[asterisk-users] How to handle multiple IPs from one SIP carrier

[Anthony Francis]

andersen at mwdental.com wrote:
> On my SIP carrier, I register to a proxy "sipconnect.dal0.cbeyond.net"
> which ends up being 192.168.22.212 (They supply a T1 bundle)
>
> #sip show peers
> Name/username              Host            Dyn Nat ACL Port     Status
> <snip>
> Generic-8174691929/817469  192.168.22.212       N      5060     OK (41 ms)
>
> Yesterday, they had a problem with their primary server and reverted
> to a backup server for about 5 minutes.  As chance would have it, I
> received a call to one of my DIDs just before and just after the switch.
> As you can see below, the first call was on their primary server and
> the "Found peer" finds the Generic-8174691929 peer I have set up.
>
> Using INVITE request as basis request -
> BW124119297070508-1055880459 at bwas1-vir.atl0.cbeyond.net
> Sending to 192.168.22.212 : 5060 (NAT)
> Found peer 'Generic-8174691929'   <<<<<<<<<<<<<<<<<<<<
> Found RTP audio format 0
> Found RTP audio format 100
>
> However, just after they changed to the backup service, I received the
> call below.
>
> Using INVITE request as basis request -
> BW112003982070508-1664258428 at bwas2-vir.dal0.cbeyond.net
> Sending to 192.168.25.212 : 5060 (NAT)
> Found no matching peer or user for '192.168.25.212:5060'   <<<<<<<<<<<<
> Found RTP audio format 0
> Found RTP audio format 100
>
> Since it was a different IP address, it found no matching peer
> and failed to find a valid context to send the call to.
>
> How should this be addressed in Asterisk to allow for such an incident?
>
> Bill
>
>
> _______________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>
>   
This is why Asterisk recommends dual registration. You reg with them for 
out and the reg with you for in. :)