Netphonic Systems
NG-48 User Manual
26
Phone Line
Configure according to different ports
Coding Rule
Configure DSP Speech coding, choose the method to
process.
G729 Payload
Length
Configure G729 Payload Length according to the
requirement.
Fax TCF Mode
Configure Fax Training Check Frame mode
Handdown Time
Configure handdown time, that is, if the hooking time
is shorter than this time, then the gateway will not
consider the user has handdown;
Signal Standard
Configure the signal tone standard. For example, dial
tone, ringback tone, busy tone and so on. It contains
standards of China, United States, German, etc.
Fax Mode
Configure fax mode, includes : bypass-A; bypass-µ
，
T38 and disable.
Input Volume
Configure input volume.
Output Volume
Configure output volume.
Fax ECM
Configure error control mode.
Polarity Reversal Configure polarity reversal for billing.
VAD
Voice Activity Detection. When the telephone has no
input voice, for saving bandwidth, use VAD to
inform DSP to transfer silent frames.
After the configuration has been done, click “apply” to make them go
into effect.
