Greetings everyone, I was wondering if there was a way to change the codec that Asterisk uses when streaming via MulticastRTP. Or perhaps a way to transcode the multicast stream. In the CLI, when I have a multicast stream in progress, I am typing 'core show channel MulticastRTP/0x7f7........' to get lots of helpful information. I have noticed that when I do a MULTICAST page and send data from MP3Player, I get no sound on my speakers and get the following from 'core show channel PJSIP/xxx': NativeFormats: (slin)WriteFormat: slinReadFormat: slinWriteTranscode: No ReadTranscode: No I have noticed that when I do a UNICAST page and send data from MP3Player, everything works flawlessly and I get the following from 'core show channel MulticastRTP': NativeFormats: (ulaw)WriteFormat: slinReadFormat: slinWriteTranscode: Yes (slin@8000)->(ulaw@8000)ReadTranscode: Yes (ulaw@8000)->(slin@8000)
The only thing that is changing is the following line in my extensions.conf file: ; For Multicast Pagingsame => n(next),Page(MulticastRTP/basic/239.1.1.2:6061,q) ; For Unicast Pagingsame => n(next),Page(PJSIP/107&PJSIP/108,ib(pjsip-auto-answer-header^addheader^1)|p}) Is there any way to get the MP3Player stream to transcode (as it does on the UNICAST stream) when I try to MULTICAST? Thanks for the help, --Matt
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