Tyco ZETTLER - Call restriction

To Next Page

To Previous Page

User guide Doc. version 1.2

7 Extended telephone functions

VL Telephone/VL Telephone plus

numbers for ringing signals has to be activated or de-

activated via programming. This function can only be used if

the caller’s number is being transferred. You have either the

option to activate the list of released numbers for ringing

signals or the list of restricted numbers for ringing signals. If

you set none of the two functions, the ringing signal works

according to the standard. See page 59 of ”commissioning

and programming“

7.5 Ringing melody

Your telephone provides 10 different ringing melodies. See

page 60 of ”commissioning and programming“.

7.6 Display contrast adjustment

As for wall-mounted devices, the user views the display

from a different angle than this is the case for desktop

operation. The telephone offers the option to adjust the

display contrast so that the optimal view is granted for wall-

mounting and for desktop operation. See ”commissioning

and programming“ as of page 60.

7.7 Call restriction

Apart from the direct call function, there are two other

options for ”call restrictions“:

ull restrictionull restriction

ull restriction: It is not possible to dial telephone

numbers and to establish calls (except for the stored

emergency numbers for police and fire-brigade and the

programmed SOS numbers as far as the emergency call