Nortel BCM 3.7, Manual

Page: 407 / 1004

Configuring line access 407
Programming Operations Guide
Rules about assigning prime lines
Read the following before you assign Prime lines to a telephone.
• You must assign an external line to the telephone in Line assignment before you can assign the
line as the prime line to the telephone. Refer to “Determining line assignments” on page 409 .
• You must assign a line pool to the telephone in Line pool access before you can assign a line
pool as the prime line to the telephone. Refer to “Assigning line pool access” on page 414 .
• A target line cannot be a prime line for a telephone because a target line is incoming-only.
Note: Do not assign a T1 DID line as the prime line for a telephone. If assigned, the system
treats it as if there is no prime line. The telephone displays the message Select a line when you
lift the receiver.
• PRI lines are set to Auto Answer. You cannot change a PRI line to Manual Answer.
• VoIP line pools could be used for prime lines, but the lack of dial tone can cause user confusion.
Intercom (I/C)
keys 0 to 8 Assign the number of intercom buttons to a telephone.
Intercom buttons provide a telephone with access to internal and external
lines, and line pools. Refer to
“Assigning intercom (I/C) buttons (keys)” on
page 408 .
Doorphone: Before you install the doorphone hardware, assign one
intercom key to the DN record you are assigning to the doorphone.
*Private OLI
number Define the originating line identification number (OLI) which appears on
the telephone being called from this telephone over a private network.
Note: On systems running DID, this field is automatically populated with
the DN. Refer to “Private OLI notes” on page 408 .
On PBX systems, this field is only automatically populated if the DN
length and the Received # length are the same.
If the DN length or the Received # length are changed so they are
different from each other, this field is cleared.
*Public OLI
number <up to 10 digits> Define the originating line identification number (OLI) which appears on
the telephone being called from this telephone over the public network.
North America: 10-digit (National)
European: digits equal to the public received number length
Note: If line pools are not properly configured, an extension may use a
line with a network range that does not include the OLI of the telephone,
causing the network to present an incorrect CLID to the called party.
*If your system allows outgoing name and number blocking, the telephone must have a valid OLI.
Table 77 Telephone line access fields (Continued)
Attribute Values Description