I have encountered one problem:
For a connected call: the caller leg is IAX2, the callee leg is SIP leg. I found that asterisk sometimes sends IAX2 control protocol with subclass 26 sent to IAX2 client. It indicates /*!< Media source has changed and requires a new RTP SSRC */.
However, as far as I know, /*!< Media source has changed and requires a new RTP SSRC */ is specific to SIP.
Why does asterisk send control frame (subclass 26) to IAX2 client?
The worst thing is that IAX2 specification does not specify how to handle such received packet.
Anyone can help?