1.2 Making Calls26 User ManualTo call an operator (Operator Call)You can call an extension or a group assigned as the operator.Calling an Outside PartyYou have to seize an outside line before dialling an outside phone number because external calls are madevia your PBX.Select one of the following methods:To select an idle outside line automatically (Automatic Line Access)• To call using a directory, refer to "1.11.2 Using the Directories".• For quick operationIf you are an operator or dial some extensions frequently, DSS buttons are useful.• Hands-free OperationYou can make an intercom call and have a conversation in hands-free mode using the SP-PHONE button.Customising Your Phone• 3.1.2 Settings on the Programming Mode—Preferred Line Assignment—OutgoingSelect the seized line when going off-hook.• 3.1.3 Customising the ButtonsCreate or edit a Direct Station Selection (DSS) button.• The operator call number (default) varies depending on country/area.For more details, consult your dealer.• The automatic line access number (default) varies depending on country/area.For more details, consult your dealer.PT/SLT/PSOff-hook. Enter9 or0.OR09PT/SLT/PSOff-hook. Talk.Dial outside phonenumber.Press L-CO orenter automaticline access number.OR0 9(L-CO)/outsidephone no.