Method and system for managing communications for a multi-mode communications device

1. A method for managing communications for a multi-mode communications device, comprising:

establishing a data session between the multi-mode communications device and at least a first wireless network;

receiving at the first wireless network, from the multi-mode communications device, and indication of the multi-mode nature of the multi-mode communications device such that the first wireless network is made aware that the multi-mode communications device is capable of communicating with a second wireless network; and

in response to receiving the indication, the first wireless network switching the data session from a first dormant-to-active transition mode to a second dormant-to-active transition mode, wherein the second dormant-to-active transition mode helps to maintain the data session if the multi-mode communications device has also established communications with a second wireless network.

2. The method according to claim 1 , wherein the receiving comprises receiving a message at the first wireless network after the first wireless network attempts to transition the data session from a dormant state to an active state.

3. The method according to claim 2 , wherein the message indicates to the first wireless network that the multi-mode communications device is busy and to (1) maintain the data session; (2) terminate the data session; (3) send a negative acknowledgement to another party participating in the data session if the data session is to be terminated; (4) maintain the data session for a predetermined amount of time; (5) again attempt to transition the data session from the dormant state to the active state in a predetermined amount of time; or (6) attempt the transition for a predetermined number of tries.

4. The method according to claim 3 , wherein the predetermined amount of time that the data session is to be maintained and the number of re-attempts to transition the data session from the dormant state to the active state are greater in magnitude as compared to the message not being sent to the first wireless network.

5. The method according to claim 1 , wherein the receiving is performed when the multi-mode communications device registers with the first wireless network.

6. The method according to claim 5 , further comprising:

receiving from the first wireless network a request to transition the data session from a dormant state to an active state; and

in response, responding to the request and transitioning the data session from the dormant state to the active state or in response, ignoring the request, which causes the first wireless network to take action that complies with the second dormant-to-active transition mode.

7. The method according to claim 1 , wherein establishing the data session comprises establishing communications with at least the first wireless network and at least a second wireless network.

8. The method according to claim 7 , wherein the first wireless network is an interconnect wireless system and the second wireless network supports dispatch communications.

9. A method for managing communications for a multi-mode communications device, comprising:

in a first wireless network, establishing a data session with the multi-mode communications device; and

in response to a receipt of an indication of the multi-mode nature of the multi-mode communications device by the first communication network, the first wireless network switching the data session from a first dormant-to-active transition mode to a second dormant-to-active transition mode, wherein the second dormant-to-active transition mode helps to maintain the data session with the first communications network, if the multi-mode communications device has also established communications with a second wireless network.

10. The method according to claim 9 , further comprising attempting to transition the data session from a dormant state to an active state and wherein the indication is a message received by the first wireless network after the attempt is initiated.

11. The method according to claim 9 , wherein the indication is received by the first wireless network when the multi-mode communications device registers with the first wireless network.

12. The method according to claim 9 , wherein the first wireless network is an interconnect wireless system and the second wireless network supports dispatch communications.

13. A system of a plurality of wireless networks, comprising:

a first transceiver in a multi-mode communications device for communicating with a first wireless network;

a second transceiver in the multi-mode communications device for communicating with a second wireless network; and

a processor in the multi-mode communications device communicatively coupled to the first and second wireless networks, wherein the processor is programmed to:

at least instruct the first transceiver to establish a data session with the first wireless network; and

generate an indication for the first wireless network that advises the first wireless network of the multi-mode nature of the multi-mode communications device such that the first wireless network is made aware that the multi-mode communications device is capable of communicating with a second wireless network;

wherein, in response to a receipt of the indication of the multi-mode nature of the multi-mode communications device, the first wireless network switching the data session from a first dormant-to-active transition mode to a second dormant-to-active transition mode, and further wherein the second dormant-to-active transition mode helps to maintain the data session if the multi-mode communications device has also established communications with a second wireless network.

14. The system according to claim 13 , wherein the processor is further programmed to at least instruct the second transceiver to establish communications with the second wireless network.

15. The system according to claim 13 , wherein the processor is further programmed to generate the indication by generating a message for transmission to the first wireless network after the first wireless network attempts to transition the data session from a dormant state to an active state.

16. The system according to claim 15 , wherein the generated message indicates to the first wireless network that the multi-mode communications device is busy and to (1) maintain the data session; (2) terminate the data session; (3) send a negative acknowledgement to another party participating in the data session if the data session is to be terminated; (4) maintain the data session for a predetermined amount of time; (5) again attempt to transition the data session from the dormant state to the active state in a predetermined amount of time; or (6) attempt the transition for a predetermined number of tries.

17. The system according to claim 13 , wherein the first wireless network is an interconnect wireless system and the second wireless network supports dispatch communications.

18. The system according to claim 13 , wherein the processor is further programmed to generate the indication by generating a message for transmission to the first wireless network when the multi-mode communications device registers with the first wireless network.

19. The system according to claim 13 , further comprising a push-to-talk button for conducting dispatch communications.