Auto-Answer Line Rings At A Telephone - Nortel ICS Install Manual

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 590 before proceeding.

Auto-answer line rings at a telephone

This section describes possible problems and solutions if an
auto-answer line mistakenly rings at a telephone.
Possible problem
You configured a loop start trunk as auto-answer but the
installed hardware does not support disconnect supervision. In
this case, the symptom would be accompanied by the Alarm
62 code symptom.
Solution
Reconfigure the trunk as manual-answer.
OR
Replace the Trunk Cartridge with one that provides disconnect
supervision.
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Problems with lines / 599
Modular ICS 7.1 Installer Guide