[Freeswitch-users] switch_rtp.c - Auto Changing Port

Ross McKillop ross at ossiantelecom.co.uk
Tue Sep 7 01:25:20 PDT 2010

On 7 Sep 2010, at 09:13, David Ponzone wrote:

> for the record, FS needs 20 packets to auto-adjust to the real source IP:port of the RTP stream.
> So with a typical ptime of 20ms, that's 400ms before FS learns it, so before the audio works both ways.

400ms is a lot shorter than the 10s I'm experiencing at the moment ; ) 

I'll try some packet captures and see what it's doing - problem is with SIP TLS it's harder to get anything meaningful out of Wireshark's SIP functions.


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