EXFO FTB-860, User Manual

Page: 282 / 409

Test Control
270
FTB-860/880
Headset/DTMF
Headset/DTMF
The
Headset/DTMP
pop-up window allows to connect a B-Channel
(Speech or 3.1 kHz) to the headset and DTMF tones can be generated using
the keyboard. The volume of the headset speaker and microphone is
adjustable.
The settings here and on the platform are independent but platform
settings may limit level control. For more information, refer to
Adjusting
Microphone and Speaker Volume
from the platform user guide.
Note: Both, hard and virtual keyboards can be used here. The hard keyboard is
from FTB-1 and the virtual keyboard is from Headset/DTMF pop-up.
The Connect Headset/DTMF to Channel button:

Is gray when a Speech or 3.1 kHz call is not active.

Is green when one or more Speech or 3.1 kHz calls are active but not
connected to the headset. This is the default state.

Is black when one Speech or 3.1 kHz call is connected.
The list of channels in the drop down, or the NxM matrix, shows active
Speech or 3.1 kHz channels. Other channels including the D-Channel will
not be visible in the matrix.