Panasonic KX-TS105B Operating Instructions Manual page 21

Call Restriction
To set the call restriction
Make sure that a call is not put on hold.
1
2
— OO Of
Press (MUTE .
Press (1).
SY
OR
elf you use "1111" as a PIN code ef, a
(factory set), there is no need to
enter a PIN code. Go to step 6.
Enter the PIN code (p. 19).
MUTE J and Indicator
Press (PROGRAM).
elf a wrong PIN code is entered, 3 beeps will sound. Enter a correct PIN
code and press (PROGRAM).
elf you enter a wrong number, enter a correct number.
eTo change restricted digits from 2 digits to 1 digit, press (*) and enter 1 digit.
Press (PROGRAM).
eA long beep sounds.
eThe MUTE indicator light goes out.
eThe unit will return to the standby mode.
To cancel the call restriction
Follow steps 1 through 5. In step 6, press (X) to cancel call restriction and
press (PROGRAM).