3 FEATURE S ETTINGSThis chapter provides information about configuring the system to takeadvantage of system features. It describes these topics:■ Account Codes■ Call Pickup■ Call Park■ Page Zones■ Ring Patterns■ Supervisory Monitoring■ Speed Dials■ WhisperPageFor more information about these topics and configuration procedures,see the online Help.Account Codes Account codes are additional numbers that telephone users dial toassociate calls with specific functions, sources, or destinations. Forexample, call center operations often employ account codes to associatecalls made by Automatic Call Distribution (ACD) agents with theirrelevant accounts for tracking purposes. (See Chapter 7 in this guide formore information about ACD.) Telephone users enter an account codewhile placing a call or during a call.Verifying account codes is a global configuration setting, while enforcingaccount codes is a per-Class of Service (CoS) setting. If the CoS settingenforces the account code for that particular type of call, a telephoneuser must enter an account code before the system routes the call.The enforced account code does not apply to internal or emergency (911)calls.