Nortel Networks 4075 User Manual

Use this option to make emergency calls to a specific telephone number. 
When you press the 

 key, the phone sends a text message or 

initiates a voice call.

To make an SOS call, perform the following step:

When the dialpad is locked, the only calls you can make are SOS calls, or 
Emergency calls to 911 or 112.

To make an emergency call when the handset is locked use the following 
steps:

The Messaging feature is available on DECT 4070 and 
4075 Handsets only.
You must program an SOS number to use the SOS 
function. For more information, see 

1. Long press the 

 key to dial the number or send 

a message.

1. Dial the number (either 911 or 112)