Ericsson DT690 User's Guide download pdf (Page 47)

Outgoing Calls

When an external line becomes free you will be called back (recall ring signal).

You have to answer within eight seconds, otherwise the Callback service is

cancelled. While waiting for the Callback, you can make and receive calls

as usual.

3. Press

The system calls the external number.

Note: Only one Callback can be activated on a busy external line.

7.4.2 Cancel any single Callback

To cancel a callback, do the following:

1. Press #37* and enter the extension number. (To cancel a s ingle Callback

on a specific external line, dial the digit or digits to get a line instead of the

extension number.)

Note: North America press #6*.

2. Press # and

Wait for the call timer to s tart in the display.

3. Press

to finish the procedure.

7.4.3 Cancel all Callbacks

To cancel all callbacks, do the following:

1. Press #37#.

Note: North America press #6#.

2. Press

Wait for the call timer to s tart in the display.

3. Press

to finish the procedure.

7.4.4 Activate Call Waiting

If you urgently wish to contact a busy extension or an external line, you can

notify by a Call Waiting signal.

Note: The Call Waiting function might be blocked for use on y our extension

(programmed by your system administrator). If Call Waiting is not

allowed, you will continue to receive a busy tone.

To activate Call Waiting, do the following:

1. Press More,markCall Waiting.

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Ericsson DT690 User's Guide Page 47