GXP 2170 after 20Min bad audio

[Edwin Hop]

Using the Grandstream GXP2170 via STUN on 3CX. after ~20min on a conferance box the audio will be bad for 1minut, after that the audio is good for ~4min then it will be bad for 1minut, and good for ~4min repeated. We analysed the Audio streams in Wireshark but don't hear bad audio. We updated the fireware to the lasted 127 version but, problem still exist. Using a Yealink T42S in the same way, we don't have the bad audio problem. What can be the problem?

 

[JohnS_3CX]

Why the Grandstream is set to fixed (especially when it is supposed to be adaptive by default) and the Yealink is set to adaptive is a question for 3CX.

On this point, the recommendation to set the buffer to fixed came from the manufacturer. We are currently investigating further as we speak. Thank you for your feedback, we will consider it in upcoming template updates