search for: pattern_matching_external_numb

...be able to point me in the right direction on this? I'd imagine the initial dialplan config to be something like this: Zap/g1 = T1 to telco Zap/g2 = T1 to PBX [default] exten => _<pattern_matching_our_DIDs>,1,Dial(Zap/g2/${EXTEN}) ; routes incoming calls to old PBX exten => _<pattern_matching_external_numbers>,1,Dial(Zap/g1/${EXTEN}) ; routes outgoing calls to telco That's probably way over-simplified, and I'm sure the final implementation would involve a few different contexts for orginization and future flexibilty, as well as perhaps needing some code to set CID information correctly (I...