5.2 PORT SETTING OPTIONS116 CUSTOMIZING THE SYSTEMCallers can access Automated Attendant Service by:• Automated Attendant Port - This service can be programmed independently of any orall ports of the VPS. Callers reaching these ports access Automated Attendant service.• Service Access Command - A caller can switch to Automated Attendant service bydialing [#8] during a call.• Custom Service - The call transfer service can be assigned to a keypad digit within aCustom Service. After pressing this key, the caller enters Automated Attendant Service.5.2.11 Department Dialing ServiceCallers can access extensions by pressing a key 1 through 9 (one-touch dialing). As a guide forthe caller, the Message Manager should record the Department Dialing Menu — for example,"Thank you for calling. For overseas travel, press 1. For domestic travel, press 2. For grouptravel, press 3."5.2.12 Operator ServiceThis service (when enabled) can be accessed via:• Voice Mail - Rotary Telephone Service allows rotary callers to reach the GeneralDelivery Mailbox or Operator Service.• Automated Attendant - Dial 0 and your call will go to Operator Service.• Custom Service - The Operator Service can be assigned to a keypad digit within aCustom Service; after pressing this key, the caller enters Operator Service. OperatorService can also be the destination of "no-DTMF-input".Operator Service offers callers many chances to reach a human operator. Operator Service canbe structured as a cascade so that if Operator 1 cannot take the call, it goes to Operator 2. If thatfails, the call goes to Operator 3. If that fails, the caller can record a message. At each stage,there are other options for busy cases and no-answer cases. Operator Service can beprogrammed differently for day and night mode. Each operator can be assigned a mailbox formessage-taking.