Nortel Networks 4027 Telephone User Manual


 
Call features
55
Making an SOS call
Use this option to make emergency calls to a specific telephone number.
When you press the SOS key, the phone sends a text message or
initiates a voice call.
To make an SOS call, perform the following step:
Answering a call
You can use your handset to answer or reject an incoming call. When you
receive an incoming call, the ringer sounds and the call alert symbol
flashes. 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 4070
Handsets.
You must program an SOS number to use the SOS
function. For more information, see “Configuring emergency
calls” (page 178).
1. Long press the SOS key to dial the number or send
a message.
Attention: During a call, the display light switches off to prevent a rapid
battery discharge. Press the OK key to highlight the display.