Nortel Networks 550 manual Displays, Contrast on

Page 87

Troubleshooting Your SoundPoint® IP 550 Desktop Phone

Displays

Symptom

Problem

Corrective Action

 

 

 

There is no display.

Power is not correctly applied to

Do one of the following:

The display is incorrect.

the SoundPoint IP 550 phone.

• Check that the screen is illuminated.

 

The display has bad contrast.

 

• Make sure the LAN cable is inserted

 

 

properly at the back of the phone (try

 

 

unplugging and re-inserting the

 

 

cable).

 

 

• If using Power over Ethernet (PoE),

 

 

have your system administrator check

 

 

that the switch is supplying power to

 

 

the phone.

 

 

 

 

The contrast needs adjustment.

Do one of the following:

 

 

• Refer to Changing the Display

 

 

Contrast on page 2-3.

 

 

• To obtain a default level of contrast,

 

 

restart the phone. (Refer to * on page

 

 

*).

 

 

 

 

Outbound or inbound calling is

Do one of the following:

 

unsuccessful.

• Place a call to the phone under

 

 

investigation. Check that the screen

 

 

indicates incoming call information.

 

 

• Lift the handset. Ensure the dial tone

 

 

is present and place a call to another

 

 

extension or number. Check that the

 

 

screen changes in response.

 

 

 

The display flickers.

A certain type of older

Do one of the following:

 

fluorescent lighting causes the

• Move the SoundPoint IP 550 SIP

 

display to appear to flicker.

 

phone away from the lights.

 

 

 

 

• Replace the lights.

 

 

 

5 - 7

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Contents User Guide for the Polycom SoundPoint IP 550 Phone Copyright Notice DisclaimerChanges to This Guide About This GuideUser Guide SoundPoint IP 550 Phone Contents User Guide SoundPoint IP 550 Phone Troubleshooting Your SoundPoint IP 550 Desktop Phone User Guide SoundPoint IP 550 Phone Viii Getting Started with Your SoundPoint IP 550 Desktop Phone Parts List Assembling Your SoundPoint IP 550 Desktop Phone AC Power Connecting the Handset and Optional Headset Attaching the Base Snap them together to lock the base to the phone Registering Your SoundPoint IP 550 Desktop Phone Description Features of Your SoundPoint IP 550 Desktop PhoneDescription Speaker For ringer and hands-free audio Output Soft Keys Icon Description Before You Use Your SoundPoint IP 550 Desktop Phone Using the Navigation KeysUser Guide SoundPoint IP 550 Phone Customizing Your SoundPoint IP 550 Desktop Phone Changing the Appearance of Time and Date Configuring Basic SettingsChanging the Display Contrast Select Settings Basic ContrastChanging the Backlight Intensity Select Settings Basic Backlight IntensitySelect Backlight On Intensity Select Backlight Idle IntensitySelect Maximum Intensity Select Settings Basic Preferences Headset... Headset Memory Enabling the Headset Memory ModeSelecting the Correct Headset for Electronic Hookswitch Select Settings Basic Ring TypeSelecting the Ring Type Changing the Language Select Settings Basic Preferences LanguageChaning the Graphic Display Background Select Settings Basic Preferences BackgroundsAdjusting the Volume Managing Call ListsMuting the Microphone Managing Contacts Select Contact Directory Adding ContactsAdding Contacts From Call Lists Select Corporate Directory Editing Contacts Placing Calls to Contacts Deleting ContactsSearching for Contacts Search for the contact in one of the following ways Distinguishing Calls Managing Incoming CallsDiverting Calls Rejecting CallsSupporting Multiple Lines System CustomizationsSupporting Multiple Line Keys Per Line Your SoundPoint IP 550 supports shared lines Supporting Shared LinesUser Guide SoundPoint IP 550 Phone Page Placing Calls To place a call using the handset Answering Calls Do Not Disturb key again To answer a call using Hands-Free Speakerphone modeAnswering When in Another Call Ending Calls Placing Calls on Hold Redialing NumbersHosting Conference Calls Call the first party Setting Up Conference CallsConference similar to this one will now exist Managing Conference Calls System administrator Adding Parties to Conference Calls To add a party to a conference call using the Join soft key Ending Conference Calls Transferring CallsJoining Conferences Splitting Conference CallsRefer to Performing a Consulative Transfer on Performing a Blind Transfer Forwarding Calls AdministratorURL or IP address, refer to Placing Calls on Enabling Do Not Disturb Assigning Speed Dial Keys To add or edit a speed dial index for an existing contact To assign a new speed dial key Using Voice Mail User Guide SoundPoint IP 550 Phone Using Multiple Call Appearances User Guide SoundPoint IP 550 Phone Select Features Messages Instant Messages Using Text MessagingDo one of the following Press . Select Instant Messages Using Buddy Lists Presence SettingsSelect Features Presence My Status Managing Buddies Select Features Presence Buddy Status Select Features Presence Buddy Status Privacy ListIntegrating With Microsoft Live Communications Server Restarting Your Phone Troubleshooting Your SoundPoint IP 550 Desktop Phone Symptom Problem Corrective Action Power and StartupThen select Status Network ControlsLines Line Information. From Access to Screens and SystemsCalling Check status of Handset, Headset if Contrast on DisplaysAudio Testing Phone HardwareGoverning Law Service AgreementsPolycom Limited Warranty and Limitation Liability Warranty ExclusiveExclusions Modifications Safety and Compliance Part 15 FCC RulesInstallation Instructions Class B Digital Device or PeripheralRussian Compliance Safety and Compliance CE and Vcci MarkIndex SymbolsUser Guide SoundPoint IP 550 Phone Index User Guide SoundPoint IP 550 Phone Index
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