[asterisk-users] Bad Gateway

[Igor Hernandez]

Hey guys,

For future reference if it happens to anyone else. In this case the
problem was that for whatever reason sending a callerid with a + in it
caused the carrier to not connect our calls.



Igor Hernandez wrote:
> Hey guys,
> 
> I've been having a very odd problem that happens intermittently. I've
> had this happen with only a couple of providers and somewhat rarely but
> its to the point now that we need to fix it to be able to do business.
> 
> The scenario is as follows: We have a DID provider that routes calls to
> our asterisk boxes and we have an outbound provider to whom we send the
> calls of the person dialing in to the DID. So person dials into the
> asterisk server from a pstn number(DID) chooses where he wants to call
> and the call is sent over the outbound provider to terminate. Usually
> this works well without a glitch.
> 
> However, with trying to terminate to specific places we get "SIP 502 Bad
> Gateway" when dialing in like the user would(through the pstn to our
> asterisk box and then dialing out) but we connect just fine by using a
> sip phone registered directly to the asterisk box.
> 
> Searching around all I could find is:
> "The server, while acting as a gateway or proxy, received an invalid
>    response from the downstream server it accessed in attempting to
>    fulfill the request"
> from the rfc.
> 
> Below is the current configuration for the peers. If anyone knows
> anything about why this could be happening your help is very much
> appreciated.
> 
> [DID_Provider]
> type=peer
> canreinvite=no
> directrtpsetup=no
> context=incoming
> host=DID_PROVIDER_IP
> insecure=invite,port
> qualify=no
> 
> [outbound_provider]
> type=peer
> disallow=all
> allow=G729
> context=incoming
> host=outbound_provider_ip
> insecure=invite,port
> canreinvite=no
> directrtpsetup=no
> qualify=no
> nat=no
> 
> 

-- 
Igor Hernandez
Escape Communications
http://www.escapetel.com