1.2 Making Calls30 User Manual1.2 Making Calls1.2.1 Basic Calling– Calling Another Extension– Calling an Outside Party– Making a Call to a Private Network (TIE Line Access)– Using an Account Code (Account Code Entry)Calling Another ExtensionTo call an extension (Intercom Call)• The DSS button light shows the current status as follows:Off: The extension is idle.Red on: Your or another extension is using the line.• * You have to press the SDN button once or twice depending on the mode of the SDN button.For details, refer to "1.5.1 Primary Directory Number (PDN)/Secondary Directory Number(SDN) Extension".• To call using a directory, refer to "1.13.2 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.PT and SLTPT/SLT/PS/SIP Extn.Off-hook. Talk.Dial extension number,or press DSS or SDN.ORextension no.(DSS)(SDN)OR*
