Sending Dtmf Signals; Making A Call-Back Request - Alcatel OmniPCX 4400 User Manual

3 5.

Sending DTMF signals

During a call, you sometimes have to send DTMF signals, for example
when remotely consulting an answering machine, for a voice message
service or an automatic switchboard.
To do this:
Press the key:
3 6.

Making a call-back request

If the line of the internal correspondent you are trying to call is busy
or does not answer, you want them to call you back as soon as they
are free.
Hélène P
00:25
Dial the code of the "Call back request"
(long press).
function
Call back accepted
11