System, method, and computer-readable medium for IP-femtocell provisioned radio access network
View Patent ↗A system, method, and computer readable medium for provisioning radio access via a femtocell system that includes integrated BTS and BSC functions are provided. The femtocell system is coupled with a packet switched backhaul and provides an IP-accessible radio access network. The femtocell system includes a session initiation protocol adapter that supports a SIP client pool and provides conversion of call set-up functions to SIP client set-up functions for provisioning of radio access to a user equipment. The user equipment may have a session initiation protocol client associated with the user equipment. The session initiation protocol client is hosted and registered with a registrar service by the femtocell system. Accordingly, telecommunication services may be directed to and from the user equipment over the packet-switched backhaul to the user equipment via the femtocell system.
1. A method, comprising:
allocating, by a femtocell system, a session initiation protocol client for a user equipment; and
transmitting, by the femtocell system, a first registration message for the client to a registrar service, wherein the first registration message includes a first contact comprising a session initiation protocol uniform resource identifier assigned to the user equipment, wherein the first registration message includes a second contact comprising a telephone uniform resource identifier comprising a telephone number assigned to the user equipment.
2. The method of claim 1 , wherein the order of the first contact and the second contact specifies a preferred contact order for the user equipment.
3. The method of claim 1 , comprising registering the user equipment with a domain name system server that associates a telephone number of the user equipment with a domain in which the user equipment has a session initiation protocol service subscription.
4. The method of claim 1 , comprising:
receiving, by the femtocell system, a session initiation protocol call set-up message specifying the session initiation protocol uniform resource identifier as a recipient;
converting the session initiation protocol set-up message into a radio access network-compliant signaling message; and
transmitting the radio access network-compliant signaling message over an air interface to the user equipment.
5. The method of claim 1 , comprising:
receiving, by the femtocell system, a signaling message comprising a call set-up request over an air interface from the user equipment, wherein the signaling message comprises a radio access network-compliant signaling message;
converting the call set-up request into a session initiation protocol request message that includes the session initiation protocol uniform resource identifier as an originator of the session initiation protocol request message; and
transmitting the session initiation protocol request message over a packet-switched backhaul communicably coupled to the femtocell system.
6. The method of claim 1 , comprising transmitting, by the femtocell system, a second registration message for the client to a registrar service, wherein the second registration message includes a first contact comprising a telephone uniform resource identifier comprising a telephone number assigned to the user equipment, and wherein telecommunication services are provided to the user equipment by a macrocellular system subsequent to transmission of the second registration message.
7. The method of claim 1 , wherein the session initiation protocol client comprises a user agent.
8. A non-transitory computer-readable medium having computer-executable instructions for execution by a processing system, the computer-readable medium comprising instructions for:
allocating, by a femtocell system, a session initiation protocol client for a user equipment;
transmitting, by the femtocell system, a first registration message for the client to a registrar service, wherein the first registration message includes a first contact comprising a session initiation protocol uniform resource identifier assigned to the user equipment, and wherein the first registration message includes a second contact comprising a telephone uniform resource identifier comprising a telephone number assigned to the user equipment.
9. The non-transitory computer-readable medium of claim 8 , wherein the order of the first contact and the second contact specifies a preferred contact order for the user equipment.
10. The non-transitory computer-readable medium of claim 8 , comprising instructions for registering the user equipment with a domain name system server that associates a telephone number of the user equipment with a domain in which the user equipment has a session initiation protocol service subscription.
11. The non-transitory computer-readable medium of claim 8 , comprising instructions for:
receiving, by the femtocell system, a session initiation protocol call set-up message specifying the session initiation protocol uniform resource identifier as a recipient;
converting the session initiation protocol set-up message into a radio access network-compliant signaling message; and
transmitting the radio access network-compliant signaling message over an air interface to the user equipment.
12. The non-transitory computer-readable medium of claim 8 , comprising instructions for:
receiving, by the femtocell system, a signaling message comprising a call set-up request over an air interface from the user equipment, wherein the signaling message comprises a radio access network-compliant signaling message;
converting the call set-up request into a session initiation protocol request message that includes the session initiation protocol uniform resource identifier as an originator of the session initiation protocol request message; and
transmitting the session initiation protocol request message.
13. The non-transitory computer-readable medium of claim 8 , comprising instructions for transmitting, by the femtocell system, a second registration message for the client with a registrar service, wherein the second registration message includes a first contact comprising a telephone uniform resource identifier comprising a telephone number assigned to the user equipment, and wherein telecommunication services are provided to the user equipment by a macrocellular system subsequent to transmission of the second registration message.
14. The non-transitory computer-readable medium of claim 8 , wherein the session initiation protocol client comprises a user agent.
15. A system, comprising:
a radio access network including a base transceiver station adapted to provide communication services over a first air interface with a user equipment, wherein the first air interface is provisioned by a base transceiver station;
a packet-switched network having a domain with which the user equipment has a session initiation protocol service subscription; and
a femtocell system communicatively coupled with the packet-switched network and having an Internet protocol address assigned thereto, wherein the femtocell system allocates a session initiation protocol client for the user equipment, transmits a first registration message for the client to a registrar service that includes a first contact comprising a session initiation protocol uniform resource identifier assigned to the user equipment, wherein the femtocell system registers with the registrar service a second contact comprising a telephone uniform resource identifier comprising a telephone number assigned to the user equipment.
16. The system of claim 15 , comprising a domain name system server, wherein the femtocell system registers the user equipment with the domain name system server that associates the telephone number of the user equipment with the domain.
17. The system of claim 15 , wherein the femtocell system receives at least one session initiation protocol call set-up message specifying the session initiation protocol uniform resource identifier as a recipient, converts the at least one session initiation protocol set-up message into a radio access network-compliant signaling message, and transmits the radio access network-compliant signaling message over an air interface to the user equipment.
18. The system of claim 15 , wherein the femtocell system receives a signaling message comprising a call set-up request over an air interface from the user equipment, wherein the signaling message comprises a radio access network-compliant signaling message, converts the call set-up request into a session initiation protocol request message that includes the session initiation protocol uniform resource identifier as an originator of the session initiation protocol request message, and transmits the session initiation protocol request message.
19. The system of claim 15 , comprising an Internet Protocol multimedia subsystem communicatively interfaced with the radio access network and the packet-switched network.
20. The system of claim 15 , wherein the order of the first contact and the second contact specifies a preferred contact order for the user equipment.