An apparatus, method and system are provided for hand-off of a communication session in a mobile wireless communication system, from the serving base station to a target base station, utilizing a shared directory number associated with a first terminal of the serving base station which is providing the communication session with the mobile unit through a first call path. The serving base station includes a second terminal having the shared directory number associated with the first terminal. A switch, coupled to the serving base station and to the target base station, is configured, upon reception of a message from the serving base station, to establish a second call path from the second terminal of the serving base station to the target base station, and to bridge the second call path with the communication session of the first call path to form a multiway communication session, with the multiway communication session including a bridged call path to the target base station. Upon the communication of the mobile unit with the target base station for continuation of the communication session through the bridged call path, the serving base station is released from the multiway communication session.
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