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G722 not working on W53H W60B
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ricvil Offline
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Posts: 12
Joined: Oct 2013
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Post: #1
G722 not working on W53H W60B
Hi,

I swapped a W52 system for a W53 (W53H plus W60B). Identical config and same Asterisk server. I was using G722 exclusively before (all other codecs disabled) and it worked great with the Yealink phones. The new base does not seem to work with G722. I can confirm the SIP signalling is fine. Phone sends the INVITE with G722 as the codec and Asterisk connects the call. As soon as the SIP 200 OK is send back to the W60B, the call drops. It is as if the W60B chokes as soon as it tries to decode G722 audio. Base FW is 77.83.0.20, handset FW is 88.83.0.10.

Any ideas?

Thanks,
Ricardo
01-12-2019 04:04 PM
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complex1 Offline
3CX Adv. Cert. Engineer
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Posts: 1,287
Joined: Jan 2014
Reputation: 39
Post: #2
RE: G722 not working on W53H W60B
Hi Ricardo,

Please upgrade the Base to f/w 77.83.0.25, then reset the base to factory default and try again.

Hope this will help.

Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
01-13-2019 12:56 PM
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ricvil Offline
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Posts: 12
Joined: Oct 2013
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Post: #3
RE: G722 not working on W53H W60B
Did the upgrade and factory default but the issue continues.

Invite from Yealink to Asterisk has the below codec offer (G722 only):

User-Agent: Yealink W60B 77.83.0.25.
Allow-Events: talk,hold,conference,refer,check-sync.
Supported: replaces.
Content-Length: 213.
.
v=0.
o=- 20007 20007 IN IP4 192.168.4.2.
s=SDP data.
c=IN IP4 192.168.4.2.
t=0 0.
m=audio 12452 RTP/AVP 103 101.
a=rtpmap:103 G722/8000.

Asterisk accepts codec and connects call:
SIP/2.0 200 OK.
.
.
v=0.
o=root 184010779 184010779 IN IP4 192.168.4.1.
s=Asterisk PBX 1.8.23.1.
c=IN IP4 192.168.4.1.
t=0 0.
m=audio 14268 RTP/AVP 103 101.
a=rtpmap:103 G722/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.

The yealink immediately sends a BYE back to Asterisk and the LCD screen on the W53H says "Not Acceptable".

To me this means a codec problem and given the same setup works fine with the W52, I am still inclined to blame the W53.

Thanks.
01-15-2019 09:03 PM
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