Telephoning58Making External/Internal CallsManual or Automatic Line SeizureIf your telephone is set to manual line seizure, all call keys on your telephone firstseize an internal line, and you can dial an internal number straight away. Whenmaking external calls, you must first press the line seizure code digit(presetting: 0).NoteThis also applies to all enquiry calls and call forwarding to external destinations, butnot to call forwarding “MSN”.Your system administrator configures this code digit for all subscribers on theOpenCom 100 / Aastra 800 system and will tell you what value is currently valid.If your telephone is set to automatic line seizure, all call keys on your telephone seizean external line, and you can dial external numbers straight away. In order to reachinternal subscribers, press the star key twice * * before dialling the internalnumber.For the System Administrator:The code digit is defined in the Configurator, menu Telephony: Trunks: Route(Setting for the External trunk route).