Hi Guys,

On 04-23-2010 21:40, Nathan Clemons wrote:
> SIP is just the control protocol, and can be negotiated over TCP or UDP. The
> actual payload is done over RTP, which is a UDP-based protocol.
>

thanks, for both of you for pointing this out.  i was obviously on the 
wrong track here.  since i see the rtp traffic via tcpdump, i'm going to 
ask the other gw's sysadmin to see into this, maybe there is some 
logging on the other side.

> If you had to add firewall exceptions/PAT config for the TCP SIP traffic,
> you'll also need to add the same for RTP traffic as well.
>

this is a private pilot network for testing purposes, no internet 
connection, no nat, no firewall.  it's like the 90s :)

thanks for your comments.

regards
adam

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