Play mp3 file using pjsip

I am working on a project where I need to play audio files over VOIP channel. I am using OpenSource phone (SFLphone). I would like to know how to play an MP3 audio file over VOIP channel.

Application areas: Play audio lect开发者_运维技巧ure through VOIP channel.

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Maybe you can try to use the Jack Audio Server for this purpose. Though, notice: This site is about programming. maybe this question is a little offtopic. Maybe you should try to make it on some other Stack Exchange site. If it doesn't apply to any other, then let it here.