Patent ID: 9706045
Date: 2017-07-11
CPC Classifications: H04M

Claim:
1. A method for integrating an outgoing cellular call as an enterprise call, wherein said outgoing cellular call is originated by an enterprise user equipment that is attached to a cellular network towards a called party, said enterprise user having an enterprise address for an enterprise network and a non-enterprise address for said cellular network, comprising: receiving, through a wireless connection to said enterprise network, a Session Initiation Protocol (SIP) INVITE request from said enterprise user equipment for initiating said outgoing cellular call to said called party, wherein said enterprise user equipment is attached to said cellular network separate from said enterprise address; establishing a first call leg between a SIP-capable Private Branch Exchange (PBX) in said enterprise network and said enterprise user equipment via said cellular network; establishing a second call leg between said SIP-capable PBX and said called party via said cellular network, wherein said called party is attached to said cellular network; and patching said first and second call legs to establish an end-to-end communications path between said enterprise user equipment and said called party, wherein said enterprise address is presented instead of said non-enterprise address to said called party as a calling line identity with respect to said outgoing cellular call from said enterprise user equipment, and the first leg is associated with a first user and a portion is circuit switched based and the second leg is associated with a second user and a portion is packet based.