Technical data

PAGE 32
Operation via Display and Keypad
4.3.4 Send DTMF tones
Due to the b-line XT DTMF Generator/Analyser you have the possibility to
send DTMF tones on the one hand and, on the other hand, you can analyse
DTMF tones via the PC software (see CHAPTER 7).
DTMF tones can be generated directly via the keypad of the system by press-
ing the numerical keys ’
0
’...’
9
’, ’
*
’, or ’
#
’ during a connection.
4.3.5 Lock lines
To avoid further calls a caller line can be locked. A line can only be locked if
no connection exists. In this case the callers hear the Busy signal. Outgoing
calls are still possible if the switch respectively the Private Branch Exchange
(PBX) is not already busy
.
Please go to the status window by pressing the
Ok
button.
Now keep the key pressed for one second. The display changes for the
selected channel from
Disconnect
to
Locked
.
By pressing the key again, the selected channel is unlocked.
NOTE
Since the
Shift
key
(’
#
’) is used for switching between the two caller lines, it
is necessary to keep the key pressed for 1 second to send the ’
#
’ DTMF tone.
NOTE
If you are not in the main menu please press the key first.
NOTE
To switch between the two caller lines please use the
Shift
key (’
#
’).