. Companding law is determined automatically on the
Spacevars
0
series2
as a function of system hardware.
...
In the WebUI, click the Settings tab.
In the left navigation pane, go to System > System Companing Law.
Panel
borderStyle
none
Caption
0
Figure
1
Set Companding Law
Image Added Image Removed
Configuration - Field Definitions
...
Panel
bgColor
#FAFAFA
borderStyle
none
Specifies which companing law the system uses.
Toggle Cloak
id
compandingLaw
Click to see more information.
Cloak
id
compandingLaw
The correct companding law is dependent upon the physical interface type and switch variant.
Port Type
Protocol/Switch Variant
Companding Law
T1
ISDN/CAS
Mu-Law
E1
ISDN/CAS
A-Law
BRI
Japan ISDN
Mu-Law
BRI
ETSI/QSIG
A-Law
Caution
Misconfigured Companding Laws may result in dropped calls and/or poor audio quality. Symptoms include dropped outgoing ISDN/BRI calls and loud crackling noises on ISDN/Analog and BRI/Analog calls.