User Manual
U-SYS IAD108 Integrated Access Device
Chapter 5 Advanced
Configuration
5-7
Table 5-4
Parameters descriptions
Item Description
portid
The number of the slot, ranging 0–7
portid
The start and end port numbers in the batch-adding commands,
ranging 0–7. The start port number cannot be greater than the end
port number.
voicegain
The gain type of the PSTN access user. The value of this parameter
represents the voice volume sent and received at the PSTN port. The
more the gain is, the louder the voice will be The gain is calculated in
dB. The sum of the send and receive gain ranges 0–17. Value 0
means high gain, while 1 means low gain. If this parameter takes
other values, it means the send gain and receive gain are different.
The default value is high gain.
pulse-dial
Whether permit pulse dialing at the PSTN port. The value can be
“enable” or “disable”. Default is “disable”.
pole
Whether the PSTN port provides polarity reversal function. The value
can be “normal” or “reverse”. Default is “reverse”.
The values of the parameter
voicegain
are listed in Table 5-5.
Table 5-5
Values of the parameter voicegain
Parameter value
Send gain (dB)
Receive gain (dB)
0 3
3
1 3
0
2 3
-3.5
3 3
-7
4 3
-12
5 3
-8.5
