Managing local emergency numbers
Described herein is a system and method in a user equipment (UE) supporting registration using third generation partnership project (3GPP) access and using non-3GPP access, the method comprising storing, in a memory of the UE, first emergency information received using first registration procedures; receiving, by the UE, a REGISTRATION ACCEPT message using second registration procedures via non-3GPP access; and keeping, in the memory, the first emergency information after receiving the REGISTRATION ACCEPT message.
1. A method in a user equipment (UE) supporting registration using third generation partnership project (3GPP) access and using non-3GPP access, the method comprising:
storing, by the UE, first emergency information received using first registration procedures;
receiving, by the UE communicating with a 5G Core, a REGISTRATION ACCEPT message using second registration procedures via non-3GPP access; and
keeping, by the UE, the first emergency information after receiving the REGISTRATION ACCEPT message.
2. The method of claim 1 , wherein the first registration procedures comprise registration procedures with a first network.
3. The method of claim 2 , wherein the registration procedures with the first network comprise registration procedures via 3GPP access.
4. The method of claim 2 , wherein the second registration procedures comprise registration procedures with a second network.
5. The method of claim 4 , wherein the first network and the second network are different.
6. The method of claim 2 , wherein the first emergency information is valid at the first network.
7. The method of claim 1 , further comprising storing, by the UE, an indication of an access type via which the first emergency information was received.
8. The method of claim 1 , wherein the REGISTRATION ACCEPT message contains no emergency information.
9. The method of claim 1 , wherein the first emergency information comprises an extended emergency number list information element (IE) or data from an extended emergency number list IE.
10. The method of claim 1 , wherein the REGISTRATION ACCEPT message is received from a network of a different country than a country associated with a current location of the UE.
11. The method of claim 1 , wherein the REGISTRATION ACCEPT message contains second emergency information.
12. The method of claim 11 , wherein keeping the first emergency information comprises discarding the second emergency information.
13. The method of claim 1 , wherein the first or second registration procedures comprise registering a presence of the UE by at least one of a tracking area update procedure, an attach procedure in an evolved packet system (EPS), or a registration procedure in a 5G system (5GS).
14. A user equipment (UE) supporting registration using third generation partnership project (3GPP) access and using non-3GPP access, the UE comprising:
a memory; and
a processor coupled to the memory, the processor configured to:
store first emergency information received using first registration procedures;
receive, via communication with a 5G Core, a REGISTRATION ACCEPT message using second registration procedures via non-3GPP access; and
keep the first emergency information after receiving the REGISTRATION ACCEPT message.
15. The UE of claim 14 , wherein the first registration procedures comprise registration procedures with a first network via 3GPP access.
16. The UE of claim 15 , wherein the second registration procedures comprise registration procedures with a second network.
17. The UE of claim 14 , wherein the processor is further configured to store an indication of an access type via which the first emergency information was received.
18. The UE of claim 14 , wherein the first emergency information comprises an extended emergency number list information element (IE) or data from an extended emergency number list IE.
19. The UE of claim 14 , wherein the REGISTRATION ACCEPT message is received from a network of a different country than a country associated with a current location of the UE.
20. A non-transitory computer readable medium comprising instructions that when executed by a user equipment (UE) supporting registration using third generation partnership project (3GPP) access and using non-3GPP access, cause the UE to:
store first emergency information received using first registration procedures;
receive, via communication with a 5G Core, a REGISTRATION ACCEPT message using second registration procedures via non-3GPP access; and
keep the first emergency information after receiving the REGISTRATION ACCEPT message.