- Nortel Communication Server IP Phone 2007 User Guide

Additional call features
110
Using Centrex/Exchange Line Switchhook
Flash
Use the Centrex/Exchange Line Switchhook Flash feature during an
established call to use a Centrex service, such as Call Transfer or Three-
Way Calling.
To use Centrex/Exchange Line Switchhook Flash:
Charging a call or charging a forced call
Use the Call Charge feature to charge a call to a specific account. The
Forced Charge feature charges long-distance calls from a phone
restricted to local calls.
To charge a local or long-distance call to an account before you dial:
1. While on a call, tap the Centrex Line
Switchhook Flash soft key. A special
dial tone sounds.
2. Dial the codes for your custom Centrex
feature.
3. Press the Goodbye key to end the call.
1. Lift the handset.
2. Tap the Charge soft key or dial the Call
Detail Recording FFC.