| 摘要 |
Seamless transitions between an enterprise telephony system and a licensed public telecommunications system are described. In one embodiment, the invention includes receiving through a private telephony switch a request from a mobile station to handover an active call, the active call being between the private telephony switch and the mobile station, establishing a wireless channel between the private telephony switch and the mobile station through a base station of a wireless licensed telecommunications system, and transferring the active call to the established wireless channel
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