Codec priority settings for C# softphone

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I'm working on a SIP softphone but I got the following problem and I have no idea how to solve it:

During an audio call, PMCA codec is used primarily. How to setup codec priority to achieve PCMU will be used during the call?

I use Windows 7, C# (Visual Studio), Ozaki C# SIP library and the following type of codecs: PCMA, PCMU, iLBC.

I hope that one of the community have any idea. Thank you very much for any help.

Posted 27-Jan-15 1:23am

jasonjr.hill

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NikoJarvi 30-Jan-15 1:38am

Hello,

Use this code:

var preferredPayloadTypes = new List<CodecPayloadType>() { CodecPayloadType.PCMU, CodecPayloadType.PCMA, CodecPayloadType.iLBC };
var channelConfig = new MediaChannelConfig(preferredPayloadTypes);
call.Media.SetChannelConfig(CodecMediaType.Audio, channelConfig);

The program will use the first codec in the list primarily.

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