Nortel Modular Ics 6.1 Installer Guide

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P0603534  02Modular ICS 6.1 Installer Guide
Problems with lines
The troubleshooting problems listed here focus on trouble 
with making calls or using lines. For problems which are 
specific to BRI lines, refer to Problems with BRI service on 
page 600.
Calls cannot be made (but can be received)
1. Press ≤•‚.
2. Press a line button.
3. If an incorrect line number or name appears, or if neither 
appears, on the display, check the programming settings.
OR
If the correct line number...

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10. If you still cannot make external calls, power down, then 
power up the system. This should be done after business 
hours to avoid losing calls.
11. To check the line, contact your service provider or central 
office.  
Dial tone absent on external lines
1. Use Button Inquiry (≤•‚) to display the number of 
the external line you are testing.
2. Check for dial tone using a test telephone at the 
connections for the external line on...

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Hung lines at a telephone
Line indicators that have been solid for a long time are the only 
visible indication that lines are hung. 
Possible problem
A line that has been redirected using Line Redirection may, 
under some circumstances, remain busy after a call is over. If 
this happens, the outgoing line for the redirection also remains 
busy. You can clear this kind of hung line only at the telephone 
that was used to redirect the...

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Possible problem
Lines are still hung after all the above solutions have been 
investigated or tried out.
Solution
For lines that are hung for any other reason, you will have to 
run a Maintenance session. 
1. Run a Maintenance session and go to Module status.
2. Disable and enable the affected Trunk Cartridge. 
Follow the procedures in the General troubleshooting 
procedure on page 576 before proceeding.
Auto-answer line rings at a...

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Possible problem
The line is configured as auto-answer and unsupervised.
Solution
Reconfigure the line as manual-answer.
OR
Reconfigure the line as supervised.
Possible problem
The line is not equipped for disconnect supervision at the 
central office.
Solution
Reconfigure the trunk as manual-answer.
Possible problem
The Discon timer setting for the Trunk Cartridge in 
Trk/Line data does not match the setting for the line at the...

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Modular ICS 6.1 Installer GuideP0603534  02
Prime telephone gets misdialed calls
This section describes possible problems if the Prime 
telephone is receiving calls that it should be routed elsewhere.
Possible problem
The digits sent by a switch at a central office or in the private 
network did not match any Received number, the Auto DN, or 
the DISA DN. The call has been routed to the prime telephone 
for the incoming trunk.
Solution
1. Verify that the switch is sending the...

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Selected lines reads Not in service or Not 
available
When a user selects a line button and the set displays either 
Not in service or Not available, refer to the problem 
explanations in this section.
Possible problem
You have configured a line number associated with an E&M 
Trunk Cartridge DTMF receiver to appear at the telephone.
Solution
Reconfigure the line so that it does not appear at any telephone 
and configure another line to...

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5. Run a Maintenance session and go to the heading 
Module status.
6. Disable and enable the affected Trunk Cartridge. 
Possible problem
The Norstar system has detected no response on an E&M line 
from the system at the far end. The symptom will be 
accompanied by Event code 265 in the System test log.
Solution
Check with the operators of the system at the far end and get 
them to troubleshoot their system.
Possible problem
The line is...

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Possible problem
The line has been disabled for maintenance purposes.
Solution
Enable the line.
OR
If the line will be out of service for some time, configure 
another line to replace it on the telephone.
Possible problem
The loop or line has not been provisioned.
Solution
Provision the loop or line.
Selected line pool displays: No free lines 
If the user selects a line pool and the telephone displays 
No free lines, refer to this...

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Modular ICS 6.1 Installer GuideP0603534  02
additional Trunk Cartridges of the appropriate type. In 
programming, add the new trunks to the deficient line pool.