Instruction manual

MERLIN LEGEND Communications System Release 5.0
System Planning
555-650-112
Issue 1
June 1997
Lines/Trunks
Page 3-39Selecting Line/Trunk Options
3
■ If the number of digits sent by the local telephone company is more
than the number of digits in the system numbering plan, specify that
one to four digits be deleted from the telephone company digits by
checking the appropriate number (1, 2, 3, or 4) under the Delete
Digits heading.
■ If the number of digits sent by the local telephone company is fewer
than the number of digits in the system’s numbering plan, specify
the specific digits (1−9999) to be added to the digits sent; check the
Add these digits box under the Add Digits heading and then write
the specific digits to be added in the space provided.
4. Under the Signaling heading, do
one of the following:
■ To keep the factory-set signal, check Rotary.
■ To change the setting, check Touch-Tone. (You cannot have
touch-tone if you selected Immediate-Start.)
5. Under the Invalid Destination heading, do
one of the following. (The Invalid
Destination setting applies to both blocks. You cannot specify a different
setting for each block.)
■ To indicate that calls to unassigned extension numbers go to the
backup position (usually the primary operator), check Send to
backup position.
■ To indicate that calls to unassigned extension numbers should
receive a fast busy signal, check Return to fast busy.
6. Group DID trunks into each block by assigning the DID trunks according to
how incoming calls must be routed to reach the proper extension numbers,
and transfer the information from Form 2c, System Numbering: Line/Trunk
Jacks to the Trunks included in Block section of Form 3d. Write the logical
ID, trunk number, and telephone number in the applicable columns.
7. Select the disconnect time for each DID trunk by doing
one of the following
under the Disconnect Time heading:
■ To keep the factory setting, check 500 ms.
■ To change the disconnect time, write the new value (10 to 2550) in
the Other column.
If this system is installed outside of the U.S., continue to the next section.
Otherwise, skip to the following section, ‘‘
Assigning Lines/Trunks’’.
NI-1 BRI Connectivity 3
To ensure proper operation of the BRI line features, the following options must be
set on the MERLIN LEGEND system during system programming:
■ Service Profile Identifier (SPID) for each BRI line B-channel
■ Directory Number (DN) for each BRI line B-channel