Step by Step
Conducting calls – enhanced functions
72
Sending a signal to the network
To enable ISDN-type services/features to be started via
analog lines (for example, 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
(Æ Page 123).
p You have an external connection.
Call 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 communication system is connected to an ISDN
multiple device line, then you can forward all incoming
calls from the public network through your multiple sub-
scriber 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 = unan-
swered calls).
• Calls are only forwarded when the line is busy (3 =
when busy).
Activating call forwarding to a "trunk"
or Press and hold down the Talk key or press the Speaker-
phone key.
Call the system menu.
> < [Select the menu item and confirm.
> < [Select the menu item and confirm.
o [ Enter and confirm your own multiple subscriber
number.
Menu
Service?
*
51=Recall to Net-
work?
Menu
Service?
Trunk FWD on?
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