10.4 Timers of Multicast/Broadcast Services

24.5013GPPNon-Access-Stratum (NAS) protocol for 5G System (5GS)Release 17Stage 3TS

Timers of 5GS session management are shown in table 10.4.1.

Table 10.4.1: Timers of Multicast/Broadcast Services

TIMER NUM.

TIMER VALUE

STATE

CAUSE OF START

NORMAL STOP

ON
EXPIRY

T35zx

As described in subclause 6.3.2.3

PDU SESSION ACTIVE

PDU SESSION MODIFICATION COMMAND received with Received MBS information that includes MBS Decision set to "MBS join is rejected" and Rejection cause set to "MBS session has not started or will not start soon" and an MBS back-off timer value

None

Initiating a request to join the MBS session associated with the PDU session if still needed

Annex A (informative):
Cause values for 5GS mobility management