ISUP Timers

    ISUP Timer

    Spec Value (s)

    (ITU Q.764)

    Default Value (s) Timer Name

    XML Tag for

    Manual Control

    T1 15-60 15 isup.t1 isup_interface
    T2 180 180 isup.t2 isup_interface
    T3 120 120 isup.t3 isup_interface
    T4 300-900 300 isup.t4 isup_interface
    T5 300-900 300 isup.t5 isup_interface
    T6 60-120 60 isup.t6 isup_interface
    T7 20-30 20 isup.t7 isup_interface
    T8 10-15 10 isup.t8 isup_interface
    T9 90-180 180 isup.t9 isup_interface
    T10 4-6 4 isup.t10 isup_interface
    T12

    15-60 (ITU)

    4-15(ANSI)

    150 isup.t12 isup_interface
    T13

    300-900

    300 isup.t13 isup_interface
    T14

    15-60

    15 isup.t14 isup_interface
    T15 300-900 300 isup.t15 isup_interface
    T16 15-60 15 isup.t16 isup_interface
    T17 300-900 300 isup.t17 isup_interface
    T27 240 240 isup.t27 isup_interface
    T31 360 360 isup.t31 isup_interface
    T33 12-15 12 isup.t33 isup_interface
    T34 2-4 4 isup.t34 isup_interface
    T35 15-20 15 isup.t35 isup_interface
    T36 10-15 12 isup.t36 isup_interface