1.2 Basic Operations1.2.1 Making Calls– Intercom Call– Operator Call– Calling an Outside PartyIntercom CallYou can call another extension user.PT/SLT/PS/SIP Extn.Off-hook. Talk.Dial extension number,or press DSS or SDN.ORextension no.(DSS)(SDN)OR*• 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 "1.3.50 PDN (Primary Directory Number)/SDN (Secondary DirectoryNumber) Extension".• To call using a directory, refer to "1.4.3 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 theSP-PHONE button (refer to "1.3.32 Hands-free Operation").Customizing Your Phone• 3.1.2 Personal Programming—Preferred Line Assignment—OutgoingSelect the seized line when going off-hook.• 3.1.4 Customizing the ButtonsCreate or edit a Direct Station Selection (DSS) button.28 Operating Manual Document Version 2010-081.2.1 Making Calls
