Ni-1 Bri Connectivity - AT&T MERLIN LEGEND Release 3.1 System Planning Manual

Selecting Line/Trunk Options
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

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
Clock Synchronization for the system
Timers for each BRI module (system provides defaults)
The following affect the operation of the MERLIN LEGEND system, however they
are administered on the Central Office (CO) switch:
Service Configuration of the BRI lines (IOC "S", Multi-Line Hunt)
Hunting pattern for a Multi-Line Hunt configuration
3–40
Lines/Trunks