IP-CAN | Normal Access |
Emergency support |
Insufficient Security Credentials |
---|---|---|---|
GPRS (UTRAN) | X | X | X |
Fixed Broadband | X | X | X |
cdma2000 HRPD/PDS | X | X | X |
cdma2000 HRPD/EPC | X | X | X |
EPS (UTRAN and E-UTRAN) | X | X | X |
WLAN access to EPS | X (Note 1) | X | – |
5GS (NG-RAN) | X | X | X |
non-3GPP access to 5GC | X (Note 1) | X | – |
CS Attached | PS Attached | VoIMS | EMS | First EMC Attempt | Second EMC Attempt | |
---|---|---|---|---|---|---|
A | N | Y | Y | Y | PS | CS if available and supported (Note 7) |
B | N | Y | N | Y | PS or CS if the emergency session includes at least voice. PS if the emergency session contains only media other than voice. | PS if first attempt in CS CS if first attempt in PS (Note 7) |
C | N | Y | Y or N | N | PS if ESFB is "Y" (Note 5). Else CS or PS for another 3GPP RAT with EMS or ESFB set to "Y" if available and supported and if the emergency session includes at least voice. Else PS for another 3GPP RAT with EMS or ESFB set to "Y" if available and supported if the emergency session contains only media other than voice. | PS if first attempt in CS CS if first attempt in PS Note 7) |
D | Y | N | Y or N | Y or N | CS if the emergency session includes at least voice. PS if available and EMS or ESFB is "Y" and emergency session contains only media other than voice. | PS if available and EMS or ESFB is "Y" |
E | Y | Y | Y | Y | If the emergency session includes at least voice, follow rules in TS 22.101 which say to use the same domain as for a non-EMC (Note 2) PS if the emergency session contains only media other than voice. | PS if first attempt in CS CS if first attempt in PS |
F | Y | Y | Y or N | N | PS if ESFB is "Y" (Note 5). Else PS for another 3GPP RAT with EMS if available and supported or CS, if the emergency session includes at least voice. | CS if first attempt in PS PS for another 3GPP RAT if available and supported and EMS or ESFB is "Y" if first attempt in CS. |
G | Y | Y | N | Y | CS if the emergency session includes at least voice. PS if the emergency session contains only media other than voice. | PS |
EMC
Emergency Session. EMC includes also normal calls initiated in the CS domain that are treated by the CS CN as emergency calls.
VoIMS
Voice over IMS over PS sessions support as indicated by IMS Voice over PS session supported indication as defined in TS 23.401, TS 23.060 and TS 23.502.
EMS
IMS Emergency Services supported as indicated by Emergency Service Support indicator as defined in TS 23.401, TS 23.060, TS 23.501 and TS 23.502.
ESFB
|
PS Available | VoIMS | EMS | ECL | First eCall Attempt | Second eCall Attempt | |
---|---|---|---|---|---|---|
A | Y | Y | Y | Y | PS | CS if available |
B | Y | Y | Y | N | CS if available | PS (UE establishes IMS emergency session) |
C | Y | Y or N | N | N | CS if available | PS on another PS RAT if available with EMS=Y or EMS unknown |
D | Y | N | Y | Y | PS or CS if available | CS if first attempt in PS PS if first attempt in CS |
E | Y | N | Y | N | CS if available | PS (UE establishes IMS emergency session) |
F | N | - | - | CS if available | ||
VoIMS
Voice over IMS over PS sessions support as indicated by IMS Voice over PS session supported indication as defined in TS 23.401 and TS 23.502.
EMS
IMS Emergency Services supported as indicated by Emergency Service Support indicator as defined in TS 23.401 and TS 23.501 and TS 23.502.
ECL
|