Hi Stefan!
1. You also have to modify the RTP channel, as floor control will be done using RTCP.
2. The biggest problem is the lack of compatible hand sets. There are several standards (Nokia, Ercisson, OMA..) and it is hard to find working handset.
regards, Klaus
Stefan Gofferje wrote:
Hi folks!
I have been reading a lot and I found out that PTT over Cellular is based on VoIP, precisely SIP. Does anyone here knows if Asterisk's chan_sip understands the cellular SIP?
Vodafone Germany has turned down PoC after a testing phase and I would too much like to have my own PoC Server for me and my friends.
Regards, Stefan
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