[asterisk-users] Multicast Paging

[Philipp von Klitzing]

Hi!

> I'm trying to play a pre-recorded message to a group of Aastra phones
> [...]
> cvlc -v emergency-test2.wav --norm-max-level=5 --sout
> "#transcode{acodec=ulaw,ab=64,channels=1,samplerate=8000}:rtp{dst=239.0.1.
> 20,port-audio=16000,proto=udp}"

Look at the very bottom of this (snom & multicast):
http://www.voip-info.org/wiki/view/Asterisk+cmd+Page

I think I ran into this as well and then turned to feeding ulaw to vlc 
instead of wav. And MAST is a good alternative to try.

Cheers, Philipp