features 37 eud-0830/2.1 — I7.7 — 10.2008 ■ Locking Y our Phone Y ou ne ed to le ave you r de sk and w ant to en sure that no - on e ca n al ter yo ur p hon e' s set ti ngs, look at your private data, or make outside calls from your phone.
Supplementary features 38 eud-0830/2.1 — I7.7 — 10.2008 ■ Unlocking Y our Phone Y ou want to unlock your phone. Y ou can use the PIN to unlock y our phone. If y ou hav e forgot ten your PIN, your system adminis- trator can reset it to the factory setting.
Supplementary features 39 eud-0830/2.1 — I7.7 — 10.2008 F unctions for special situations This section explains the different options provided by your phone to deal with special situat ions. ■ Deflect a call during the ringing phase Y ou do not want to answer a call yourself bu t deflect it to another user .
Supplementary features 40 eud-0830/2.1 — I7.7 — 10.2008 ■ Send text messages Y ou want to send a written message to an internal user . Y ou can send a text message to an internal user . The tex t message will appear on the person's display .
Supplementary features 41 eud-0830/2.1 — I7.7 — 10.2008 ■ Read T ext Messages Y our d isplay shows New message and the en velope symbol. The right-hand indica tor LED is lit. ■ Picking Up a Call Y ou hea r a phone ringing in your vicinity and want to pick up the call.
Supplementary features 42 eud-0830/2.1 — I7.7 — 10.2008 ■ Using the D TMF Mode. Activating/deactivating D TMF Y ou want to be able to use your phone to control other equipment or to access certain ser vices, such as remote polling of an answering machine or telebanking.
Supplementary features 43 eud-0830/2.1 — I7.7 — 10.2008 ■ Making a call on a third-party phone Y ou want to ma ke a call on a third-par ty phone using your personal settings, for example on a colleague ’ s phone or in a meeting room.
Supplementary features 44 eud-0830/2.1 — I7.7 — 10.2008 ■ Paging an In ternal Us er Y ou are unable to reach an internal user and thus want to page them. If the system is equipp ed with a paging system (PS), the person can be paged. The paged per- son can answer from any phone .
Supplementary features 45 eud-0830/2.1 — I7.7 — 10.2008 ■ Answering a General Bell Via the general bell, y ou hear either your personal ringing pattern or the general ringing signal. Calls with the general bell as the destination can be signall ed visually or acoustically via an external piece of supplementar y equipment.
Supplementary features 46 eud-0830/2.1 — I7.7 — 10.2008 ■ Suppressing your call number from y our called par ty's terminal display Y ou do no t want your call number to appear on the terminal display of a called par t y in the pub- lic network.
Supplementary features 47 eud-0830/2.1 — I7.7 — 10.2008 Y ou ca n acti vate a call routing for all terminals. If you have not configured a call routin g, the fac- tory settin g (all terminals are ringing) is used as standard. This function must be stored und er a F oxkey or a function key (see Chapter "Configuring Keys" , page 67 ).
Supplementary features 48 eud-0830/2.1 — I7.7 — 10.2008 Setting func tions by remot e control This section explains how you c an alter your phone’ s settings even if you are not directly at your phone. Y ou are not at you r desk and want to set v ari ous functions on your phone from a differ ent phone.
Supplementary features 49 eud-0830/2.1 — I7.7 — 10.2008 Organisation W ithin the T eam This section explains the differen t options provided by your phone to communic ate in a team.
Supplementary features 50 eud-0830/2.1 — I7.7 — 10.2008 ■ Substituting for a T eam P ar tner Y our team par tner is called. The T eam key flashes. Y ou k now that your team par tner is not at his desk at present and therefor e decide to answer the call.
Supplementary features 51 eud-0830/2.1 — I7.7 — 10.2008 Line Keys This section explains the different options provided by your phone , if your system administrator has assigned you one or more c onfigurable k eys as Line keys. Line k eys turn your phone into a k ey phone.
Supplementary features 52 eud-0830/2.1 — I7.7 — 10.2008 ■ Making Calls using the line key Y ou want to make a call via a Li ne key . Y ou can make a call via any free Line key . Each Line key has its own phone number; in other words when you make a phone call y ou transfer the phone number belonging to the active Line key .
eud-0830/2.1 — I7.7 — 10.2008 53 P ersonalizing Y our Phone These sections explain how to adapt the phone ’ s basi c settings to suit your pers onal requirements . Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Personalizing Your Phone 54 eud-0830/2.1 — I7.7 — 10.2008 Display This section explains how to set display prop erties. ■ Setting the display Y ou may find the display is too bright or too dark . Yo u c a n a d j u s t t h e display contr ast . ■ Setting the Aastra M535 display Yo u c a n a d j u s t t h e M353 displa y contrast .
Personalizing Your Phone 55 eud-0830/2.1 — I7.7 — 10.2008 Setting the Ringing Properties (Audio) This section explains how to set your phone's ringing tone pr operties. ■ Setting the ringing v olume during ringing Y o u want to adjust the ringing volume.
Personalizing Your Phone 56 eud-0830/2.1 — I7.7 — 10.2008 ■ Setting the Ringing Properties Y ou want to change the way in which your phone rings. Y ou can set the ringing volume , the ringing melody and the speed . Note: Please note that the ringing volume may be reduced if Aastr a 5370 is not connected to the power supply .
Personalizing Your Phone 57 eud-0830/2.1 — I7.7 — 10.2008 Hands-free and headset settings This section explains other ways in which you can mak e calls with your phone . ■ Aut omatic Hands-Fr ee Mode Y ou want to answer a call witho ut picking up the handset or pressing a key.
Personalizing Your Phone 58 eud-0830/2.1 — I7.7 — 10.2008 ■ T o activate headset operation Y ou have connected a headset and now want to activate the headset mode. A headset can be connected in parallel with the handset. Y ou can switch the headset mode on and off.
Personalizing Your Phone 59 eud-0830/2.1 — I7.7 — 10.2008 General settings This section explains other settings you can mak e on your phone. ■ Selecting the language The display text is not in the language you want. Y ou can select a different language.
Personalizing Your Phone 60 eud-0830/2.1 — I7.7 — 10.2008 ■ Changing the PIN Y ou want to change the PIN used to lock/unlock your phone (see Chapter "Locking Y our Phone" , page 37 and "Unlocking Y our Phone" , page 38 ).
Personalizing Your Phone 61 eud-0830/2.1 — I7.7 — 10.2008 ■ Entering the Display T ext for the Idle State Y ou want to change the tex t displayed by your phone in the idle state. In addition to th e date and time you can enter a personal text for the text displayed in the idle state.
Personalizing Your Phone 62 eud-0830/2.1 — I7.7 — 10.2008 ■ Identifying the communication sy stem This terminal can be connected to diff erent Aa stra communication systems. Y ou can verify to which system your terminal is connected to. ■ Local IP settings (Aastra 5370ip) The IP-relevant data f o r your phone is stored in this menu.
Personalizing Your Phone 63 eud-0830/2.1 — I7.7 — 10.2008 P rotection This section explains how you c an protect yourself against certain types of call . ■ Do not disturb/Call waiting/Intrusion/A nnouncement/F orward Y ou want to protect yourself against cer tain types of calls.
Personalizing Your Phone 64 eud-0830/2.1 — I7.7 — 10.2008 Phone Book Management This section explains ho w to create a new entry in th e phone book and how to edit or delete an entry . ■ Crea ting a New Phone Book Entry Y ou want to store your own phone numbers.
Personalizing Your Phone 65 eud-0830/2.1 — I7.7 — 10.2008 ■ Editing or deleting a phone book entry Y ou want to mo dify a phone number stored on your private phone book. ■ Storing the phone number in the phone book from the call list Y ou want to store a phone number from one of the call lists in your private phone book.
Personalizing Your Phone 66 eud-0830/2.1 — I7.7 — 10.2008 Configuring V oice Mail This section explains how to set your V oice Mail . ■ P ersonal greeting Y ou have the possibility of recording up to three diff erent greetings .
Personalizing Your Phone 67 eud-0830/2.1 — I7.7 — 10.2008 Configuring Keys This section explains how to assign phone numbers and functions to a F oxkey or configur able key .
Personalizing Your Phone 68 eud-0830/2.1 — I7.7 — 10.2008 ■ Store a phone number under a key – number key Y ou want to retrieve a frequently used phone number with a single keystr oke rather than enter it digit by digit.
Personalizing Your Phone 69 eud-0830/2.1 — I7.7 — 10.2008 ■ Store a function under a k ey– function key Y ou want to retrieve a frequently used function - f or example "call forwarding on no reply" - using a single keystroke ra ther than having to enter it b y hand.
Personalizing Your Phone 70 eud-0830/2.1 — I7.7 — 10.2008 ■ Storing a T eam P artner under a Key– team k ey T ogether with other members you wish to organise yourself into a team so that on the one hand you can always be r eached as a team and, on the other , to ensure mutual substitution.
Personalizing Your Phone 71 eud-0830/2.1 — I7.7 — 10.2008 ■ Clearing a Ke y Y ou want to clear the assignment mad e to a configurable key . The No function function is provided spec ifically f or this purpose. Configuring Line Keys This section explains how to adapt your Line ke y settings to suit your p ersonal requirements.
Personalizing Your Phone 72 eud-0830/2.1 — I7.7 — 10.2008 <long> Press the Line key you want and hold it down for a moment. ➯ The display shows the line key and the properties with which you can con- figure the line key . Note: The Personal key is also treated as a line key .
Personalizing Your Phone 73 eud-0830/2.1 — I7.7 — 10.2008 Fo r m u l a t i n g Fu n c t i o n s This section explains how to activate an individual func tion, for example call forwarding uncondi- tional, with the aid of function commands and how to assi gn it to a key .
eud-0830/2.1 — I7.7 — 10.2008 74 Fu r t h e r i n f o r m a t i o n The following sections contain more useful in formation about your phone. T roubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Further information 75 eud-0830/2.1 — I7.7 — 10.2008 T roubleshooting This section contains a few tips on how to oper ate your phone if you encounter any problems.
Further information 76 eud-0830/2.1 — I7.7 — 10.2008 Declaration Open Source Sof tware (Aastra 5370ip). ■ About Open Source Sof tware This product contains Open Source Sof tware from thir d-par ty suppliers subjec t to the GNU licence pro visions GPL (GNU General P u blic License) and L GPL (GNU Libr ary/Lesser General Publ ic L ice nse ).
eud-0830/2.1 — I7.7 — 10.2008 77 I nstallation and F irst- T ime Op er a ti o n These sections explain the setup options available with your phone . Equipment pr ovided . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation and Fi rst-Time Operation 78 eud-0830/2.1 — I7.7 — 10.2008 Equipment provided T elephone and handset Handset connection cable T elephone connection cable Aastra 5370 Stand rest; can a.
Installation and Fi rst-Time Operation 79 eud-0830/2.1 — I7.7 — 10.2008 Opt io ns Plug-in power adapter (if the power supply is not supplied via the LAN, only Aastra 5370 ip). Aastra M530 expansion key module with write- on labels (incl. stand rest and connection cable) Aastra M535 expansion key module with display (incl.
Installation and Fi rst-Time Operation 80 eud-0830/2.1 — I7.7 — 10.2008 Setting up and mounting the phone With the aid of the supplied stand rest y ou can set up the phone as a desktop phone or mount it to the wall . ■ Setting the phone up as a desktop phone Y ou can set up the phone either at a 40° or a 25° angle.
Installation and Fi rst-Time Operation 81 eud-0830/2.1 — I7.7 — 10.2008 ■ W all mounting Y ou can also mount the phone on the wall. T o do so, screw the stand rest onto the wall as a bracket and hook the phone onto the stand rest. • F it the screws f or securing the stand r est and mount the stand r est (Figure A ).
Installation and Fi rst-Time Operation 82 eud-0830/2.1 — I7.7 — 10.2008 ■ Dism antl ing Desktop phone: • Disconnect the phone cord and remov e. • Carefully pull the stand rest away in t he op posi te direc tio n. Wa l l s e t : • Carefully slide the phone upwar ds out of the stand rest.
Installation and Fi rst-Time Operation 83 eud-0830/2.1 — I7.7 — 10.2008 Connecting Aastra 5370ip ■ Con ne c t i o ns ■ Co nnecting your phone t o the LAN This phone communicates via the same connection as your PC (IP network / LAN). This means you do not need a special phone connection.
Installation and Fi rst-Time Operation 84 eud-0830/2.1 — I7.7 — 10.2008 ■ Co nnecting your PC to the LAN If required, you can connect your PC or another LAN device to the phone, f or example a printer . • Connecting the LAN cor d (not included in the sc ope of delivery) to the PC’ s network socket.
Installation and Fi rst-Time Operation 85 eud-0830/2.1 — I7.7 — 10.2008 Expansion key module Aastra M530 ⁄ M535 (optional) Y ou can connect 1 Aas tra M530 expansion key module with 20 configurable k eys or 1 Aa s t r a M5 3 5 e x p a n s i o n ke y m o d u l e w i t h 3 x 1 5 co n f i g u r a b le k e y s t o yo u r p h o n e.
Installation and Fi rst-Time Operation 86 eud-0830/2.1 — I7.7 — 10.2008 Labelling the Aastra M530 expansion key module Write- on labels for the configurable k e ys can be found on the internet at http://www .aastra.co m/ docfinder as an electronic document.
Index eud-0830/2.1 — I7.7 — 10.2008 87 %, *,+... */# Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 A Absence key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 , 34 Accessing the menu . . . . . . . .
Index eud-0830/2.1 — I7.7 — 10.2008 88 Function Commands . . . . . . . . . . . . . . . . . . . . . . . . . 73 Function key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Function MCID (Malicious C all Identification) . . 46 G GNU licence provisions .
Index eud-0830/2.1 — I7.7 — 10.2008 89 Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Software dependency . . . . . . . . . . . . . . . . . . . . . . . . . 76 Starting an Announcement . . . . . . . . . .
eud-0830/2.1 — I7. 7 — 10.2008 Declaration of C onformity Aastra T echnologies Limited he reby declar es that the equipment Asc otel® und Asco tel® Intel liG ate® and th e acces- sories there to comply with the basic requirements and other relevant stipula- tions of Directive 19 99/5/EC.
An important point after buying a device Aastra 5370ip (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Aastra 5370ip 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 Aastra 5370ip - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Aastra 5370ip you will learn all the available features of the product, as well as information on its operation. The information that you get Aastra 5370ip will certainly help you make a decision on the purchase.
If you already are a holder of Aastra 5370ip, 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 Aastra 5370ip.
However, one of the most important roles played by the user manual is to help in solving problems with Aastra 5370ip. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Aastra 5370ip 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
