Patent ID: 8798095

Claim:
A server comprising: a processor; and a computer-readable medium storing instructions which, when executed by the processor, cause the processor to perform operations, the operations comprising: adjusting a call processing logic for a session initiation protocol to integrated services digital network user part call based on an interworking profile assigned to an integrated services digital network user part trunk group that is selected to support the call, wherein the adjusting comprises selecting, based on the interworking profile, between establishing a one-way media path to an originating device upon a receipt of the call from the originating device and awaiting a receipt of an address complete message, wherein the one-way media path comprises a receive only media path, wherein the integrated services digital network user part trunk group that is selected to support the call is one of a plurality of different integrated services digital network user part trunk groups that are assigned different interworking profiles, wherein each of the different interworking profiles specifies a different call handling for session initiation protocol to integrated services digital network user part calls; and establishing the one-way media bath comprising a one-way media bath from a public switched telephone network to the originating device without checking the address complete message returned from the public switched telephone network associated with the integrated services digital network user part trunk group.