--- Repost: Sorry if you've already seen this message ---

Hello,

We are using sipx 4.2.1 and have sipxbridge working fine for a couple of 
outbound trunks. Our SIPX server and phones are behind a NAT.

I have been playing around with SIP URI dialing, and I am not sure how the 
media relaying/NAT busting is supposed to work. 

In my experimenting, I can get a call to connect, but I get no RTP. Upon 
looking further, it looks as if the outgoing RTP is being directed directly 
from the phone to the remote URI with no relay. (I would rather the RTP be 
relayed so that I don't have to open up my firewall for the phones). I am 
receiving no incoming RTP at all, which suggests to me that there is no NAT 
compensation being done.

Anyway, I don't have any immediate need for URI dialing, but am just curious if 
this is supposed to work, or if there is any way to configure the behavior here.

Thank You,

Scott Richesson
IT Manager
Cincinnati Fan
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