Additional call features109Using Centrex/Exchange Line SwitchhookFlashUse the Centrex/Exchange Line Switchhook Flash feature during anestablished 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 callUse the Call Charge feature to charge a call to a specific account.The Forced Charge feature charges long-distance calls from an IP Phonerestricted to local calls.4. Press the Goodbye key .1. While on a call, press the Centrex LineSwitchhook Flash key. A special dialtone sounds.2. Dial the codes for your custom Centrexfeature.3. Press the Goodbye key to end the call.(Goodbye)CentrexSHF(Goodbye)
