Avaya Communication Manager Administrator's Manual page 1550

Screen Reference
Duplex
This field specifies whether a two-way trunk group allows simultaneous transmission in both
directions. This field appears when the Comm Type field is avd or rbavd. It also appears if the
Comm Type field is data, but only if the ISDN-PRI field is enabled on the
Customer-Options
Note:
Even if the trunk group supports full-duplex transmission, other equipment in a
Note:
circuit may not.
Valid entries
full
half
End-to-End Signaling
Auxiliary equipment such as paging equipment and music sources may be connected to Avaya
Communication Manager by auxiliary trunks. Communication Manager may send DTMF signals
(touch tones) to these devices. This field, which appears when the Group Type field is cpe
(customer-provided equipment trunk groups), sets the duration of these tones.
Valid entries
60 to 360 ms in
increments of 10
Note:
For trunks that do not receive real answer supervision, a "connect" Event report
Note:
is sent when the Answer Supervision Timeout occurs.
1550 Administrator Guide for Avaya Communication Manager
screen.
Usage
Enter full in most cases: this allows simultaneous
two-way transmission, which is most efficient.
Enter half to support only one transmission direction at a
time.
Usage
Use this field to set the duration in milliseconds of the
touch-tone signal that is sent to the connected
equipment.
System-Parameters