[asterisk-users] outgoing sip calls work; incoming calls fail

[Ivan Stepaniuk]

listmail at websage.ca wrote:
>
> On the LAN side I can see the INVITE and OKAY messages which end with a
> CANCEL, apparently initiated by the Asterisk gateway.
>
> On the WAN side I can see that my Asterisk gateway is repeatedly
> sending OKAY messages in response to the INVITE from my ITSP. I assume
> the trouble is that these messages are either not getting back to my
> provider or something is blocking the confirmation from them. This more
> or less confirms what was seen in the sip debug trace as well.
Post that SIP message from the CLI (sip debug), try adding 
"externip=XXX.XXX.XXX.XXX" (your external/public IP address) to your 
sip.conf global section, asterisk may be including it's private address 
in the OKAY sent to your provider.


-- 
Iván Stepaniuk
Alba Fotónica S. L.
www.albafotonica.com