Timers of mobility management 3GPP TS 24.008: Mobility management timers – MS-side TIMER
MM STATE
NUM. T3210
LOCATION UPDATING INITIATED
TIME OUT VAL. 20s
T3211
MM IDLE,
15s
T3212
MM IDLE
Note 1
T3213
LOCATION UPDATING INITIATED
4s
T3214
LOCATION UPDATING INITIATED
20s
WAIT FOR OUTGOING MM CONNECTION
T3216
IMSI DETACH INITIATED LOCATION UPDATING INITIATED
15s
WAIT FOR OUTGOING MM CONNECTION
T3218
IMSI DETACH INITIATED LOCATION UPDATING INITIATED
20s
WAIT FOR OUTGOING MM CONNECTION IMSI DETACH INITIATED
T3220
IMSI DETACH INITIATED
5s
T3230
WAIT FOR OUTGOING MM CONNECTION
15s
WAIT FOR ADDITIONAL OUTGOING MM
T3240
WAIT FOR REESTABLISH WAIT FOR NETWORK COMMAND LOCATION UPDATE REJECTED
10s
T3241
RR CONNECTION RELEASE NOT ALLOW ED
300s
T3242
All except NULL
3600s
T3243
All except NULL
900s
NOTE 1: The timeout value is broadcasted in a SYSTEM INFORMATION message.
3GPP TS 24.008: Mobility management timers – network-side TIMER NUM. T3250
MM STATE TMSI REALLOCATION INITIATED
T3255
TIME OUT VAL. 12s Note
T3260
AUTHENTICATION INITIATED
12s
T3270
IDENTIFICATION INITIATED
12s
NOTE 2: The value of this timer is not specified by this recommendation.
Timer T3240 and Timer T3241 Timer T3240 is started in the mobile station when: - the mobile station receives a LOCATION UPDATING ACCEPT message completing a locat - the mobile mobile station station receives receives a LOCATION LOCATION UPDATING UPDATING REJECT REJECT message message in the cases specif specif - the mobile station has sent a CM SERVICE ABORT message as specified in subclause4.5. - the mobile station has released or aborted all MM connections in the cases specified in 4.3. Timer T3240 is stopped, reset, and started again at receipt of an MM message. Timer T3240 is stopped and reset (but not started) at receipt of a CM message that initiates es Timer T3241 is started in the mobile station when entering MM state RR CONNECTION RELE Timer T3241 is stopped and reset (but not started) when the MM state RR CONNECTION R E If timer T3241 expires, the MS shall abort the RR connection and enter the MM state MM IDLE
Timers of GPRS mobility mobil ity management 3GPP TS 24.008: GPRS Mobility management timers – MS side TIMER NUM.
STATE
TIMER VALUE
T3310
GMMREG-INIT
15s
T3311
GMM-DEREG ATTEMPTING TO ATTACH or
15s
GMM-REG ATTEMPTING TO UPDATE
T3316
GMMREG-INIT
30s
GMM-REG GMM-DEREG-INIT GMM-RA-UPDATING-INT GMM-SERV-REQ-INIT (Iu mode only)
T3318
T3320
GMMREG-INIT GMM-REG GMM-DEREG-INIT GMM-RA-UPDATING-INT GMM-SERV-REQ-INIT (Iu mode only) GMMREG-INIT
20s
15s
T3321
GMM-REG GMM-DEREG-INIT GMM-RA-UPDATING-INT GMM-SERV-REQ-INIT (Iu mode only) GMM-
15s
T3330
DEREG-INIT GMM-ROUTING-UPDATING-INITIATED
15s
T3340
GMM-
10s
REG-INIT (Iu mode only) GMM-DEREG-INIT GMM-RA-UPDATING-INT GMM-SERV-REQ-INIT (Iu mode only) GMM-ATTEMPTING-TO-UPDATE-MM GMM-REG-NORMAL-SERVICE
3GPP TS 24.008: GPRS Mobility management timers – MS side TIMER NUM.
STATE
TIMER VALUE
T3302
GMM-DEREG
Default 12 min
or
Note 1
T3312
GMM-REG
Note 5
GMM-REG
Default 54 min
T3314
All except GMM-DEREG
READY (A/Gb mode only) T3317
Note1 Default 44 sec Note 2
GMM-SERVICE-REQUEST-INITIATED
15s
GMM-REG
Default 30s
(Iu mode only)
T3319
(Iu mode only)
Note 1
Note 4 T3323
GMM-REGISTERED
NOTE 6
NOTE1: The value of this timer is used if the network does not indicate another value in a G NOTE2: The default value of this timer is used if neither the MS nor the Network send anot NOTE3: Typically, the procedures are aborted on the fifth expiry of the relevant timer. Exce NOTE 4: The purpose of this timer is to prevent the MS from repeating the SERVICE REQ NOTE5: In Iu mode, the default value of this timer is used if the network provides a value fo NOTE6: The value of this timer may be provided by the network to the MS in the ATTACH
3GPP TS 24.008: GPRS Mobility management timers – network side TIMER NUM.
STATE
TIMER VALUE
T3322
6s
T3350
GMMDEREG-INIT GMM-COMMON-PROC-INIT
T3360
GMM- COMMON-PROC-INIT
6s
T3370
GMM-COMMON-PROC-INIT
6s
6s
3GPP TS 24.008: GPRS Mobility management timers – network side TIMER NUM.
STATE
TIMER VALUE
T3313 T3314
GMM_REG All except GMM-DEREG
Note 1 Default 44 sec Note 2
All except GMM-DEREG
Default 4 min greater than T3312
All except GMM-DEREG
Default 4 min greater than T3323
READY (A/Gb mode only) Mobile Reachable
Implicit Detach timer
NOTE1: The value of this timer is network dependent. NOTE2: The default value of this timer is used if neither the MS nor the Network send anot NOTE3: Typically, the procedures are aborted on the fifth expiry of the relevant timer. Exce
Timers of GPRS session management 3GPP TS 24.008: GPRS session management timers – MS side TIMER NUM.
STATE
TIMER VALUE
T3380
PDPACTIVE-PEND or MBMS ACTIVE-PENDING
30s
T3381
PDP-MODIFY-PENDING
8s
T3390
PDP-
8s
INACT-PEND NOTE: Typically, the procedures are aborted on the fifth expiry of the relevant timer. Excepti
3GPP TS 24.008: GPRS session management timers – network side TIMER NUM.
STATE
TIMER VALUE
T3385
PDP-
8s
ACT-PEND or MBMS ACTIVE-PENDING
T3386 T3395
PDPMOD-PEND PDPINACT-PEND or MBMS INACTIVE-PENDING
8s 8s
NOTE: Typically, the procedures are aborted on the fifth expiry of the relevant timer. Excepti
Timers of circuit-switched call control 3GPP TS 24.008: Call control timers – MS side TIM
STATE OF CALL
TIM VAL
NUM. T303
Call initiated
30s
T305 T308 T310
Disconnect Request Release request Outgoing call Proceeding
30s 30s 30s
Note 1 T313
Connect Request
30s
T323
Modify Request
30s
T324
Modify request
15s
T332 T335 T336
Wait for network info CC-Est. Confirmed
30s 30s 10s
T337
10s
NOTE 1: T310 is not started if progress indicator #1, #2, or #64 has been delivered in the C
3GPP TS 24.008: Call control timers – network side TIM
STATE OF CALL
DFT TIM VAL
NUM. T301
Call received
Min180s
Note 1 T303
Call present
Note 2
T305
Disconnect Indication
30s
T306
Disconnect Indication
30s
T308 T310
Release request Incoming call proceeding
Note 2 Note 2
T313 T323
Connect Indication Modify request
Note 2 30s
T331 T333
CC Connec. Pending CC-Est. Present
Note 2 Note 2
T334
CC-Est. Confirmed
Min 15s
Note 3 T338
Disconnect indication
Note 2
NOTE 1: The network may already have applied an internal alerting supervision function; e. NOTE 2: These time values are set by the network operator.
NOTE 3: When applied to the supplementary service CCBS, the timer T334 can either r epre
CAUSE FOR START
NORMAL STOP
AT THE EXPIRY
- LOC_UPD_REQ sent
- LOC_UPD_ACC
Start T3211
- LOC_UPD_REJ - AUTH_REJ
- LOC_UPD_REJ with cause#17 netw. failure - lower layer failure or RR conn. r eleased after RR conn. abort during loc. updating
- Lower layer failure - Time out
Restart the Location update proc.
- cell change - request for MM connection establishment
- location updating failure
- change of LA - initiation of MM service or MM initiate periodic updating signalling - expiry new random attempt
AUTHENT FAILURE
- change of BCCH parameter AUTHENT REQ received
- termination of MM service or MM signalling
Consider the network as ‟false‟ (see 4.3.2.6.1)
Cause = „MAC failure‟ or „GSM authentication unacceptable‟ sent
AUTHENT FAILURE
AUTHENT REQ received
Consider the network as ‟false‟ (see 4.3.2.6.1)
- Cipher mode setting (A/Gb mode only)
Delete the stored RAND and RES
Cause = Synch failure sent
RAND and RES stored as a result of of a UMTS authentication challenge
- Security mode setting (Iu mode only)
- IMSI DETACH
- CM_SERV_ACCEPT - CM SERVICE REJECT received - LOCATION UPDATING ACCEPT received - AUTHENT REJ received - AUTHENT FAIL sent - enter MM IDLE or NULL - release from RM-sublayer
- CM SERV REQ
- Cipher mode setting
CM RE-EST REQ
- CM SERV REJ
see timer description T3240 below
- CM SERV ACC see timer description T3240 below
enter Null or Idle, ATTEMPTING TO UPDATE provide release ind.
abort the RR connection
*Refer timer description T3241 below
eCall only MS enters MM IDLE state after an emergency call
*Refer timer description T3241 below - Time Out
abort the RR connection Perform eCall Inactivity procedure in subclause 4.4.7
- Power Off
eCall only MS enters MM IDLE state after a test/reconfiguration call
- Removal of eCall only restriction - Time Out
Perform eCall Inactivity procedure in subclause 4.4.7
- Power Off - Removal of eCall only restriction
CAUSE FOR START
NORMAL STOP
TMSI-REAL-CMD or LOC UPD ACC with new TMSI TMSI-REALL-COM received sent CM SERVICE REQUEST LOC UPD ACC sent with”Follow on Proceed” AUTHENT-REQUEST sent
IDENTITY REQUEST sent
AUTHENT-RESPONSE received AUTHENT-FAILURE received IDENTITY RESPONSE
AT THE EXPIRY
Optionally Release RR connection Release RR Connection or use for mobile station terminating call Optionally Release RR connection
Optionally Release RR connection
ion updating procedure in the cases specified in subclauses 4.4.4.6 and 4.4.4.8; ied in subclause4.4.4.7; .1.7; .5, 4.3.5.2, 4.5.1.1, and 4.5.3.1. tablishment of an CM connection (an appropriate SETUP, REGISTER, or CP-DATA message as defined in 3GPP TS 24.00 ASE NOT ALLOWED. EASE NOT ALLOWED is left. .
CAUSE OF START
NORMAL STOP
ATTACH REQ sent
ATTACH ACCEPT received
ATTACH REJECT received ATTACH REJ with other cause values as described Change of the routing area in chapter „GPRS Attach‟ ROUTING AREA UPDATE REJ with other cause values as described in chapter „Routing Area Update‟ Low layer failure
ON THE 1st, 2nd, 3rd, 4th EXPIRY Note 3 Retransmission of ATTACH REQ
Restart of the Attach or the RAU procedure with updating of the relevant attempt counter
RAND and RES stored as a result of a UMTS authentication challenge
Security mode setting (Iu mode only)
Delete the stored RAND and RES
SERVICE ACCEPT received. (Iu mode only) SERVICE REJECT received (Iu mode only) ROUTING AREA UPDATE ACCEPT received AUTHENTICATION AND CIPHERING REJECT received AUTHENTICATION_AND_CIP HERING FAILURE sent Enter GMM-DEREG or GMM-NULL AUTHENTICATION & CIPHERING REQUEST received
On first expiry, the MS should consider the network as false (see 4.7.7.6.1)
AUTHENTICATION & CIPHERING FAILURE (cause=synch failure) sent
AUTHENTICATION & CIPHERING REQUEST received
On first expiry, the MS should consider the network as false (see 4.7.7.6.1)
DETACH REQ sent
DETACH ACCEPT received
Retransmission of the DETACH REQ
ROUTING AREA UPDATE REQUEST sent
ROUTING AREA UPDATE ACC received
Retransmission of the ROUTING AREA UPDATE REQUEST message
AUTHENTICATION & CIPHERING FAILURE (cause=‟MAC failure‟ or „GSM authentication unacceptable‟) sent
ATTACH REJ, DETACH REQ, ROUTING AREA UPDATE REJ or SERVICE REJ with any of the causes #11, #12, #13, #15, or #25.
ROUTING AREA UPDATE REJ received PS signalling connection Release the PS signalling released connection and proceed as described in subclause 4.7.1.9
ATTACH ACCEPT or ROUTING AREA UPDATE ACCEPT is received with “no follow-on proceed“ indication.
CAUSE OF START
NORMAL STOP
At attach failure and the attempt counter is greater than or equal to 5.
At successful attach
ON EXPIRY On every expiry, initiation of the
At successful routing area updating GPRS attach procedure At routing area updating failure and the attempt counter is greater than or equal to 5.
W hen entering state GMMDEREG
or RAU procedure Initiation of the Periodic RAU procedure
Transmission of a PTP PDU
Forced to Standby
No cell-updates are performed
SERVICE REQ sent
Security mode control procedure Abort the procedure is completed,
In A/Gb mode, when READY state is lef t.
In Iu mode, when PMM-CONNECTED mode is left.
SERVICE ACCEPT received, or SERVICE REJECT received Completion of the Security Mode Control procedure When entering PMM-IDLE after sending a SERVICE REQUEST with service mode. type “data”.
Reception of a SERVICE ACCEPT message.
T3312 expires while the MS is in GMMREGISTERED.NO-CELL-AVAILABLE and ISR is activated.
SERVICE REQ with service type “data” may be invoked again, if required.
When the radio access bearer is released for any active PDP context. When entering state GMMDEREG When entering state GMMDEREGISTERED or when entering GMM-CONNECTED mode.
Deactivation of ISR by setting TIN to “GUTI”
MM signalling procedure. er value, or if the Network sends this value, in a signalling procedure. tions are described in the corresponding procedure description. EST message with service type “data” too early in case the request to setup the radio access bearer is queued by the radio r this timer in a non-integrity protected Iu mode GMM message. CCEPT message and ROUTING AREA UPDATE ACCEPT message. The default value of this timer is identical to the valu
CAUSE OF START DETACH REQ sent ATTACH ACCEPT sent with P-TMSI and/or TMSI RAU ACCEPT sent with P-TMSI and/or TMSI P-TMSI REALLOC COMMAND sent AUTH AND CIPH REQUEST sent
IDENTITY REQUEST sent
CAUSE OF START
NORMAL STOP
ON THE 1st, 2nd, 3rd, 4thEXPIRY Note 3 DETACH ACCEPT received Retransmission of DETACH REQUEST ATTACH COMPLETE received Retransmission of the same message type, i.e. ATTACH RAU COMPLETE received ACCEPT, RAU ACCEPT or REALLOC COMMAND P-TMSI REALLOC COMPLETE received AUTH AND CIPH RESPONSE received
Retransmission of AUTH AND CIPH REQUEST
AUTHENT-AND CIPHERFAILURE received IDENTITY RESPONSE received
Retransmission of IDENTITY REQUEST
NORMAL STOP
ON EXPIRY
Paging procedure initiated Receipt of a PTP PDU
Paging procedure completed Forced to Standby
Network dependent The network shall page the MS if a PTP PDU has to be sent to the MS
In A/Gb mode, change from READY to STANDBY state
PTP PDU received
Network dependent but typically paging is halted on 1st expiry
In Iu mode, change from PMM-CONNECTED mode to PMM-IDLE mode. The Mobile Reachable timer expires while the PTP PDU received network is in PMM-IDLE mode or STANDBY state and ISR is activated.
Implicitly detach the MS on 1st expiry
er value, or if the Network sends this value, in a signalling procedure. The value of this timer should be slightly shorter in th tions are described in the corresponding procedure description.
CAUSE OF START
NORMAL STOP
ACTIVATE PDP CONTEXT REQUEST, ACTIVATE ACTIVATE SECONDARY PDP CONTEXT REQUEST or PDP CONTEXT ACCEPT, ACTIVATE MBMS CONTEXT REQUEST sent ACTIVATE
ON THE 1st, 2nd, 3rd, 4thEXPIRY Retransmission of ACTIVATE PDP CONTEXT REQ, ACTIVATE SECONDARY PDP CONTEXT REQUEST or ACTIVATE MBMS CONTEXT REQUEST
SECONDARY PDP CONTEXT ACCEPT or ACTIVATE MBMS CONTEXT ACCEPT received
MODIFY PDP CONTEXT REQUEST sent DEACTIVATE PDP CONTEXT REQUEST sent
ACTIVATE PDP CONTEXT REJECT, ACTIVATE SECONDARY PDP CONTEXT REJECT or ACTIVATE MBMS CONTEXT REJECT received MODIFY PDP CONTEXT ACCEPT received DEACTIVATE PDP CONTEXT ACC received
Retransmission of MODIFY PDP CONTEXT REQUEST Retransmission of DEACTIVATE PDP CONTEXT REQUEST
ons are described in the corresponding procedure description.
CAUSE OF START
NORMAL STOP
REQUEST PDP CONTEXT ACTIVATION or
ACTIVATE PDP CONTEXT REQUEST or ACTIVATE SECONDARY PDP CONTEXT REQUEST or ACTIVATE MBMS CONTEXT REQUEST received
ON THE 1st, 2nd, 3rd, 4thEXPIRY Retransmission of REQUEST PDP CONTEXT ACTIVATION or REQUEST SECONDARY PDP CONTEXT ACTIVATION or REQUEST MBMS CONTEXT ACTIVATION
MODIFY PDP C ONT EXT ACC received DEACTIVATE PDP CONTEXT ACC received
Retransmission of MODIFY PDP CONTEXT REQ Retransmission of DEACTIVATE PDP CONTEXT REQ
REQUEST SECONDARY PDP CONTEXT ACTIVATION or REQUEST MBMS CONTEXT ACTIVATION sent MODIFY PDP CONTEXT REQUEST sent DEACTIVATE PDP CONTEXT REQUEST sent
ons are described in the corresponding procedure description.
CAUSE OF START
NORMAL STOP
AT FIRST EXPIRY
CM SER RQ sent
CALL PROC, or REL COMP received REL or DISC received REL COMP or REL received ALERT,CONN, DISC or PROG rec.
Clear the call
CONNect ACKnowledge received MOD COMP or MOD REJ received MOD COMP or MOD REJ sent
Send DISC
DISC sent REL sent CALL PROC received
CONN sent MOD sent MOD received START_CC sent CC-EST CONF.sent START DTMF sent
STOP DTMF sent
CC-EST. received RECALL received START DTMF ACK or START DTMF REJECT received
STOP DTMF ACK received
REL sent. Retrans. RELEASE restart T308 Send DISC
Clear the call MOD REJ with old bearer capability Clear the call Clear the call
The MS considers the DTMF Procedure (for the digit) to be terminated The MS considers the DTMF procedure (for the current digit) to be terminated
LL PROCEEDING message or in a previous PROGRESS message.
CAUSE FOR START
NORMAL STOP
AT FIRST EXPIRY
ALERT received
CONN received
Clear the call
SETUP sent
CALL CONF or REL COMP received REL or DISC received
Clear the call
REL or DISC received
Stop the tone/ announc. Send REL Retrans. RELEASE restart T308 Clear the call
RECALL sent
REL COMP or REL received ALERT, CONN or DISC received CON ACK received MOD COMP or MOD REJ received START CC received CC-EST.CONF or REL COMP received SETUP received
DISC with CCBS possible
REL or DISC received
DISC without progress indic. #8 sent or CCBS Possible DISC with progress indic. #8 sent but no CCBS possible REL sent CALL CONF received CON sent MOD sent CM-SERV PROMPT sent START CC received
Network sends RELEASE
Clear the call Clear the call Clear the call Clear the call Clear the call
stop any tone/ announc. Send REL
. incorporated within call control. If such a function is known to be operating on the call, then timer T301 is not used.
sent the recall timer T4 or the notification timer T10 (see 3GPP TS 23.093 [88a]). Thus the timer T334 can take two differen
AT THE SECOND EXPIRY
8, 3GPP TS 24.010 [21] or 3GPP TS 24.011 [22]).
access network.
e of timerT3312.
network than in the MS, this is a network implementation issue.
AT SECOND EXPIRY
Timer is not restarted Timer is not restarted Call ref. release Timer is not restarted
Timer is not restarted Timer is not restarted Timer is not restarted Timer is not restarted Timer is not restarted Timer is not restarted
Timer is not restarted
AT SECOND EXPIRY
Timer is not restarted
Timer is not restarted Timer is not restarted Timer is not restarted Release call reference Timer is not restarted Timer is not restarted Timer is not restarted Timer is not restarted Timer is not restarted Timer is not restarted
Timer is not restarted
t values. 3GPP TS 23.093 [88a] defines the range of these values.
