Avaya Communication Manager Administrator's Manual page 1616

Screen Reference
Trunk Type (in/out)
Use this field to control the seizure and start-dial signaling used on this trunk group. The setting
of the Trunk Signaling Type field can affect the entries allowed in this field. In addition, settings
might differ for incoming and outgoing trunks.
Valid entries
auto
cont
delay
disc
immed
wink
2-wire-ac
2-wire-dc
3-wire
Tip:
When incoming trunks use the setting immed/immed, the far-end media server or
Tip:
switch seizes the trunk and sends digits without waiting for acknowledgment from
the receiving end. When traffic is heavy, the receiving server or switch might not
immediately attach a Touch Tone Receiver to a call and therefore lose digits. Use
wink-start trunks or increase the dial-guard timer value on the far-end server or
switch to avoid this problem.
1616 Administrator Guide for Avaya Communication Manager
Usage
There are numerous valid entries for this field: use the online help in
Communication Manager to view all the possible combinations. Here are
what the elements used in those combinations mean:
auto — Used for immediate connection to a single preset
●
destination (incoming CO trunks, for example). No digits are sent,
because all calls terminate at the same place.
cont — Continuous signaling is used with Italian E&M tie trunks.
●
The server/switch seizes a trunk by sending a continuous seizure
signal for at least the duration specified by the Incoming Seizure
Timer. See Trunk Hunt
delay — The sending switch does not send digits until it receives a
●
delay dial signal (an off-hook signal followed by an on-hook signal)
from the far-end switch, indicating that it's ready to receive the
digits.
disc —Discontinuous signaling is used with Italian tie trunks that
●
use E&M signaling. The media server or switch can seize a trunk by
sending a single, short signal for the duration specified by the
Normal Outgoing Seize Send field. However, with the Three-Way
Seizure option, the calling end can also send routing information to
the called end by sending one or a series of brief seizure signals.
wink — The sending server or switch does not send digits until it
●
receives a a wink start (momentary off-hook) signal from the far-end
server or switch, indicating that it's ready to receive the digits.
immed — The sending server or switch sends digits without waiting
●
for a signal from the far-end server or switch.
These entries are used with CO trunks in Russia: enter the type of
connection to your central office. Check with you network service provider
if you don't know what type of connection they're using. To use these
entries, the Country field must be 15 and the CO trunks must use ports on
a TN2199 circuit board.
on page 1636 for more information.