1.2 Making Calls34 User ManualCall WaitingYou can inform the called party that your call is waiting.This feature is also known as Busy Station Signaling (BSS).Message WaitingFor a callerTo leave a message waiting indication• Depending on the other party’s telephone, the "Off-hook Call Announcement (OHCA)"and the "Whisper OHCA" features can be used. You can talk to the other party through thespeaker and the microphone (OHCA) or you only send a call announcement through thehandset (Whisper OHCA), if they are having another conversation using the handset.Refer to "1.7.3 Call Waiting/Off-hook Call Announcement (OHCA)/Whisper OHCA".For a callerWhen the called extension is busy or does not answeryour call, you can leave a notification so that the calledparty may call you back.For a called extensionAs a message receiver, the Message button light orMessage/Ringer Lamp lets you know that a call has beenreceived. If you receive notification, you can call back thecaller by a simple operation.PT/SLT/PSEnter1.1While hearing a busy tonePT/SLT/PSPress MESSAGEor enter 4.On-hook.When the called extension is busy or does not answerOR4MESSAGEC.Tone
