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- HP Community
- Poly Phones
- Desk and IP Conference Phones
- Re: Opus Negotiation not happening
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07-02-2018 09:57 AM
Just updated to the latest UC firmware for my VVX600. Version is UC Software Version 5.8.0.12848.
On my pbx, I have enabled the opus codec, and found that it works with all our other phones in the office (sounds awesome). For some reason, I can't get my polycom phone to negotiate the Opus codec when making any calls.
I set my Settings->Codec Priorities "In use" area to have:
Opus
G.711Mu
And it negotiates 'ulaw' every time. If it have just 'opus' I can't make any calls. I'm using the same extension as another phone that's a different brand and it uses opus just fine.
Any idea why I'm not getting my phone to make an opus call? G722 works but it's just not as good and it sounds like it's 'underwater' intermittently. Again, this issue seems to be exclusive to our polycom phones and every other phone in the shop is working.
Solved! Go to Solution.
Accepted Solutions
07-02-2018 10:12 AM
Okay, totally figured it out.
If you go to Preferences/Video Processing and change "Video" to "Disable", opus will start working. I noticed that video + opus is not supported, and assumed that was something that would be negotiated on the fly (if a call requested video, the opus codec would not be selected and the next down on the priority list would be). This is not the case! If video is enabled on the phone in any way, you won't be able to negotiate opus.
Hope this helps someone else.
07-02-2018 10:12 AM
Okay, totally figured it out.
If you go to Preferences/Video Processing and change "Video" to "Disable", opus will start working. I noticed that video + opus is not supported, and assumed that was something that would be negotiated on the fly (if a call requested video, the opus codec would not be selected and the next down on the priority list would be). This is not the case! If video is enabled on the phone in any way, you won't be able to negotiate opus.
Hope this helps someone else.
07-02-2018 10:19 AM
Hello @Negative,
welcome to the Polycom Community.
Not having seen any logs to verify this it may be a limitation of your yet unknown SIP switch.
Does your other yet unknown Phone manufacturer support Video Calls?
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
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
07-02-2018 11:27 AM
While I have an accepted solution, you have questions, and I'm happy to answer.
We're running asterisk 14.7.5, on FreePBX 14. The other phone models are a mix of Unifi VoIP phones, and Grandstream 21xx series phones. We also have a couple of Grandstream GXV 32xx phones, which can do both opus and video simultaneously (though I'm not a fan of the firmware/interface, personally).
07-14-2018 03:53 AM
Hello @Negative,
From the UC Software 5.4.0 Release Notes page 6:
- The Opus codec is not available when you enable video on the VVX 500 or VVX 600 business media phones. If you want to use the Opus codec, disable video using the configuration file parameter video.enable.VVX500=0 or video.enable.VVX600=0. By default, these two parameters are enabled ‘1’, and you must manually set the value to ‘0’ to disable.
Best Regards
Steffen Baier
Polycom Global Services
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.
Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
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