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Re: [Linphone-developers] No codecs beside SPEEX/16000 working on

From: Carriero Stefano I . MSCE_T_H14 . 1401
Subject: Re: [Linphone-developers] No codecs beside SPEEX/16000 working on
Date: Thu, 22 Dec 2016 12:46:22 +0000

Dear Linphone developers,

I am still facing the same issue and so far nobody has replied to my mail.
In the meantime, I have re-built the entire environment and set the 
PREFERRED_PROVIDER_speex to "speex-bc". Unfortunately, I couldn't notice any 
difference. I'm still not able to use different codecs other than SPEEX/16000.
I am at the end of my alphabet and I would really appreciate some help in this 

Looking forward to your reply.

Best regards

-----Original Message-----
Date: Sun, 6 Nov 2016 19:07:45 +0000
From: Carriero Stefano I.MSCE_T_H14.1401
To: "address@hidden" <address@hidden>
Subject: [Linphone-developers] No codecs beside SPEEX/16000 working on
Message-ID: <address@hidden>
Content-Type: text/plain; charset="us-ascii"

Dear all,

I have followed the instructions given on the wiki page 
( and 
successfully installed Linphone onto my Yocto Linux. Most of the features are 
working fine, but there is one important functionality that gives me some 
headache: I am not able to use codecs other than the SPEEX/16000.
By default the following codecs are enabled in the configuration (.linphonerc 

-        Speex/1600

-        Speex/8000

-        PCMU

-        PCMA

I am doing calls on the LAN from my Win7 Linphone to the linphonec on the Yocto 
Linux. With Speex/16000 enabled, no issues.
When I disable the Speex/16000, I am still able to establish the call and the 
application is saying "Media streams established", but there is no sound in 
neither direction.

The strange thing is that although I disabled the Speex/16000 in the config 
file, when I restart the application it would still see it as enabled:
2016-11-05 08:13:17:433 ortp-message-Codec speex/16000 fmtp=[vbr=on] number=-1, 
enabled=1) added to the list of possible codecs.

Please find attached the full log file.

While building Linphone on Yocto, bitbake showed a warning that might have a 
relation to the above mentioned problem. It said that there were two providers 
of "speex" (i.e. speex, speex-bc) and it recommended to set a preferred 
provider. I have then set the PREFERRED_PROVIDER_speex to "speex" within the 
local.conf, but the issue remains the same. Do I have to set it to "speex-bc"?

Any help to solve this issues is appreciated.

Best regards
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