Call features55Making an SOS callUse this option to make emergency calls to a specific telephone number.When you press the SOS key, the phone sends a text message orinitiates a voice call.To make an SOS call, perform the following step:Answering a callYou can use your handset to answer or reject an incoming call. When youreceive an incoming call, the ringer sounds and the call alert symbolflashes. This section describes the following features:• “Answering a call in Normal mode” (page 56)• “Answering a call using any key” (page 56)• “Auto-answering mode” (page 56)• “Muting the ringer” (page 56)• “Rejecting a call” (page 57)Attention: The Messaging feature is available only on DECT 4070Handsets.You must program an SOS number to use the SOSfunction. For more information, see “Configuring emergencycalls” (page 178).1. Long press the SOS key to dial the number or senda message.Attention: During a call, the display light switches off to prevent a rapidbattery discharge. Press the OK key to highlight the display.