Patent ID: 8107464

Claim:
An enterprise mobile network for providing wireless service within a coverage area associated with an enterprise using licensed radio frequency spectrum, the enterprise mobile network comprising: a base station subsystem (BSS) deployed on a premises of the enterprise to provide wireless capacity within the coverage area using the licensed radio frequency spectrum; a mobile switching subsystem (MSS) communicatively coupled to the BSS using an Internet Protocol (IP) network, wherein the MSS is also communicatively coupled to a public land mobile network; and an IP private branch exchange (PBX) that is communicatively coupled to the MSS using the IP network; wherein the enterprise mobile network is configured to have local subscribers thereof; wherein at least one local subscriber has assigned thereto a local mobile phone number and a PBX extension number; and wherein for said at least one local subscriber, when an attempt by a calling party to set-up a call made to that local subscriber's local mobile phone number is received at the MSS, the MSS causes a mobile device associated with that local subscriber's local mobile phone number to indicate that an incoming call is being made, wherein if that local subscriber answers the call using the mobile device associated with that local subscriber's local mobile phone number, the call is set up between the calling party and the mobile device associated with that local subscriber's local mobile phone number; and the MSS causes a device associated with that local subscriber's PBX extension number to indicate that an incoming call is being made, wherein if that local subscriber answers the call using the device associated with that local subscriber's PBX extension number, the call is set up between the calling party and the device associated with that local subscriber's PBX extension number.