[asterisk-users] RTP / NAT question ( pjsip )

[Joshua Colp]

Kevin Long wrote:
> Thank you for the response Joshua .
>
>
> I had rtp_symmetric=yes  before I wrote the email,   then I set it to
> no,  restart asterisk, and tried to make the call from the remote
> endpoint again but still tcpdump is showing me the RTP packets are
> being sent from Asterisk to the private IP.
>
> tcpdump on asterisk server showing UDP packet bound for my remote
> endpoints internal IP: 17:07:57.130212 IP 10.50.55.10.6214>
> 10.128.30.239.51126: UDP, length 182

It needs to be set to yes, and you also must have received an RTP packet 
from the remote side. If you haven't received any then check to see if 
they are being blocked by a firewall, and that the SDP sent to the 
device contains the public IP address.

-- 
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org