Skip to main content
Question

1-way audio and phones losing registration

  • May 27, 2026
  • 0 replies
  • 2 views

We have been live on RingCentral EX for over a month now and haven’t had issues until yesterday.  I have tickets open but was curious if anyone else has / had experienced this.

We have 125+ Polycom desk phones.. starting yesterday we’re having 2 issues.

  1. 1-way audio or no audio at all.  The user hangs up and calls back and ALWAYS gets successful 2-way audio on the 2nd attempt.
  2. Phones are showing Not Registered then go back to normal after a few moments.  When this happens, the port does not go down on the switch side.  

I’m the sole firewall administrator and no changes have been made there.  The only thing I know that’s changed is we got a notice that the Polycom firmware would be updated to 26.2 on May 17th.