NEC Electra Elite IPK II System User Manual page 491

Electra Elite IPK II
Single Line Telephone
1. Dial trunk access code (
You hear busy tone. Trunk numbers are 001~200.

2. Dial Service Code (not set at default).
You hear confirmation beeps as the system disconnects the line.

3. Hookflash.
You can now place a call on the free line.

4. Dial the trunk access code (
Forced Trunk Disconnect
9 + trunk number).
#
9 + trunk number) for the trunk disconnected in Step 2.
#
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