[Freeswitch-users] Getting the IP (domain) of the FS box a phone registered with

Hi there, I have a cluster of FS boxes. OpenSIPS sits in front of the boxes to load balance. The internal profile is sharing the same DB via ODBC. A mobile phone SIP client is registering with FS1, and a call for that SIP client arrives on FS2. The mobile phone will not accept unsolicited IP traffic, so FS1 must send the invite.

From FS2, how do I find the IP (domain) the mobile phone is registered to? Without iterating through all my domains with sofia_contact? Or doing a look up in the DB.

Is there a simpler way? Many thanks Pj