Manuel d'utilisation / d'entretien du produit 550 du fabricant Nortel Networks
Aller à la page of 96
August, 2008 Edition 1725-12500-001 Rev. D SIP 3.1 User Guide for the Polycom ® SoundPoint IP ® 550 Phone SIP 3.1.
Polycom Inc. 4750 Willow Road Pleasanton, CA 94588-2708 USA No part of this document may be reproduce d or transmitted in any form or by any means, el ectronic or mechanical, for any purpose, without the express written permission of Polycom, Inc. Under the law, reprod ucing includ es translating into another language or format.
iii About This Guide Thank you for choosing the SoundPoint IP 550 , a full-duplex, hands-free SIP desktop phone. This unit pr ovides busi ness telephony features and functions such as multiple call appe arances, call hold, transfer , and conference over an IP network.
User Guide SoundPoint IP 550 Phone iv.
v Contents About This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Changes to This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –iii 1 Getting Started with Your SoundPoint ® IP 550 Desktop Phone .
User Guide SoundPoint IP 550 Phone vi Placing Calls to Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–16 Searching for Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–17 Managing Incoming Calls .
Conte nts vii Restarting Your Phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–8 5 Troubleshooting Your SoundPoint ® IP 550 Desktop Phone . 5–1 Power and Startup . . . . . . . . . . . . . . . . . . . . .
User Guide SoundPoint IP 550 Phone viii.
1 - 1 1 Getting Star ted with Y our SoundPoint ® IP 550 Desktop Phone This chapter provides basi c installation ins tructions and informati on for obtaining the best performance with the SoundPoint IP 550 desktop phone. The SoundPoint IP 550 provides a powe rful, yet flexible IP communications solution, delivering excellent v oice quality.
User Guide SoundPoint IP 550 Phone 1 - 2 Par ts List The following components are included in your SoundPoint IP 550 package: • Polycom SoundPoint IP 550 phone • handset and handset cord • Phone.
Getting Started with Y our SoundPoint ® IP 550 Desktop Phone 1 - 3 • Network / Power Cable • Quick Start Guide and registration card Check this list be fore installat ion to en sure that you have received each item. If you are missing any items, c ontact your system administrator.
User Guide SoundPoint IP 550 Phone 1 - 4 AC Power T o connect the AC power: 1. Connect the supplied network cable between the LAN jack on the phone and the LAN port on the wall or hub/switch device port. 2. Connect the DC plug on the power adapter to the DC 24V jack marked on the phone.
Getting Started with Y our SoundPoint ® IP 550 Desktop Phone 1 - 5 T o connect the PoE: • Plug the supplied network cable betw een the LAN jack on the phone and an available power and data port on the in-line power switch. Connecting the Handset and Optional Headset T o connect the handset and optional headset: 1.
User Guide SoundPoint IP 550 Phone 1 - 6 Attaching the Base The phone base can be attached to the SoundPoint IP 550 in one of two ways: • As a desk mount • As a wall mount T o attach the base as a desk mount: 1. Place all cords in the recessed area above the modular jacks.
Getting Started with Y our SoundPoint ® IP 550 Desktop Phone 1 - 7 3. Snap them together to lock the base to the phone. T o attach the base as a wall mount: 1.
User Guide SoundPoint IP 550 Phone 1 - 8 3. With mounting tab of the bas e unit fa cing up, fasten the base unit to the wall mount using wall anchors (not included) . Registering Y our SoundPoint ® IP 550 Desktop Phone Generally, your phone will be de ployed with multiple other phones.
Getting Started with Y our SoundPoint ® IP 550 Desktop Phone 1 - 9 Features of Y our SoundPoint ® IP 550 Desktop Phone The features of your SoundPoint IP 550 phone are: Item Description 1 Message Waiting Indicator Alert for voice and text (instant) messages.
User Guide SoundPoint IP 550 Phone 1 - 10 3 Feature Keys Access import ant featu res u sin g these keys. Access to local directories and call lists. Access to special applications (contact system administrator). Allows connection with multi ple other parties for a conference.
Getting Started with Y our SoundPoint ® IP 550 Desktop Phone 1 - 11 1 1 S pea ker For ringer and h ands-free audio output. 12 Soft Keys These keys are auto matically labeled to identify their context-sensitive functions. 13 Graphic Display Shows information abo ut calls, messages, soft keys, time, date, and other relevant data.
User Guide SoundPoint IP 550 Phone 1 - 12 Icons associated with the line keys appear on the graphic display and represent: Icon Description Registered line (solid) Registered shared line Unregistered .
Getting Started with Y our SoundPoint ® IP 550 Desktop Phone 1 - 13 Before Y ou Use Y our SoundPoint ® IP 550 Desktop Phone Using the Navigation Keys To help you navigate menus an d enter data, use these tips: • To scroll through lists, use and or hold down and .
User Guide SoundPoint IP 550 Phone 1 - 14.
2 - 1 2 Customizing Y our SoundPoint ® IP 550 Desktop Phone You can customize your SoundPoint IP 550 desktop phone by adjusting the setting for time and date, display contra st, and ring type, for example. You can add contacts to the phone’s directory ma nually or from call lists.
User Guide SoundPoint IP 550 Phone 2 - 2 Configuring Basic Settings You can configure the following ba sic settings through use of : • Appearance of the time a nd date • Display contrast • Backl.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 3 4. Using and , scroll thr ough the options under each of these selections. 5. Press the Select soft key to confirm your choice. The following figure shows the Clock Time menu. 6. Press to return to the idle display.
User Guide SoundPoint IP 550 Phone 2 - 4 Changing the Backlight Intensity Backlight intensity on the SoundPoint IP 550 phone has three components: • Backlight On • Backlight Idle • Maximum Intensity You can modify the Backlight On intens ity and the Backligh t Idle intensity separately.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 5 3. Select Backlight On Int ensity . 4. Use or to select high, medium, low, or off, and then press the Select soft key. The default level is medium. 5. Select Backlight Idle Intensit y . 6. Use or to select high, medium, low, or off, and then press the Select soft key.
User Guide SoundPoint IP 550 Phone 2 - 6 10. Press to return to the idle display. Enabling the Headset Memor y Mode This feature is especially useful fo r permanent or full-time headset users. T o permanently enable the Headset Memor y Mode: 1. Press .
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 7 Selecting the Correct Headse t for Electronic Hookswitch This feature allows you to answer your phone when you are using a headset. T o select a headset that suppo r ts electronic hooksw itch: 1.
User Guide SoundPoint IP 550 Phone 2 - 8 4. Use and to select the desired ring type. To hear the selected ring type, press the Play soft key. 5. Press the Select soft key to change to the selected ring type. 6. Press to return to the idle display. Changing the Language Many languages are supported by the SoundPoint IP 550 phone.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 9 4. Press the Select soft key. Text that appears on the graphic displa y will change to the language of your choice. 5. Press to return to the idle display. Chaning the Graphic Display Background You can change the picture or design design that appears on the graphic display.
User Guide SoundPoint IP 550 Phone 2 - 10 Muting the Microphone During a call, press . The Message Waiting Ind icator turns red and a microphone on the screen indicates that the other party (or parties) cannot hear you. Microphone Mute applies to all modes: Handset, Headset, and Hands-free Speakerphone.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 11 • To store the contact in the Contact Directory, press the More soft key followed by the Save soft key. • To delete the call from the list, press the More soft key followed by the Clear soft key.
User Guide SoundPoint IP 550 Phone 2 - 12 Adding Contacts You can add contacts to your contact directory: • Manually • From a call list • From your corporate directory Adding Contacts Manually T o add a contact to the local contact director y manually: 1.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 13 7. (Optional.) Change the Speed Dial Index. It is automatically assigned to the next available inde x value. Valid speed dial index values are from 1 to 9999. If you enter a speed dial index that already, “Speed dial index already exists” appears.
User Guide SoundPoint IP 550 Phone 2 - 14 — Press , , or to access the desired call list. 2. Use and to highlight the contact. You can also use the * key to Page Up and the # key to Page Down. 3. Press the More soft key, and then the Save soft key to save the contact in the phone’s directory.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 15 4. Press the View soft key. The contact’s information appears on the graphic display. 5. Press the Save soft key to save the contact in the local contact directory. “Entry saved” appears on the graphic displ ay.
User Guide SoundPoint IP 550 Phone 2 - 16 6. Press the Save or Cancel soft keys to accept or cancel changes. 7. Press to return to the idle display. Deleting Contacts T o delete a contact from the local contact director y: 1. Press . 2. Select Contact Dire ctory .
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 17 3. Search for the contact. Refer to Searching for Contacts in the corporate directory on page 2-17 . 4. Press the View soft key. The contact’s information appears on the graphic display. 5.
User Guide SoundPoint IP 550 Phone 2 - 18 T o search for a contact in the corporate director y: 1. Press . 2. Select Corporate Directory . 3. Search for the contact in one of the following ways: — Use and to highlight the contact. You can also use the * key to Page Up and the # key to Page Down.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 19 Managing Incoming Calls You can distinguish incoming calls by se tting distinctive ring s for contacts in your contact di rectory, sending particular calls directly to y our voice mail, or transferring particular calls to another party.
User Guide SoundPoint IP 550 Phone 2 - 20 Rejecting Calls You can customize your phone so that in c oming calls from a particular party are immediately sent to your voice mail. T o send incoming calls from a contact directly to voice mail: 1. Press . 2.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 21 3. Use and to highlight the contact. You can also use the * key to pag e up and the # k ey to page dow n. 4. Press the Edit soft key, and then scroll down to the Divert Contact field. 5. Enter the number of the party t o w hom you want to divert the call.
User Guide SoundPoint IP 550 Phone 2 - 22 • One line, 3163 • Two lines, 3161 and 3163 Suppor ting Multiple Line Keys Per Line Each line on the phone can be configured to have mor e than one Line Key associated with it. This enhances ca ll visualizat ion and simplifies call handling.
Customizing Y our SoundPoint ® IP 550 Desktop Phone 2 - 23 Suppor ting Shared Lines Your SoundPoint IP 550 supports shared lines. A shared line is ind icated by a different line icon. In the following f igure, the lines 3161 and 3163 are private and the line 3166 is shared.
User Guide SoundPoint IP 550 Phone 2 - 24.
3 - 1 3 Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone Your SoundPoint IP 550 desktop phone is designed to be used like a regular phone on a public switched telephone network (PSTN). You call place calls, transfer a call to someone else, or conduct a conference call.
User Guide SoundPoint IP 550 Phone 3 - 2 To customize your phone, refer to Customizing Your SoundPoint ® IP 550 Desktop Phone on page 2-1 . To read about the phone’s advanced features, refer to Using the Advanced Features of Your SoundPoint ® IP 550 Desktop Phone on page 4-1 .
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 3 T o place a call using the handset: >> Do the f ollowing steps in an y order: — Pick up the handset.
User Guide SoundPoint IP 550 Phone 3 - 4 T o place a call using the headset: >> Do one of the following: — With the optional headset connected, press or the NewCall soft key to obtain dial tone. Press . Dial the desired number using the dial pad.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 5 • Multiple Line Keys per line If your phone is configured with mu ltiple call appearances, refer to Using Multiple Call Appearances on page 4-1 for instructions on how to answer a call.
User Guide SoundPoint IP 550 Phone 3 - 6 T o answer a call using the headset: >> Press . If Headset Memory Mode is acti vated, press or the Answer soft key.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 7 T o answer an incoming call on a line configured for multiple Line Keys: >> Do one of the following: — Press next the flashing green indicator. The first call is placed on hold and the second call become the active call.
User Guide SoundPoint IP 550 Phone 3 - 8 Redialing Numbers T o redial the last call placed from your phone: >> Press . A call to your last placed call is attempted. To redial a previously placed call, refer to Managing Call Lists on page 2-10 . Placing Calls on Hold Dur ing a c all , pr es s o r th e Hold soft key.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 9 Multiple Calls on Hold If multiple calls are on hold on a sing l e L i n e K e y , u s e a n d t o s w i t c h between the calls, and then press the Resume soft key to retrieve the desired call.
User Guide SoundPoint IP 550 Phone 3 - 10 • Splitting Conference Calls • Ending Conference Calls Setting Up Conference Calls T o set up a conference call: 1. Call the first party. 2. Press or the Confrnc soft key to create a new call. The active call is placed on hold.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 11 4. When the second party answers, press or the Confrnc soft key again to join all parties in the conference. 5. Press or the Confrnc soft key to add another party to the conference.
User Guide SoundPoint IP 550 Phone 3 - 12 8. Repeat steps 5 to 7 until you have added all intended parties. Managing Conference Calls T o manage a conference call: You are currently in a conference call. 1. Press the Manage soft key. The Manage Conference page appears.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 13 2. Do one of the following: — To add a new party, press the Add soft ke y. Call another party as yo u would using or the Confrnc soft key (outside the conference management feature).
User Guide SoundPoint IP 550 Phone 3 - 14 — To place a party on hold, select the party, and then press the Hold soft key. The held party cannot hear any parties and no party can hear the held party. Press the Resume soft key to return the party to the conference.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 15 T o add a par ty to a conference call using the Join soft key: 1. From the Manage Conference page, press or the Hold soft key. The other parties in the conference call are placed on hold.
User Guide SoundPoint IP 550 Phone 3 - 16 Joining Conferences T o join two conferences: Previously you set up two separate c onference calls between a number of parties. Only one confer ence can be active at a time. 1. From the idle display, press the Join soft key.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 17 • Consultative transfer —The party to w hom you want to transfer the call answers their phone before you transfer the call or hang up. You can consult with them before compl eting the transfer.
User Guide SoundPoint IP 550 Phone 3 - 18 3. As soon as you hear the ring-back sound or after the party answers (and you speak to the party), press or the Trnsfer sof t key. You can talk privately to the party to whic h you are transferring the c all before the transfer is completed.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 19 For warding Calls You can configure your phone so that all incoming calls are forwarded to another party (refer to Static Forwarding ). You can also forward calls while your phone rings (refer to Dynamic Forwarding ).
User Guide SoundPoint IP 550 Phone 3 - 20 a If you selected Always , enter a number to forward all future incoming calls to. b If you selected No Answer , enter a number to forward all unanswered incoming calls to and how many ring s to wait before forwarding (one ring is approximately six seconds).
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 21 T o disable call for warding: 1. From the idle display, press the Forward soft key. 2. .(Optional.) If multiple lines are conf igured on your phone, select the line to forward from the list using and .
User Guide SoundPoint IP 550 Phone 3 - 22 T o enable Do Not Disturb: >> Press . A flashing icon and text on the grap hic dis play indicate that Do Not Disturb is enabled. Calls received whi le Do Not Distur b is enabled are logged in the Missed Calls list unless configured to be forwarded to another party by your system administrator.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 23 In the figure below, the phone has one li ne key, and three available speed dial keys (assigned to Byron, Lauren, and Andrew) . To dial By ron, Lauren, or Andrew, press the associated line key.
User Guide SoundPoint IP 550 Phone 3 - 24 6. Press the Save or Cancel soft keys to accept or cancel changes. 7. Press to return to the idle display. T o assign a new speed dial key: 1. Press and hold an unassigned . A new empty entry in the contact di rectory is automa tically opened allowing contact information to be added.
Using the Basic Features of Y our SoundPoint ® IP 550 Desktop Phone 3 - 25 Using V oice Mail You can access voice mail messages from your phone. Your voice mail is saved in a centralized location.
User Guide SoundPoint IP 550 Phone 3 - 26.
4 - 1 4 Using the Advanced Features of Y our SoundPoint ® IP 550 Desktop Phone This chapter provides operating instruct ions for the advanced features of the SoundPoint IP 550 desktop phone.
User Guide SoundPoint IP 550 Phone 4 - 2 For example, the followi ng figure shows an active call with Greg Slowski on line 6721. The following figure shows an incoming call from 1-800-7 65-9266 on the same line.
Using the Advanced Features of Y our SoundPoint ® IP 550 Desktop Phone 4 - 3 Your phone can display two call appearances at one time. If more than two calls are taking place on the same line , a counter displays on the display. Use the down arrow to access additional calls, or “appearances”.
User Guide SoundPoint IP 550 Phone 4 - 4 T o send a text message: 1. Do one of the following: — Press . Select Instant Messages . — Press . Select Features > Messages > Instant Messages . 2. (Optional) If multiple lines are config ured on your phone, first select from which line to send the message fr om the list using and .
Using the Advanced Features of Y our SoundPoint ® IP 550 Desktop Phone 4 - 5 Using Buddy Lists A buddy list is a list of users/device s whose status or “presence” you can monitor.
User Guide SoundPoint IP 550 Phone 4 - 6 Managing Buddies T o add or delete a contact from your buddy list: 1. Press . 2. Select Contact Dire ctory . 3. Use and to highlight the contact. You can also use the * key to pag e up and the # k ey to page dow n.
Using the Advanced Features of Y our SoundPoint ® IP 550 Desktop Phone 4 - 7 8. Press to return to the idle display. Integrating With Microsoft Live Communications Ser ver 2005 Your phone can be configured to work with Microsoft Live Communications Server 2005 and communicate with others using Microsoft Office Communicator and Windows Messenger.
User Guide SoundPoint IP 550 Phone 4 - 8 6. For Access , use and to select Enabled. When Access is enabled, you are allowing the contact to see your presence. When Access is disabled,you are disallowin g the contact from seeing your presence. The default for a ccess is Disabled.
5 - 1 5 T roubleshooting Y our SoundPoint ® IP 550 Desktop Phone This chapter contains general troubles hooting information to help you solve any problems you might encounter when you use y our SoundPoint IP 550 phone.
User Guide SoundPoint IP 550 Phone 5 - 2 Power and Star tup Symptom Problem Corrective Action There are power issues. The SoundPoint IP 550 phone has no power . Do one of the following: • V erify that no lights appear on the phone when it is powered up.
T roubleshooting Y our SoundPoint ® IP 550 Desktop Phone 5 - 3 Controls Symptom Problem Corrective Action The dial pad does not work. The dial pad on the SoundPoint IP 550 phone does not respo nd. Do one of the following: • Check for a response from other feature keys or from the dial pad.
User Guide SoundPoint IP 550 Phone 5 - 4 Access to Screens and Systems Symptom Problem Corrective Action There is no response when you press a feature key . The SoundPoint IP 550 phone is not in an active state. Do one of the following: • Press the keys more slowly .
T roubleshooting Y our SoundPoint ® IP 550 Desktop Phone 5 - 5 Calling Symptom Problem Corrective Action There is no dial tone. Power is not correctly applied to the SoundPoint IP 550 phone. Do one of the following: • Check that the screen is illuminated.
User Guide SoundPoint IP 550 Phone 5 - 6 The phone does not ring. Ring setting or volume is low . Do one of the following: • Adjust the ringing level from th e front panel using the volume up/d own keys . • Check status of Handset, Headset (if connected), and Hands-Free S pea kerphone.
T roubleshooting Y our SoundPoint ® IP 550 Desktop Phone 5 - 7 Displays Symptom Problem Corrective Action There is no display . The display is incorrect. The display has bad contrast. Power is not correctly applied to the SoundPoint IP 550 phone. Do one of the following: • Check that the screen is illuminated.
User Guide SoundPoint IP 550 Phone 5 - 8 Audio T esting Phone Hardware Your system administrator may as k you to access a diagnostics menu on your phone to test your phone hardware. Fr om the diagnostics menu, you can test your phone’s microphones, speaker, hand set, thir d-party headset (if present), keypad mappings, and LCD display.
Regulator y Notices - 1 Regulator y Notices Service Agreements Please contact your Polycom Authorized Resell er fo r in formation about service agreements appl icable to your product. Governing Law This Limited Warranty and Limitation of Liability shall be govern ed by the laws of the Sta t e of California, U.
User Guide SoundPoint IP 550 Phone Regulator y Notices - 2 Polycom Limited W arranty and Limitation Liability LIMITED W ARRANTY . Polycom warrants to the end user (“Custo mer”) that this product i.
Regulator y Notices Regulator y Notices - 3 Safety and Compliance Part 15 FCC Rules This device is compliant with Part 15 of the FCC Rule s. Operatio n is subject to the follo wing two conditions: 1. This device may not cause h armful interference, and 2.
User Guide SoundPoint IP 550 Phone Regulator y Notices - 4 Safety and Compli ance (continued) CE and VCCI Mark This SoundPoint IP 550 SIP is marked with the CE ma rk. This mark indicates compliance with EC Directives 2006/95/EC and 2004/1 08/EC. A full copy of the Declaration of Conformity can be obtained from Polycom Ltd.
Index – 1 Index Symbols # key, page down shortcut 1–13 * key, page up shortcut 1–13 A AC power 1–4 answering calls 3–4 , 3–5 assembling your phone 1–3 assigning speed dial keys 3–22 B .
User Guide SoundPoint IP 550 Phone Index – 2 I instant messaging 4–3 L language support 2–8 left arrow key, Receive d Calls shortcut 2–1 1 M managing buddies 4–6 Microsoft Office Li ve Commu.
Index Index – 3 T text messaging 4–3 time and date 2–2 transferring calls 3–16 troubleshooting audio problems 5–8 calling problems 5–5 controls problems 5–3 diagnostics 5–8 display pro.
User Guide SoundPoint IP 550 Phone Index – 4.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Nortel Networks 550 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Nortel Networks 550 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Nortel Networks 550, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Nortel Networks 550 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Nortel Networks 550, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Nortel Networks 550.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Nortel Networks 550. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Nortel Networks 550 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
