NEC Univerge SV8100 Features And Specifications Manual page 54

Issue 12.0
To enter an Account Code at a single line telephone:
1. Access trunk for outside call.

Dial a code to access a trunk. Refer to Central Office Calls, Placing for more information.
2. Dial

3. Enter Account Code (1~16 digits).
4. Dial .

5. Dial number you want to call.
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UNIVERGE SV8100
Account Code Entry