Chapter 3: Operating the system
98-126882-B
Using a phone or fax machine
31
Dialing prefixes
Apart from the numbers above, the terminal uses the following dialing prefixes:
•
1*
before the phone number will force the connection to use
Standard Voice
.
•
2*
before the phone number will force the connection to use
3.1 kHz Audio
.
•
#31#
before the phone number will hide the callers phone number to the recipient.
•
*31#
before the phone number will show the callers phone number to the recipient where it
would otherwise be hidden, e.g. because the number is an ex-directory number.
•
R
is used during a call to indicate that the following key-presses should activate a
supplementary services function. The supplementary services functions supported by the
terminal are described in the subsequent sections.
Making local phone calls
You can make local calls between various phones connected to the terminal.
Local phone numbers always start with 0.
For an overview of the numbers, see
Special-purpose numbers
on page 30.
To make a local call, dial
<local number>
followed by
#
or off-hook key.
Local numbers of analog phones, ISDN phones and IP handsets are assigned according to the
table in
Special-purpose numbers
on page 30. Note that if you are using local numbers for ISDN
devices, the numbers must be programmed in the devices. For further information refer to the
documentation for your ISDN device.
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