How to fix audio problem on Polycom SoundStation IP 5000

The document explains how to fix a problem with one-way or no audio on Polycom SoundStation IP 5000.

Published: April 2019



When a call is placed to Polycom SoundStation IP 5000, there one of the following problems with audio occurs:

  • one-way audio (no audio either on Polycom side or on the caller side)
  • no audio (both on Polycom side and on the caller's side)


The problem is that Polycom SoundStation IP 5000 does not support Direct RTP. To resolve the problem, disable Direct RTP for these calls via Dialplan: