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7-7
Messages
Timers
Call Control Timers.
T301 Call Received timer
”MS failed to connect.”
T303 Call Present timer
”MS failed to respond to SETUP with CALL_CONF
or REL_COMP.”
T305 Disconnect Indication timer
”MS failed to respond to DISC with REL or DISC.”
T306 Disconnect Indication Tone timer
”MS failed to respond to DISC with REL or DISC.”
T308 Release Request timer
”MS failed to respond to REL with REL_COMP or
REL.”
T310 Incoming call proceeding timer
”MS failed to ALERT, CONN or DISC on incoming
call.”
T313 Connect Indication timer
”MS failed to respond to CON with CON_ACK.”
T323 Modify Request timer
”MS failed to respond to MOD with MOD_COMP or
MOD_REJ.”
Timer Values The timer values have been set as follows:
Table 2-1 Timer Values
Timer Value
(ms)
Timer Value
(ms)
Timer Value
(ms)
T100 5000 T3113 8000 T303 10000
T200
0
a
a. varies with channel type; see Rec. 04.06 Table 9
TT01 2000 T305 10000
T306 10000
T3101 5000 T3250 5000 T308 10000
T3103 5000 T3260 5000 T310 10000
T3105 50 T3270 5000 T313 10000
T3107 5000 T3299 5000 T323 10000
T3109 5000
T3111 500 T301 20000