Tech-
invite
3GPP
space
IETF
space
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4‑5x
Content for
TS 24.282
Word version: 18.1.0
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16
Emergency Alert
16.1
General
16.2
On-network emergency alert
16.3
Off-network emergency alert
...
16
Emergency Alert
|R16|
p. 347
16.1
General
p. 347
16.2
On-network emergency alert
p. 347
16.2.1
Client procedures
p. 347
16.2.1.1
Emergency alert origination
p. 347
16.2.1.2
Emergency alert cancellation
p. 349
16.2.1.3
MCData client receives an MCData emergency alert or communication notification
p. 350
16.2.1.4
MCData client receives notification of entry into or exit from a group geographic area
|R17|
p. 352
16.2.1.5
MCData client receives notification of entry into or exit from an emergency alert area
|R17|
p. 353
16.2.2
Participating MCData function procedures
p. 353
16.2.2.1
Receipt of a SIP MESSAGE request for emergency notification from the served MCData client
p. 353
16.2.2.2
Receipt of a SIP MESSAGE request for emergency notification for terminating MCData client
p. 355
16.2.2.3
Receipt of a SIP MESSAGE request indicating successful delivery of emergency notification
p. 356
16.2.3
Controlling MCData function procedures
p. 356
16.2.3.1
Handling of a SIP MESSAGE request for emergency notification
p. 356
16.2.3.2
Handling of a SIP MESSAGE request for emergency alert cancellation
p. 358
16.3
Off-network emergency alert
p. 361
16.3.1
General
p. 361
16.3.2
Basic state machine
p. 361
16.3.2.1
General
p. 361
16.3.2.2
Emergency alert state machine
p. 361
16.3.2.3
Emergency alert states
p. 361
16.3.2.3.1
E1: Not in emergency state
p. 361
16.3.2.3.2
E2: Emergency state
p. 361
16.3.3
Procedures
p. 362
16.3.3.1
Originating user sending emergency alert
p. 362
16.3.3.2
Emergency alert retransmission
p. 362
16.3.3.3
Terminating user receiving emergency alert
p. 362
16.3.3.4
Terminating user receiving retransmitted emergency alert
p. 363
16.3.3.5
Originating user cancels emergency alert
p. 363
16.3.3.6
Terminating user receives GROUP EMERGENCY ALERT CANCEL message
p. 363
16.3.3.7
Implicit emergency alert cancel
p. 364