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We have a Polycom IP 7000 which incoming  audio is generally fine, outgoing is the problem. People on the other end of the line have a very difficult time understanding the callers from our conference rooms. The audio does not break up, it is just mostly unintelligible, lots of echo.  If people are sitting close to the mics, the quality is better.

 

Equipment:

Polycom IP7000 phones with 2 satellite mics. 

Cisco Call Manager System version: 8.6.2.20000-2, VMware Installation: 2 vCPU Intel(R) Xeon(R) CPU X5650 @ 2.67GHz, disk 1: 80Gbytes, disk 2: 80Gbytes, 6144Mbytes RAM

 

Any advice on how should I troubleshoot this ?

 

Thanks,

 

Roger.

1 REPLY 1
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Hello rdefrei2,

welcome to the Polycom Community.

There are various factors that can contribute to echo / bad audio.

 

Firstly, have you tested this without the satellite microphones yet and what kind or size of room are we talking about.

 

Also, have you made a wireshark trace and tried to play back the audio and listen if the audio is already distorted at that point or is something in the network causing this?

 

Are these external calls via a gateway and what is the audio quality when dialing an internal phone?

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services

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