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1. 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 deployed on a premises of the enterprise to provide wireless capacity within the coverage area using the licensed radio frequency spectrum; anda mobile switching subsystem deployed in an office of a service provider that operates a public land mobile network, wherein the mobile switching subsystem is communicatively coupled to the pub...
1. 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 deployed on a premises of the enterprise to provide wireless capacity within the coverage area using the licensed radio frequency spectrum; anda mobile switching subsystem deployed in an office of a service provider that operates a public land mobile network, wherein the mobile switching subsystem is communicatively coupled to the public land mobile network;wherein the base station subsystem is communicatively coupled to the mobile switching subsystem using an Internet Protocol (IP) network;wherein the mobile switching subsystem is configured to function as a mobile switching center (MSC) and visitor location register (VLR) for roaming subscribers and local subscribers of the enterprise; andwherein the mobile switching subsystem is configured to function as a home location register (HLR) and gateway mobile switching center (GMSC) for local subscribers of the enterprise. 2. The enterprise mobile network of claim 1, further comprising a distributed antenna system (DAS) communicatively coupled to the base station subsystem. 3. The enterprise mobile network of claim 2, wherein the distributed antenna system comprises a hub unit located on the premises of the enterprise and a plurality of remote antenna units located on the premises of the enterprise, wherein the remote antenna units are located remotely from the hub unit and each of the plurality of antennas are coupled to at least one of a plurality of remote antenna units. 4. The enterprise mobile network of claim 3, wherein the hub unit is communicatively coupled to the remote antenna units, at least in part, using at least one of unshielded twisted pair cabling, cable television cabling, optical fiber, and coaxial cabling. 5. The enterprise mobile network of claim 3, wherein the hub and at least one of the plurality of remote antenna units are communicatively coupled to one another via an expansion hub. 6. The enterprise mobile network of claim 5, wherein the expansion hub is communicatively coupled to the remote antenna units, at least in part, using at least one of unshielded twisted pair cabling, cable television cabling, optical fiber, and coaxial cabling. 7. The enterprise mobile network of claim 1, wherein a private branch exchange (PBX) is deployed on the premises of the enterprise and is communicatively coupled to the mobile switching subsystem. 8. The enterprise mobile network of claim 7, wherein the PBX is communicatively coupled to a public switched telephone network (PSTN), and wherein the enterprise mobile network is configured to establish at least some calls via the PSTN using the PBX. 9. The enterprise mobile network of claim 7, wherein the PBX comprises an IP PBX and is communicatively coupled to the mobile switching subsystem over the IP network. 10. The enterprise mobile network of claim 1, further comprising a General Packet Radio Services (GPRS) Support Node (GSN) that is deployed in the office of the service provider that operates the public land mobile network. 11. The enterprise mobile network of claim 1, wherein the mobile switching subsystem is communicatively coupled to the public land mobile network via a media gateway. 12. The enterprise mobile network of claim 1, wherein the enterprise mobile network comprises a plurality of base station subsystems; wherein the enterprise comprises a plurality of offices, wherein at least one of the plurality of base station subsystems is deployed within each of the plurality of offices of the enterprise;wherein the IP network comprises at least in part a public IP network and the communications between the offices is secured using a virtual private network (VPN). 13. 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: at least one base station subsystem deployed on a premises of the enterprise to provide wireless capacity within the coverage area using the licensed radio frequency spectrum;at least one local mobile switching subsystem deployed on the premises of the enterprise that is communicatively coupled to the base station subsystem; anda central mobile switching subsystem deployed in an office of a service provider that operates a public land mobile network, wherein the central mobile switching subsystem is communicatively coupled to the public land mobile network;wherein the local mobile switching subsystem is communicatively coupled to the central mobile switching subsystem using an Internet Protocol (IP) network;wherein the local mobile switching subsystem is configured to function as a mobile switching center (MSC) and visitor location register (VLR) for the coverage area associated with the enterprise; andwherein the central mobile switching subsystem is configured to function as a home location register (HLR) and gateway mobile switching center (GMSC) for local subscribers of the enterprise. 14. The enterprise mobile network of claim 13, further comprising a distributed antenna system (DAS) communicatively coupled to the base station subsystem. 15. The enterprise mobile network of claim 14, wherein the distributed antenna system comprises a hub unit located on the premises of the enterprise and a plurality of remote antenna units located on the premises of the enterprise, wherein the remote antenna units are located remotely from the hub unit and each of the plurality of antennas are coupled to at least one of a plurality of remote antenna units. 16. The enterprise mobile network of claim 15, wherein the hub unit is communicatively coupled to the remote antenna units, at least in part, using at least one of unshielded twisted pair cabling, cable television cabling, optical fiber, and coaxial cabling. 17. The enterprise mobile network of claim 15, wherein the hub and at least one of the plurality of remote antenna units are communicatively coupled to one another via an expansion hub. 18. The enterprise mobile network of claim 17, wherein the expansion hub is communicatively coupled to the remote antenna units, at least in part, using at least one of unshielded twisted pair cabling, cable television cabling, optical fiber, and coaxial cabling. 19. The enterprise mobile network of claim 13, wherein a private branch exchange (PBX) is deployed on the premises of the enterprise and is communicatively coupled to the local mobile switching subsystem. 20. The enterprise mobile network of claim 19, wherein the PBX is communicatively coupled to a public switched telephone network (PSTN), and wherein the enterprise mobile network is configured to establish at least some calls made between mobile devices that communicate with the base station subsystem and devices coupled to the PSTN using the PBX. 21. 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 deployed on the premises of the enterprise to provide wireless capacity within the coverage area using the licensed radio frequency spectrum; anda mobile switching subsystem deployed on the premises of the enterprise, wherein the mobile switching subsystem is communicatively coupled to the base station subsystem using an Internet Protocol (IP) intranet deployed in the enterprise;wherein the mobile switching subsystem is communicatively coupled to a public land mobile network; andwherein call and signaling data is communicated between the base station subsystem and mobile switching subsystem over the IP intranet. 22. The enterprise mobile network of claim 21, wherein the enterprise mobile network is communicatively coupled to an enterprise IP phone system over the IP intranet. 23. The enterprise mobile network of claim 21, wherein the mobile switching subsystem is communicatively coupled to an IP private branch exchange (PBX) over the IP intranet. 24. The enterprise mobile network of claim 23, wherein the mobile switching subsystem comprises a user agent that emulates a phone that is operable to communicate with the IP PBX. 25. The enterprise mobile network of claim 24, wherein the user agent comprises a Session Initiation Protocol (SIP) user agent that is configured to appear, from the perspective of the IP PBX, to be a SIP phone. 26. The enterprise mobile network of claim 23, wherein the IP PBX is communicatively coupled to a public switched telephone network (PSTN), and wherein the enterprise mobile network is configured to establish at least some calls made between mobile devices that communicate with the base station subsystem and devices coupled to the PSTN using the IP PBX. 27. The enterprise mobile network of claim 21, further comprising a distributed antenna system (DAS) communicatively coupled to the base station subsystem. 28. The enterprise mobile network of claim 27, wherein the distributed antenna system comprises a hub unit located on the premises of the enterprise and a plurality of remote antenna units located on the premises of the enterprise, wherein the remote antenna units are located remotely from the hub unit and each of the plurality of antennas are coupled to at least one of a plurality of remote antenna units. 29. The enterprise mobile network of claim 28, wherein the hub unit is communicatively coupled to the remote antenna units, at least in part, using at least one of unshielded twisted pair cabling, cable television cabling, optical fiber, and coaxial cabling. 30. The enterprise mobile network of claim 28, wherein the hub and at least one of the plurality of remote antenna units are communicatively coupled to one another via an expansion hub. 31. The enterprise mobile network of claim 30, wherein the expansion hub is communicatively coupled to the remote antenna units, at least in part, using at least one of unshielded twisted pair cabling, cable television cabling, optical fiber, and coaxial cabling. 32. The enterprise mobile network of claim 21, wherein the enterprise mobile network comprises a plurality of base station subsystems, and wherein the enterprise comprises a plurality of offices, wherein at least one of the plurality of base station subsystems is deployed within each of the plurality of offices of the enterprise. 33. The enterprise mobile network of claim 21, further comprising a General Packet Radio Services (GPRS) Support Node (GSN) that is deployed on the premises of the enterprise. 34. The enterprise mobile network of claim 21, wherein the mobile switching subsystem is communicatively coupled to the public land mobile network via a media gateway. 35. The enterprise mobile network of claim 34, wherein the media gateway is communicatively coupled to the mobile switching subsystem and the base station subsystem using the IP intranet. 36. The enterprise mobile network of claim 35, wherein the base station subsystem is communicatively coupled to the public land mobile network via the media gateway. 37. The enterprise mobile network of claim 21, further comprising a Private A-link Intelligent Multiplexer (PALIM) function that directs signaling related to local mobile phone numbers to the mobile switching subsystem deployed on the premises of the enterprise and directs signaling related to public mobile phone numbers to the public land mobile network, and wherein the PALIM function is configured so that the enterprise mobile network appears, from the perspective of the public land mobile network, to be a base station subsystem. 38. 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 deployed on the premises of the enterprise to provide wireless capacity within the coverage area using the licensed radio frequency spectrum; anda mobile switching subsystem deployed on the premises of the enterprise, wherein the mobile switching subsystem is communicatively coupled to the base station subsystem using an Internet;wherein the mobile switching subsystem is communicatively coupled to a public land mobile network over the Internet; andwherein the mobile switching subsystem and the base station subsystem are communicatively coupled to the Internet via at least one firewall. 39. The enterprise mobile network of claim 38, further comprising a distributed antenna system (DAS) communicatively coupled to the base station subsystem. 40. The enterprise mobile network of claim 39, wherein the distributed antenna system comprises a hub unit located on the premises of the enterprise and a plurality of remote antenna units located on the premises of the enterprise, wherein the remote antenna units are located remotely from the hub unit and each of the plurality of antennas are coupled to at least one of a plurality of remote antenna units. 41. The enterprise mobile network of claim 40, wherein the hub unit is communicatively coupled to the remote antenna units, at least in part, using at least one of unshielded twisted pair cabling, cable television cabling, optical fiber, and coaxial cabling. 42. The enterprise mobile network of claim 40, wherein the hub and at least one of the plurality of remote antenna units are communicatively coupled to one another via an expansion hub. 43. The enterprise mobile network of claim 42, wherein the expansion hub is communicatively coupled to the remote antenna units, at least in part, using at least one of unshielded twisted pair cabling, cable television cabling, optical fiber, and coaxial cabling. 44. The enterprise mobile network of claim 38, wherein call and signaling data is communicated between the base station subsystem and mobile switching subsystem over the Internet. 45. The enterprise mobile network of claim 44, wherein the signaling data is secured using the Internet Protocol Security (IPSEC) protocols and the call data is secured using the Secure Real-time Transport Protocol (SRTP). 46. The enterprise mobile network of claim 38, wherein the mobile switching subsystem is communicatively coupled to the public land mobile network over the Internet via a media gateway that is deployed on the premises of the enterprise. 47. The enterprise mobile network of claim 38, wherein the mobile switching subsystem is communicatively coupled to an IP private branch exchange (PBX) deployed in the enterprise over the Internet. 48. The enterprise mobile network of claim 38, wherein the base station subsystem comprises a pico base station subsystem.