Techniques for supporting telematics-enhanced emergency calls from mobile phones

1. A method for wireless communication, comprising:

establishing, by a user equipment (UE), a personal telematics-enhanced emergency call to a public safety answering point (PSAP), wherein the UE is capable of transmitting telematics data;

enabling information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

transmitting the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls via in-band signaling.

2. The method of claim 1 , wherein transmitting the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls is to at least one of a serving network, a home network, or the PSAP.

3. The method of claim 1 , wherein the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls comprises an indicator in a service category information element.

4. The method of claim 1 , wherein the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls comprises a plurality of indicators in a service category information element, the plurality of indicators comprising a multi-bit field indicating a personal eCall, an automatic vehicle eCall, a manual vehicle eCall, any combination of the foregoing, or a telematics capability of the UE.

5. The method of claim 1 , wherein the in-band signaling comprises one or more dual-tone multi-frequency (DTMF) tones transmitted prior to transmitting telematics data.

6. The method of claim 1 , further comprising:

receiving, from the PSAP, a request to transmit a set of data to the PSAP based at least in part on the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

transmitting the set of data to the PSAP.

7. A method for wireless communication, comprising:

establishing, by a user equipment (UE), a personal telematics-enhanced emergency call to a public safety answering point (PSAP), wherein the UE is capable of transmitting telematics data;

determining an identifier for the UE to serve as information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls.

8. The method of claim 7 , wherein the identifier for the UE is present in a database accessible to the PSAP or a serving wireless network for the UE.

9. The method of claim 7 , wherein the identifier for the UE comprises at least one of a device model number, a mobile station international subscriber directory number (MSISDN), an international mobile subscriber identity (IMSI), or an international mobile equipment identity (IMEI).

10. The method of claim 7 , further comprising:

transmitting the identifier for the UE prior to transmission of telematics data.

11. The method of claim 7 , further comprising:

receiving, from the PSAP, a request to transmit a set of data to the PSAP based at least in part on the identifier for the UE; and

transmitting the set of data to the PSAP.

12. A method for wireless communication, comprising:

establishing, by a user equipment (UE), a personal telematics-enhanced emergency call to a public safety answering point (PSAP), wherein the UE is capable of transmitting telematics data;

determining a wireless network subscription option to serve as information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

transmitting information that identifies the wireless network subscription option.

13. The method of claim 12 , further comprising:

receiving, from the PSAP, a request to transmit a set of data to the PSAP based at least in part on the wireless network subscription option; and

transmitting the set of data to the PSAP.

14. A method for wireless communication, comprising:

establishing, by a user equipment (UE), a personal telematics-enhanced emergency call to a public safety answering point (PSAP), wherein the UE is capable of transmitting telematics data;

enabling information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

transmitting the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls to a serving wireless network for the UE as an information element during authentication with the serving wireless network.

15. The method of claim 14 , further comprising:

receiving, from the PSAP, a request to transmit a set of data to the PSAP based at least in part on the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

transmitting the set of data to the PSAP.

16. An apparatus for wireless communication, comprising:

means for establishing, by a user equipment (UE), a personal telematics-enhanced emergency call to a public safety answering point (PSAP), wherein the UE is capable of transmitting telematics data;

means for enabling information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

means for transmitting the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls, the means for transmitting the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls transmits the information via in-band signaling.

17. The apparatus of claim 16 , wherein the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls comprises a plurality of indicators in a service category information element, the plurality of indicators comprising a multi-bit field indicating a personal eCall, an automatic vehicle eCall, a manual vehicle eCall, any combination of the foregoing, or a telematics capability of the UE.

18. The apparatus of claim 16 , wherein the in-band signaling comprises one or more dual-tone multi-frequency (DTMF) tones transmitted prior to transmitting telematics data.

19. The apparatus of claim 16 , further comprising:

means for receiving, from the PSAP, a request to transmit a set of data to the PSAP based at least in part on the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

means for transmitting the set of data to the PSAP.

20. An apparatus for wireless communication, comprising:

means for establishing, by a user equipment (UE), a personal telematics-enhanced emergency call to a public safety answering point (PSAP), wherein the UE is capable of transmitting telematics data; and

means for enabling an identifier for the UE to serve as information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls.

21. The apparatus of claim 20 , wherein the identifier for the UE comprises at least one of a device model number, a mobile station international subscriber directory number (MSISDN), an international mobile subscriber identity (IMSI), or an international mobile equipment identity (IMEI).

22. The apparatus of claim 20 , further comprising:

means for transmitting the identifier for the UE prior to transmission of telematics data.

23. The apparatus of claim 20 , further comprising:

means for receiving, from the PSAP, a request to transmit a set of data to the PSAP based at least in part on the identifier for the UE; and

means for transmitting the set of data to the PSAP.

24. An apparatus for wireless communication, comprising:

means for establishing, by a user equipment (UE), a personal telematics-enhanced emergency call to a public safety answering point (PSAP), wherein the UE is capable of transmitting telematics data;

means for enabling a wireless network subscription option to serve as information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

means for transmitting information that identifies the wireless network subscription option.

25. The apparatus of claim 24 , further comprising:

means for receiving, from the PSAP, a request to transmit a set of data to the PSAP based at least in part on the wireless network subscription option; and

transmitting the set of data to the PSAP.

26. An apparatus for wireless communication, comprising:

means for establishing, by a user equipment (UE), a personal telematics-enhanced emergency call to a public safety answering point (PSAP), wherein the UE is capable of transmitting telematics data;

means for enabling information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

means for transmitting the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls, the means for transmitting the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls transmits the information to a serving wireless network for the UE as an information element during authentication with the serving wireless network.

27. The apparatus of claim 26 , further comprising:

means for receiving, from the PSAP, a request to transmit a set of data to the PSAP based at least in part on the information that distinguishes the personal telematics-enhanced emergency call from other types of emergency calls; and

means for transmitting the set of data to the PSAP.