Chapter 7 - Diagnostics and General Troubleshooting
Audio
Symptom | Problem | Corrective action |
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No audio at your site | The far site is muted. | Look for the far site Mute icon. Ask the far site to unmute |
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| the microphone. |
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| Note: The far site’s microphone may be muted even if you |
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| do not see a far site Mute icon. |
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| The volume may be turned | Use the remote control to turn up the volume. |
| all the way down. | Then check the system’s audio output using the Speaker |
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| Test screen under Diagnostics > Audio. You should hear |
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| a 400 Hz tone. |
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| The far site’s microphones | Ensure that each person who speaks is facing a |
| are not placed correctly. | microphone and is close enough to it. |
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| The far site’s microphone | Ask the far site to check the cable to the microphone. |
| is not connected or does |
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| not have power. |
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| Too many line errors. | Try the call again later. |
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| ISDN voice algorithm is | Go to System > Admin > Network > ISDN. |
| incorrect. | Change the ISDN Voice Algorithm selection (aLaw or |
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| uLaw). |
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| The volume is turned all | Turn up the volume on the TV monitor. After that, you can |
| the way down on the TV | use the remote control to adjust the volume. |
| monitor. |
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| The monitor’s audio inputs | Check audio output using the Speaker Test screen under |
| are not connected properly | Diagnostics > Audio. You should hear a 400 Hz tone. |
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| Ask someone at the far site to speak into the microphone, |
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| and check the Far Site Audio meter on the Audio Meter |
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| screen under Diagnostics > Audio to determine whether |
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| your system is receiving audio. |
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| The system’s audio | Check the system’s audio connections to the TV monitor. |
| outputs are not connected | Verify that the system is connected to the correct audio |
| properly. | |
| connectors on the monitor. | |
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© Polycom, Inc. | 7 - 15 |
