Avaya Communication Manager Administrator's Manual page 1604

Screen Reference
Release Ack Send (msec)
After your server running Communication Manager receives a forward release signal, it must
send a forward release acknowledgment signal. This field appears only if the Trunk Type field
is dis and the trunk group Direction field is incoming or two-way. Only TN2140 ports receive
this timer.
Valid entries
500 to 1200 in
increments of
100
Ringing Monitor (msec)
This timer is sent to TN464C (or later), TN767, TN438 (all), TN447, TN465 (all), TN2138,
TN2147, TN2184, and TN2199 CO circuit packs.
Valid entries
200 to 51000 in
increments of
200
Seize Ack Delay (msec)
This field appears only if the Trunk Type field is dis and the trunk group Direction field is
incoming or two-way. Only TN2140 ports receive this timer.
Valid entries
40 to 120 in
increments of 10
1604 Administrator Guide for Avaya Communication Manager
Usage
Enter the duration of the signal your server running
Communication Manager sends for a forward release
acknowledgment.
Usage
Enter the minimum time Communication Manager
requires to determine if a trunk disconnects. The field
cannot be blank. If the ringing signal disappears for a
duration longer than the time specified in this field,
Communication Manager assumes the call has been
disconnected.
Usage
Enter the maximum interval your server running
Communication Manager will wait after receipt of an
incoming seizure to send seizure acknowledgment.