Ericsson 250 User Manual
Page 49
PROGRAMMING
49
BusinessPhone 250 - Basic Telephone
BusinessPhone 50 - Basic Telephone
Select ringing character
Select ringing character (0-4)
See section ”Function codes and required data”.
Press the programmable key again
Press to finish programming
After approximately 10 seconds, the function key is active.
Example :
Program supervision of extension 204 on a programmable
key, with ringing function 1.
Enter programming mode
Press the desired programmable key
Select function code
Press the programmable key again
Enter extension number
Press the programmable key again
Press
Press the programmable key again
Press to finish programming