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PROGRAMMING
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BusinessPhone 250 / BusinessPhone 50
Standard Telephone / Economyplus Telephone
Ringing function:
0 =No ringing.
1 =Ringing.
2 =Delayed ringing (after 10 seconds).
3 =One single ringing signal. (The signal is muted).
4 =One delayed ringing signal (after 10 seconds. The signal
is muted).
* The functions need to be programmed by your system
administrator.
Note: ”Malicious call identification” and ”Number secrecy”
functions are only available on the Standard telephone.
Note: Special authorisation is required when programming
function-keys.