Wireless messaging using an enhanced quality-of-service (QoS)

1. A method of operating a wireless communication network to transfer a user message for a wireless User Equipment (UE) using enhanced Quality-of-Service (QoS), the method comprising:

provisioning circuitry transferring a QoS code that is associated with the enhanced QoS for delivery to Subscriber Identity Module (SIM) circuitry in the wireless UE;

the SIM circuitry in the wireless UE receiving and storing the QoS code;

processing circuitry in the wireless UE receiving the user message for transfer using the enhanced QoS, and in response, retrieving the QoS code from the SIM circuitry and wirelessly transferring a network message having the user message and the QoS code for delivery to messaging circuitry in the wireless communication network;

the messaging circuitry receiving the network message having the user message and the QoS code, and in response to the QoS code, adding a QoS header to the network message that corresponds to the enhanced QoS and handling the network message having the QoS header with the enhanced QoS; and

the messaging circuitry generating a new network message having the QoS header for the enhanced QoS and the user message, handling the new network message having the QoS header with the enhanced QoS, and transferring the new network message having the QoS header and the user message for delivery to a destination.

2. The method of claim 1 wherein the QoS code comprises a domain name associated with the messaging circuitry.

3. The method of claim 1 wherein the enhanced QoS comprises a Session Initiation Protocol (SIP) message overload exemption in the messaging circuitry.

4. The method of claim 1 wherein the enhanced QoS comprises Wireless Priority Service (WPS).

5. The method of claim 1 wherein the user message comprises an Internet Protocol Short Message (IPSM).

6. The method of claim 1 wherein the network message comprises a Session Initiation Protocol (SIP) message.

7. The method of claim 1 wherein the messaging circuitry comprises a Proxy Call State Control Function (P-CSCF).

8. The method of claim 1 wherein the messaging circuitry comprises a Serving Call State Control Function (S-CSCF).

9. The method of claim 1 wherein the messaging circuitry comprises an Internet Protocol Short Message Gateway (IPSM-GW).

10. The method of claim 1 wherein:

the processing circuitry wirelessly transferring the network message comprises wirelessly transferring the network message using an Establishment Cause that is associated with the enhanced QoS; and

the wireless communication network transfers the network message using the enhanced QoS from the wireless UE to the messaging circuitry responsive to the Establishment Cause.

11. A wireless communication network to transfer a user message for a wireless User Equipment (UE) using enhanced Quality-of-Service (QoS), the wireless communication network comprising:

provisioning circuitry configured to transfer a QoS code that is associated with the enhanced QoS for delivery to Subscriber Identity Module (SIM) circuitry in the wireless UE;

the SIM circuitry in the wireless UE configured to receive and store the QoS code;

processing circuitry in the wireless UE configured to receive the user message for transfer using the enhanced QoS, and in response, retrieve the QoS code from the SIM circuitry and wirelessly transfer a network message having the user message and the QoS code for delivery to messaging circuitry in the wireless communication network;

the messaging circuitry configured to receive the network message having the user message and the QoS code, and in response to the QoS code, add a QoS header to the network message that corresponds to the enhanced QoS and handle the network message having the QoS header with the enhanced QoS; and

the messaging circuitry configured to generate a new network message having the QoS header for the enhanced QoS and the user message, handle the new network message having the QoS header with the enhanced QoS, and transfer the new network message having the QoS header and the user message for delivery to a destination.

12. The wireless communication network of claim 11 wherein the QoS code comprises a domain name associated with the messaging circuitry.

13. The wireless communication network of claim 11 wherein the enhanced QoS comprises a Session Initiation Protocol (SIP) message overload exemption in the messaging circuitry.

14. The wireless communication network of claim 11 wherein the enhanced QoS comprises Wireless Priority Service (WPS).

15. The wireless communication network of claim 11 wherein the user message comprises an Internet Protocol Short Message (IPSM).

16. The wireless communication network of claim 11 wherein the network message comprises a Session Initiation Protocol (SIP) message.

17. The wireless communication network of claim 11 wherein the messaging circuitry comprises a Proxy Call State Control Function (P-CSCF).

18. The wireless communication network of claim 11 wherein the messaging circuitry comprises a Serving Call State Control Function (S-CSCF).

19. The wireless communication network of claim 11 wherein the messaging circuitry comprises an Internet Protocol Short Message Gateway (IPSM-GW).

20. The wireless communication network of claim 11 wherein:

the processing circuitry is configured to wirelessly transfer the network message using an Establishment Cause that is associated with the enhanced QoS; and

the wireless communication network is configured to transfer the network message using the enhanced QoS from the wireless UE to the messaging circuitry responsive to the Establishment Cause.