Claims
- 1. A method for interurban dispatch private calling comprising:
receiving, by local network equipment, a service request targeting a communication unit served by remote network equipment, wherein the service request is received from an originating unit served by the local network equipment; sending, by the local network equipment, a request for the remote network equipment to page the communication unit; receiving, by the local network equipment from the remote network equipment, an indication that the communication unit is available; sending, by the local network equipment, a request for the remote network equipment to initialize channel resources to support the service request; receiving, by local network equipment, an indication that the originating unit has completed a transmit session; and sending, by the local network equipment to the remote network equipment, an indication that the originating unit has completed the transmit session.
- 2. The method of claim 1, wherein the service request comprises a dispatch private call request.
- 3. The method of claim 1, wherein the local network equipment and the remote network equipment each comprise communication controllers.
- 4. The method of claim 3, wherein the local network equipment and the remote network equipment each comprise dispatch communication controllers.
- 5. The method of claim 1, wherein the local network equipment is part of a first urban area and the remote network equipment is part of a second urban area.
- 6. The method of claim 1 further comprising:
transmitting, by the local network equipment, a routing request message to a home location register; and receiving, by the local network equipment, a response to the routing request message that identifies the remote network equipment as serving the communication unit.
- 7. The method of claim 6, wherein the communication unit is identified in the routing request message by the Universal Fleet Member Identifier (UFMI) of the communication unit.
- 8. The method of claim 1 further comprising:
receiving, by the local network equipment from the remote network equipment, an indication that channel resources required to support the service request are available to the remote network equipment.
- 9. The method of claim 8, wherein receiving the indication that channel resources are available further comprises:
receiving, by the local network equipment from the remote network equipment, an indication of a bearer gateway in the remote network equipment to support the service request.
- 10. The method of claim 1, wherein sending the request to page the communication unit further comprises:
sending, by the local network equipment to the remote network equipment, an indication of a bearer gateway in the local network equipment to support the service request.
- 11. The method of claim 1 further comprising:
sending, by the local network equipment to the remote network equipment, an indication of a present local call state; and receiving, by the local network equipment from the remote network equipment, an indication that a present remote call state is synchronized with the present local call state.
- 12. The method of claim 1 further comprising:
receiving, by the local network equipment from the remote network equipment, an indication that the communication unit has requested to talk; determining, by the local network equipment, whether talk privileges remain unassigned; sending, by the local network equipment to the remote network equipment, an indication that the communication unit is granted talk privileges for a transmit session; and receiving, by the local network equipment from the remote network equipment, an indication that the communication unit has completed the transmit session.
- 13. The method of claim 1 further comprising:
sending, by the local network equipment to the remote network equipment, an indication to terminate support of the service request.
- 14. The method of claim 1 further comprising:
receiving, by the local network equipment from the remote network equipment, an indication to terminate support of the service request.
- 15. The method of claim 1 further comprising:
receiving, by local network equipment, a dispatch call alert request targeting a call alert unit served by remote network equipment, wherein the dispatch call alert request is received from a call alert originating unit served by the local network equipment; and sending, by the local network equipment, a request for the remote network equipment to page the call alert unit with a call alert from the call alert originating unit.
- 16. The method of claim 15 further comprising:
receiving, by local network equipment from remote network equipment, a response to the dispatch call alert request.
- 17. A method for interurban dispatch private calling comprising:
receiving, by remote network equipment from local network equipment, a request for the remote network equipment to page a communication unit, wherein the communication unit is targeted by a local service request; sending, by the remote network equipment to the local network equipment, an indication that the communication unit is available; receiving, from the local network equipment, a request for the remote network equipment to initialize channel resources to support the local service request; and receiving, by the remote network equipment from the local network equipment, an indication that a service originating unit has completed a transmit session, wherein the service originating unit is served by the local network equipment.
- 18. The method of claim 17 further comprising:
sending, by the remote network equipment to the communication unit, an indication that the service originating unit has completed the transmit session.
- 19. The method of claim 17 further comprising:
paging, by the remote network equipment, the communication unit.
- 20. The method of claim 17 further comprising:
sending, by the remote network equipment to the local network equipment, an indication that channel resources required to support the local service request are available to the remote network equipment.
- 21. The method of claim 20, wherein sending the indication that channel resources are available further comprises:
sending, by the remote network equipment to the local network equipment, an indication of a bearer gateway in the remote network equipment to support the local service request.
- 22. The method of claim 17, wherein receiving the request to page the communication unit comprises:
receiving, by the remote network equipment from the local network equipment, an indication of a bearer gateway in the local network equipment to support the local service request.
- 23. The method of claim 17 further comprising:
receiving, by the remote network equipment from the communication unit, a request to talk; sending, by the remote network equipment to the local network equipment, an indication that the communication unit has requested to talk; receiving, by the remote network equipment from the local network equipment, an indication that the communication unit is granted talk privileges for a transmit session; receiving, by the remote network equipment, an indication that the communication unit has completed a transmit session; and sending, by the remote network equipment to the local network equipment, an indication that the communication unit has completed the transmit session.
- 24. The method of claim 17 further comprising:
sending, by the remote network equipment to the local network equipment, an indication to terminate support of the local service request.
- 25. The method of claim 17 further comprising:
receiving, by the remote network equipment from the local network equipment, an indication to terminate support of the local service request.
- 26. The method of claim 17 further comprising:
receiving, by the remote network equipment from the local network equipment, an indication of a present local call state; comparing, by the remote network equipment the present remote call state and the present local call state; and sending, by the remote network equipment to the local network equipment, an indication that a present remote call state is synchronized with the present local call state.
- 27. The method of claim 17 further comprising:
receiving, by the remote network equipment from the local network equipment, a request for the remote network equipment to page a call alert unit with a call alert from a call alert originating unit; and paging, by the remote network equipment, the call alert unit with a call alert from the call alert originating unit.
- 28. The method of claim 27 further comprising:
sending, by remote network equipment to local network equipment, a response to the request to page a call alert unit with a call alert.
- 29. A communication controller comprising:
a network transceiver; and a processor adapted to perform, using the network transceiver, receiving a service request targeting a communication unit served by remote network equipment, wherein the service request is received from an originating unit served by the communication controller, sending a request for the remote network equipment to page the communication unit, receiving from the remote network equipment an indication that the communication unit is available, sending a request for the remote network equipment to initialize channel resources to support the service request, receiving an indication that the originating unit has completed a transmit session, and sending to the remote network equipment an indication that the originating unit has completed the transmit session.
- 30. The communication controller of claim 29, wherein the communication controller is part of a first urban area and the remote network equipment is part of a second urban area.
- 31. A communication controller comprising:
a network transceiver; and a processor adapted to perform, using the network transceiver, receiving from local network equipment a request for the communication controller to page a communication unit, wherein the communication unit is targeted by a local service request, sending to the local network equipment an indication that the communication unit is available, receiving from the local network equipment a request for the communication controller to initialize channel resources to support the local service request, receiving from the local network equipment an indication that a service originating unit has completed a transmit session, wherein the service originating unit is served by the local network equipment, and sending to the communication unit an indication that the service originating unit has completed the transmit session.
- 32. The communication controller of claim 31, wherein the communication controller is part of a first urban area and the remote network equipment is part of a second urban area.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is related to a co-pending application entitled “METHOD AND APPARATUS FOR INTERURBAN DISPATCH GROUP CALLING,” filed on even date herewith, assigned to the assignee of the instant application, and hereby incorporated by reference.