[Asterisk-video] app_rtsp hangup after exactly two minutes using Darwin Streaming Server

[Thomas Frieling]

Hi group!

I found out why app_rtsp hangs up after two minutes playing when using Darwin Streaming Server (DSS).
The problem is DSS's RTP-Timout, which is exactly two minutes, which is thrown because app_rtsp doesn't send any RTCP-Packages to report streaming status.

Now, there are two major possiblities to fix this issue:

1. change /etc/streaming/streamingserver.xml to more than 120 seconds
<PREF NAME="rtp_timeout" TYPE="UInt32" >1200</PREF> 

2. make app_rtsp send RTCP-Messages (which is the better but more difficult solution)

When sending RTCP RR packages there are three solutions:
a) send dummy RTCP RR packages
b) forward RTCP RR packages from the handset to DSS
c) create RR packages about the connection between app_rtsp and DSS


Any other ideas?
Thomas
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