Service Modes 57Trunk AnswerTrunk Answer allows you to answer, from any telephone, anexternal call which is ringing at another telephone in your office.This is useful if the other telephones have not been assigned thesame lines as the telephone you are using to answer the call.,You can change the Trunk Answer setting only if the ServiceMode is set to Manual or Automatic.Use the display button to select the setting: Y (Yes) orN (No).Extra-Dial telephoneA telephone normally in service as a Direct-Dial telephone, canbe programmed in Service Modes to allow internal calls to theDirect-Dial telephone to also ring at the Extra-Dial telephone.Use the display button and the dial pad to enter theinternal telephone number of the Extra-Dial telephone.Programming hintsThe Extra-Dial telephone provides the option of assigning onemore Direct-Dial telephone in the system for eachoperational Service Mode.Ringing telephones (sets)You can assign additional telephones to ring for incoming callson each external line. Use the [Show] button, thebutton and the dial pad to enter the internal telephone numbersof the Ringing telephones for each line.Programming hintsThe default ringing telephone is 21. This means that all lines ringat telephone 21, when Service Modes are activated. Ringingtelephones can be assigned to more than one Service Mode.Auxiliary ringerYou can indicate whether the Auxiliary Ringer (if installed) alsorings when a Service Mode is activated. Use the displaybutton to select the setting: Y (Yes) or N (No).PO84262701 DR5.1 Owner’s Handbook