C675 User manual system English13Using several handsetsIntercomHandsets that registered on the same base can talk each other without calling fee.Calling handsetsPress 对 讲 v Input the number of Handset you want to call(Handsets1~4, Base 0, * for all)The other Handset/Base answering the call by pressing c or dEnding a callPress a to end the call.Transfer an external call to other handsetDuring the talk with external call, press 对 讲 v press the handset number youwant to transfer. You can press a immediately or inform another handset beforeyou end tall.Internal consulting callDuring the talk with external call, you can call another handset for consulting.Press 对 讲 v press the handset number you want to consult with. Intercombuilds up after another handset answering that call.It will auto come back to the external talk when the intercom ends.Conference callYou are conducting an external call. An internal caller can listen in on this call andtake part in the conversation.Precondition: The “CONFERENCE” function must be activated.Activate/Deactivate conference callPress 菜 单 v ▲ ▼ C O N F E R E N C E OK v ▲ ▼ Select ON / OFF OKStart a conference call:When you want to start a conference call during an external talk:Press c or d to start a conference call by other handset.The external call remains if one of the handset leave the conference call bypressing aQuick IndexIntercomConferencecall