21
©
VOI
SPEED
L
TD
.
VOI
SPEED
V-6017
Preferred
Codecs
Here you can list the audio codecs that the adapter should use
during a conversation. At the beginning of each call, the PBX goes
through this list selecting the best codec (for that call) starting from
the one on the top (Preference 1).
G723 Rate
This parameter determines the compression level of the G723
audio codec.
iLBC
Frame
Size
Determines the size of the iLBC frames.
iLBC
Payload
Type
iLBC Payload: possible values go from 96 to 127 (default: 98).
Voice
Frames
per TX
Number of frames sent in each audio packet. Each frame contains
10 ms of audio signal.
Note: this parameter needs to be set to 4 when connecting the
adapter to a VOIspeed PBX. VOIspeed technology operates with
40 ms audio frames.
Microphone
Volume
Audio level on the analogue line.
Speaker
Volume
Audio level on the PBX line.
PSTN & Dial
Here you can enter advanced settings for the PSTN line.
