10  Use the telephone in SIP or 'Safe ' 
mode 
Your telephone is compliant with the SIP standard and can be used in simplified mode in a SIP 
environment. 
According to the configuration the telephone system of your company, your phone set can automatically 
switch to 'safe ' mode in case of loss of connection with the system, in order to ensure continuity of 
service. Then, your telephone is running in SIP mode until the connection with the telephone system of 
your company is re-established. 
In SIP mode, each telephone is identified by a character string called the URI. Within your company, the 
URI of your caller is usually the caller's telephone number. 
For more information, contact your installer or administrator. 
 
The SIP mode is only available for 8 Series. 
 
Pre-programmed function keys are disabled in SIP mode. 
10.1 Making a call  
10.1.1 Take the line 
Use one of the following: 
  Lift the receiver   Enter the destination number. 
   Hands free   Dial the destination number. 
   Line key   Dial the destination number. 
 You hear a tone. 
10.1.2 Call by dialing internal number of your caller 
Use one of the following: 
  Dial directly the number for your call. 
  Take the line   Dial the destination number   Call  
10.1.3 Call using your caller's URI 
  Take the line. 
  Dial by URI 
   
  Enter your caller's URI. 
   / Call 
In SIP mode, each telephone is identified by a character string called the URI. Within your company, the 
URI of your caller is usually the caller's telephone number. 
10.2  Make a call using the personal phone book 
  Use one of the following: 
o  Directory 
o  Take the line   From directory 
  Select your caller from the list. 
  Call 
10.3  Redialing the last number dialed