Server component redirection of new media path portion between packet-switched and circuit-switched portions of mobile switching center

1. An apparatus, comprising:

a server component of a mobile switching center that causes a redirection, between a packet-switched portion of the mobile switching center and a circuit-switched portion of the mobile switching center, of a portion of a new media path, wherein the server component causes the redirection after receipt of a session initiation protocol message to complete an incoming call to a called mobile telephone and upon a determination that the called mobile telephone is already receiving a call on the circuit-switched portion.

2. The apparatus of claim 1 , wherein the server component sends a redirection message to a controller component of the mobile switching center to cause the redirection of the portion of the new media path.

3. The apparatus of claim 2 in combination with the controller component,

wherein the controller component employs the redirection message to cause the redirection of the portion of the new media path from a first media path to a second media path.

4. The apparatus of claim 3 , wherein the first media path comprises a media path through the packet-switched portion of the mobile switching center, and wherein the second media path comprises a media path through the circuit-switched portion of the mobile switching center; and

wherein the controller component performs an alternate routing to cause the redirection of the portion of the new media path from the media path through the packet-switched portion of the mobile switching center to the media path through the circuit-switched portion of the mobile switching center.

5. The apparatus of claim 3 , wherein the first media path comprises a media path through the circuit-switched portion of the mobile switching center, and wherein the second media path comprises a media path through the packet-switched portion of the mobile switching center; and

wherein the controller component performs an alternate routing to cause the redirection of the portion of the new media path from the media path through the circuit-switched portion of the mobile switching center to the packet-switched portion of the mobile switching center.

6. The apparatus of claim 3 , wherein the server component allocates one or more network resources for the second media path; and

wherein the controller component performs an alternate routing to cause the redirection of the portion of the new media path from the first media path to the second media path through the one or more network resources.

7. The apparatus of claim 3 , wherein a calf origination message for the portion of the new media path comprises an identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the call origination message, the identifier, and the dialing plan; and

wherein the controller component employs one or more of the call origination message, the identifier, and a dialing plan to perform the alternate routing.

8. The apparatus of claim 3 , wherein a call origination message for the portion of the new media path comprises an identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the call origination message, the identifier, and a first dialing plan; and

wherein the controller component employs one or more of the call origination message, the identifier, and the second dialing plan to perform the alternate routing.

9. The apparatus of claim 3 , wherein a call origination message for the portion of the new media path comprises an identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the call origination message, the identifier, a the first dialing plan; and

wherein the server component determines a second dialing plan; and

wherein the controller component employs one or more of the call origination message, the identifier, and the second dialing plan to perform the alternate routing.

10. The apparatus of claim 3 , wherein a call origination message for the portion of the new media path comprises a first identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the call origination message, the first identifier, and a dialing plan; and

wherein the server component determines a second identifier of the mobile telephone; and

wherein the controller component employs one or more of the call origination message, the second identifier, and the dialing plan to perform the alternate routing.

11. The apparatus of claim 3 , wherein a call origination message for the portion of the new media path comprises a first identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the call origination message, the first identifier, and a first dialing plan; and

wherein the server component determines a second identifier of the mobile telephone; and

wherein the controller component employs one or more of the call origination message, the second identifier, and a second dialing plan to perform the alternate routing.

12. The apparatus of claim 3 , wherein the server component performs the alternate routing.

13. The apparatus of claim 1 , wherein the server component causes the redirection of the portion of the new media path from a first media path to a second media path.

14. The apparatus of claim 13 , wherein the first media path comprises a media path through the packet-switched portion of the mobile switching center, and wherein the second media path comprises a media path through the circuit-switched portion of the mobile switching center; and

wherein the server component causes the redirection of the portion of the new media path from the media path through the packet-switched portion of the mobile switching center to the media path through the circuit-switched portion of the mobile switching center.

15. The apparatus of claim 13 , wherein the first media path comprises a media path through the circuit-switched portion of the mobile switching center, and wherein the second media path comprises a media path through the packet-switched portion of the mobile switching center; and

wherein the server component causes the redirection of the portion of the new media path from the media path through the circuit-switched portion of the mobile switching center to the packet-switched portion of the mobile switching center.

16. The apparatus of claim 13 , wherein the server component allocates one or more network resources for the second media path; and

wherein the server component causes the redirection of the portion of the new media path from the first media path to the second media path through the one or more network resources.

17. The apparatus of claim 13 , wherein a call origination message for the portion of the new media path comprises an identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the call origination message, the identifier, and a dialing plan; and

wherein the server component employs one or more of the call origination message, the identifier, and the dialing plan to determine the second media path.

18. The apparatus of claim 13 , wherein a call origination message for the portion of the new media path comprises an identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the calf origination message, the identifier, and a first dialing plan; and

wherein the server component employs one or more of the call origination message, the identifier, and a second dialing plan to determine the second media path.

19. The apparatus of claim 13 , wherein a call origination message for the portion of the new media path comprises a first identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the call origination message, the first identifier, and a dialing plan; and

wherein the server component determines a second identifier of the mobile telephone; and

wherein the server component employs one or more of the call origination message, the second identifier, and the dialing plan to determine the second media path.

20. The apparatus of claim 13 . wherein a call origination message for the portion of the new media path comprises a first identifier of a mobile telephone served by the mobile switching center, and wherein the first media path is based on one or more of the call origination message, the first identifier, and a first dialing plan; and

wherein the server component determines a second identifier of the mobile telephone; and

wherein the server component employs one or more of the call origination message, the second identifier, and a second dialing plan to determine the second media path.

21. The apparatus of claim 1 , wherein the server component supports bearer independent call control (BICC) protocol.

22. The apparatus of claim 1 , wherein the redirection comprises a session initiation protocol message.

23. A method, comprising the steps of:

redirecting a portion of a new media path, for an incoming call, between a packet-switched portion of a mobile switching center and a circuit-switched portion of the mobile switching center upon receipt of a call origination message for the incoming call; and

performing the redirecting step after receipt of a session initiation protocol message to complete the incoming call to a called mobile telephone and upon a determination that the called mobile telephone is already receiving a call on the circuit-switched portion.

24. The method of claim 23 , further comprising the step of:

determining the second media path, wherein the first media path and the second media path comprise different media paths.

25. The method of claim 23 , further comprising the step of:

sending a redirection message to a controller component to cause a redirection of the portion of the new media path from a first media path to a second media path.

26. The method of claim 25 . wherein the first media path is based on an identifier and a first dialing plan, and wherein the step of determining the second media path comprises the steps of:

determining a second dialing plan;

determining the second media path based on the identifier and a second dialing plan.

27. The method of claim 25 wherein the first media path is based on a first identifier and a dialing plan, and wherein the step of determining the second media path comprises the steps of:

determining a second identifier;

determining the second media path based on the second identifier and the dialing plan.

28. The method of claim 25 , wherein the first media path is based on a first identifier and a first dialing plan, and wherein the step of determining the second media path comprises the steps of:

determining a second identifier;

determining a second dialing plan;

determining the second media path based on the second identifier and the second dialing plan.

29. A computer-readable medium having computer executable instructions for performing steps, comprising:

means in the one or more media for redirecting a portion of a new media path, for an incoming call, between a packet-switched portion of a mobile switching center and a circuit-switched portion of the mobile switching center upon receipt of a call origination message for the incoming call; and

means in the one or more media for performing the redirecting after receipt of a session initiation protocol message to complete the incoming call to a called mobile telephone and upon a determination that the called mobile telephone is already receiving a call on the circuit-switched portion.

30. An apparatus, comprising:

a server component of a mobile switching center that causes a redirection, between a packet-switched portion of the mobile switching center and a legacy circuit-switched portion of the mobile switching center, of a portion of a new media path for a call to a mobile telephone;

wherein the server component causes the redirection of the portion of the new media path from a first media path to a second media path after receipt of a session initiation protocol message to complete the call to the mobile telephone along the first media path and after a determination that the first media path is unable to currently handle the call to the mobile telephone.

31. The apparatus of claim 30 , wherein the determination comprises a determination that the first media path lacks a capacity to handle the call, the mobile telephone is already receiving another call through the second media path, and/or the first media path is not able to provide a service or level of quality desired by a user of the mobile telephone.

32. The apparatus of claim 30 , wherein the server component determines the second media path; and

wherein the first media path comprises a media path through the legacy circuit-switched portion of the mobile switching center, and wherein the second media path comprises a media path through the packet-switched portion of the mobile switching center.

33. The apparatus of claim 32 , wherein the server component receives a call origination message that comprises a first identifier of the mobile telephone; and

wherein the server component determines the media path through the packet-switched portion of the mobile switching center through employment of one or more of the call origination message, the first identifier of the mobile telephone, and a first or second dialing plan.

34. The apparatus of claim 32 , wherein the server component receives a call origination message that comprises a first identifier of the mobile telephone; and

wherein the server component determines a second identifier of the mobile telephone; and

wherein the server component determines the media path through the packet-switched portion of the mobile switching center through employment of one or more of the call origination message, the second identifier, and a first or a second dialing plan.

35. The apparatus of claim 30 , wherein the first media path comprises a media path through the packet-switched portion of the mobile switching center, and wherein the second media path comprises a media path through the circuit-switched portion of the mobile switching center; and

wherein a controller component performs an alternate routing to cause the redirection of the portion of the new media path from the media path through the packet-switched portion of the mobile switching center to the media path through the circuit-switched portion of the mobile switching center.