AT&T MERLIN LEGEND Communications System PBX System Planning Manual page 93

Trunks
Dial Mode
Dial Tone
Answer Supervision Time
Disconnect Time
3-38 Trunk Options
Choose an incoming (inmode) and outgoing (outmode) dial mode, either
touch-tone or rotary. For two-way tie trunks, you must choose a dial mode for
incoming and outgoing. The system is factory set for rotary for both directions.
Note: If you have checked "Incoming" for a tie trunk's direction and "immediate"
for its signaling type, you cannot have touch-tone mode.
Planning Form Instructions
On Form 3d:
Under the "Inmode" heading, check either "Touch-Tone" or "Rotary for
1 .
each incoming-only and each two-way tie trunk.
Note: If you have checked "Incoming" for a tie-trunk's direction and
"Immediate" for its type, you cannot have a touch-tone mode.
Under the "Outmode" heading, check either "Touch-Tone" or Rotary" for
2 .
each outgoing-only and each two-way tie trunk.
Decide if the system will provide a dial tone for users calling in on the tie trunk.
The remote setting (the factory setting) causes the system to produce a dial
tone. The local setting does not produce a dial tone.
Planning Form Instructions
Under the "Dial Tone" heading on Form 3d, check either "Remote" or "Local"
for each tie trunk.
The answer supervision time is factory set at 300 milliseconds (ins). If the
system needs a different setting, change the time to between 20 and 4800 ms.
Use 20-ms increments.
Planning Form Instructions
Under the "Answer Supv. Time" heading on Form 3d, check "300" to keep the
factory setting or write the new value (20-4800 ms) in the "Other" column.
The disconnect time is factory set at 300 ms. If the system needs a different
setting, change the time to between 140 and 2400 ms. Use 10-ms increments.
Planning Form Instructions
Under the "Disconnect Time" heading on Form 3d, check "300" to keep the
factory setting, or write the new value (140-2400 ms) in the "Other" column.