Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint
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Ensure that the local audio output device is connected correctly.
Use audio diagnose to check whether the audio device is working normally.
Ensure that the ringer volume is not set to the minimum.
Check whether the far site is muted.
Ensure that the local audio input device is connected correctly.
Check whether the near site is muted.
Check whether the endpoint has enabled the auto answer mute feature.
Ensure that the speaker volume of the far site is not set too low.
Muffled audio reception from the far side may be caused by highly reverberant
rooms. Speak in close proximity to the phone.
Adjust the priority order for your audio codec if you have chosen a low-bandwidth
audio codec to be first. For more information, refer to Codecs on page 112.
For best results, ensure that the caller is using a Yealink VC110 video conferencing
endpoint. Audio quality from your VC110 video conferencing endpoint will vary
when calling a non-Yealink endpoint. For more information, refer to Video Size
Mode on page 121.
Dust and debris may cause audio quality. Do not use any kind of liquid or aerosol
cleaner on the phone. A soft, slightly damp cloth should be sufficient to clean the
top surface of the phone if necessary.
Users may receive poor voice quality during a call, such as intermittent voice, low
volume, echo or other noise. It is difficulty to diagnosis the root causes of the voice
anomalies. The possible reasons are:
Users sit too far from or near to the microphone.
The audio pickup device is moved frequently.
Intermittent voice is probably caused by voice packet loss or jitter. Voice packet
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