AT&T MERLIN LEGEND Reference page 82

Planning
Table 4-2. Timers
Name
The minimum time which Layer 2 must
T200
wait for an acknowledgment of an
information frame before initiating
retransmission procedures.
The maximum time for which the Layer
T203
2 link can remain inactive.
The amount of time the system waits for 2,500 ms
T303
the CO to respond when the system
sends a SETUP message to initiate an
outgoing call.
The amount of time the system waits for 4 seconds
T305
the CO to respond when the system
initiates a Disconnect message for call
clearing.
The amount of time the system waits for 4 seconds
T308
the CO to respond when the system
sends a RELease message for call
clearing.
Description
Factory Allowable
Setting Threshold
1,000-2,500 ms in
1,000 ms
increments of
500 ms
33,000 ms 10,000-33,000 ms
in increments of
500 ms
1 ,000–4,000 ms in
increments of
500 ms
4-30 seconds in
increments of
1 second
2–10 seconds in
increments of
1 second
Line Options
4-13