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System settings
Factory pre-set
You can resume the factory pre-set parameters at any time.
1. Press the or button to select
"settings".
2. Press the button.
3. Press the or button to select
"system".
4. Press the button.
5. Press the or button.
6. Press the button.
T
o resume the factory pre-set:
7. Press the button.
T
o interrupt:
7. Press the button.
Every time you press the button, the display
switches between the available functions.
The display shows "appointment" or "ans-
wering machine" (only tiptel 291/293).
The display shows "system".
The display shows "ISDN".
The display shows "factory pre-set".
The warning message "ATTENTION! all data
are erased" is shown in the display.
The factory pre-set is resumed.
The function is interrupted (the data are re-
tained).
Access to the public exchange
If the telephone is operated with a telephone system, you may have to dial the line prefix
before the subscriber number for outgoing calls. For some telephone systems, you need to pro-
gram the line prefix with your telephone so that the prefix is automatically entered in the call list.
1. Press the or button to select
"settings".
2. Press the button.
3. Press the or button to select
"system".
4. Press the button.
5. Press the or button to select
"CO line".
6. Press the button.
7. Now, enter the line prefix via the
numeric keypad (4 digits as a maxi-
mum).
8. Press the button.
Every time you press the button, the display
switches between the available functions.
The display shows "system".
The display shows "ISDN".
The display shows "CO line".
The display shows a cursor for entries.
Your entry is displayed.
The entry is stored.
