Opus first causes hold and park failure

bug

#1

I’m running a UCM6202 with v1.0.19.27 and a GXP2135 with v1.0.9.135
I have placed G.722 in first pace in front of PCMU in both the phone and the UCM Extension settings. The phone tells me it’s using it and I find no detriment in functionality.
Now I’m trying to place OPUS in first place on the phone and UCM. When I do this, calls come in as G.722 according to the phone… Then I place the call on hold or park the call, the other end gets the Music on Hold. I then try to pick the call back up and the call gets dropped. I move OPUS back to the bottom of the list and everything is back to normal.


#2

If memory serves there is an issue with OPUS and MOH. It has been reported in the forum.
Do a forum search for OPUS and see what comes up. If they got MOH, then it was likely at a codec using something other than OPUS. To see what is happening exactly, you need to do a capture of a call when using OPUS to see if really using it and why the disconnect.


#3

Yes, OPUS is not officially supported by GS for the UCM. Phones yes, but not the PBX.

I was the one who reported that OPUS doesn’t work with MOH. Multiple persons tried to make it work.


#4

Interesting. I would hope that Grandstream hasn’t given up on trying to make it work. Because if they have, they really should remove OPUS from the Codec Lists in the UCM.