54 Conducting calls – enhanced functions
Sending a signal to the network
To enable ISDN-type services/features to be started via analogue lines (for ex-
ample, call waiting when a line is busy, three-way conference calls, etc.), you
must send a signal to the network before dialling the service code and/or phone
number.
This function can also be called by entering the code Page 107.
p You have an external connection.
Open the system menu.
> < [ Select the menu item and confirm.
> < [ Select the menu item and confirm.
o Enter the service code and/or the phone number.
External call forwarding with a multiple
subscriber number
If your communications system is connected to an ISDN multiple device line,
then you can forward all incoming calls from the public network through your
multiple subscriber number (MSN) to an external destination.
There are three types of forwarding:
• Calls are forwarded immediately (1=immediate call forwarding).
• Calls are forwarded after a certain time (2=unanswered calls).
• Calls are only forwarded when the line is busy (3=when busy).
Activating call forwarding to a "trunk"
c or d Press and hold the Talk or Speakerphone key.
Open the system menu.
> < [ Select the menu item and confirm.
> < [ Select the menu item and confirm.
o [ Enter and confirm your own multiple subscriber number.
Either:
> < [ Select the menu item and confirm.
Or:
> < [ Select the menu item and confirm.
Or:
> < [ Select the menu item and confirm.
then:
o Enter the destination number (without the external code).
Save the settings.
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