Mitel 3000
Installation & Maintenance Manual
115
NOTE: The DMS Exchange equipment or DMS Central Office (ONLY) must have the L1 flag under the trunk
sub group programmed to YES to avoid issues.
1. From the programming extension, press the PROGRAM key.
2. Press the Scroll Down key () until “System Programming” is displayed.
3. Select “System Programming”.
4. Enter the System Programming Password and select “Lines”.
5. Press the Scroll Down key () until “T1 (RBS) or PRI (ISDN)” is displayed.
6. Select the “PRI (ISDN) ” option.
7. Select the “Protocol (Q931) ” option.
8. When Protocol (Q931) is selected the menu updates to show the two options “National ISDN 2” or “AT&T
5ESS”.
9. Select the required option.
T1 PRI Programming
There are some settings which are specific to T1 PRI (ISDN) lines
Stripping national code 1 or International code 011 on PRI (ISDN) calls
On some PRI (ISDN) lines it is necessary to program the switch so that the 011 code for International calls is not
sent to line. It is also sometimes required that the national code 1 is not sent to line when national numbers are
dialed. The user dials the numbers as normal, dialing the 1 or 011, but the switch is programmed to remove the
digits and not send them to line.
1. From the programming extension, press the PROGRAM key.
2. Press the Scroll Down key () until “System Programming” is displayed.
3. Select “System Programming”.
4. Enter the System Programming Password and select “Lines”.
5. Press the Scroll Down key () until “PRI Programming” is displayed.
6. Select “Strip national 1” or “Strip Int’l 011” as required.
Call Routing Priority
This option decides on the order in which calls are routed using the ANI, DNIS and Caller ID services on T1 and
the Called and Calling number services on PRI. The default is that calls are routed on the Calling number if
available. If the calling number is not available then they are routed on the called number if available.
1. From the programming extension, press the PROGRAM key.
2. Press the Scroll Down key () until “System Programming” is displayed.
3. Select “System Programming”.
4. Enter the System Programming Password and select “Lines”.
5. Press the Scroll Down key () until “Call Routing Priority” is displayed.
6. Select “Call Routing Priority”.
7. Select the Option for Calling or Called number routing.
Programming the Line Build-Out for T1 PRI
The Line Build-Out can be set at 0dB, -7.5dB, -15dB or -22dB.
1. From the programming extension, press the PROGRAM key.
2. Press the Scroll Down key () until “System Programming” is displayed.
3. Select “System Programming”.
4. Enter the System Programming Password and select “Lines”.
5. Press the Scroll Down key () until “T1 (RBS) or PRI (ISDN)” is displayed.
6. Select the “PRI (ISDN) ” option.
7. Select the “Line Build Out” option.
8. Select the required option from the display.
The default setting is -7.5 dB.
NOTE: This option is presented for both the T1 (RBS) and the PRI programming.
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