Dial Tone Is Absent On External Lines; Lines At A Telephone Are Busy After Call Is Over - Nortel Enterprise Edge 2.0 Programming Manual

3. Ensure that the 25-pair cable is properly connected from the EE-DSM to the
station set termination.
4. In the Unified Manager, verify that the EE-DSM module is not disabled or
unequipped by selecting Resources, Media Bay Modules and the bus that the
module is on. For more information, refer to
status on page 279.
5. Disable and then enable the module by selecting Resources, Media Bay
Modules and the bus that the module is on. For more information, refer to
Disable a module
6. 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.
7. To check the line, contact the telephone company.

Dial tone is absent on external lines

1. Check for dial tone using a test telephone at the connections for the external
line on the distribution block.
2. Make sure that a trunk module for the line is properly installed in the server or
expansion cabinet.
3. Make sure that the hub is properly connected to the MSC card.
4. In the Unified Manager, select Resources, Media Bay Modules and the bus
that the module is on, to ensure that the line is not disabled. See
Media Bay Module status

Lines at a telephone are busy after call is over

Line indicators that have been solid for a long time are the only visible indication
that lines are hung. The problem may be due to one of the following:
• A redirected line remains busy
• Programming is incorrect
• Lines require maintenance session
P0911588 Issue 01
Troubleshooting your Enterprise Edge system 311
on page 279 and
Notify service provider of T1 signaling disruption.
Notify your T1 service provider before disconnecting your T1 lines, removing
power to your system, or performing any other action that disrupts your T1
signaling. Failure to notify your T1 service provider may result in a loss of T1
service.
on page 279.
on page 312
on page 312
Enterprise Edge 2.0 Programming Operations Guide
Display the Media Bay Module
Enable a module on page 280.
on page 312
Display the