Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Composition Setup
 
false
Info
icon

This feature is only available on the

Spacevars
0series
. Companding law is determined automatically on the
Spacevars
0series2
as a function of system hardware.

...

Panel
bgColor#FAFAFA
borderStylenone

Specifies which companing law the system uses.

Toggle Cloak
idcompandingLaw
Click to see more information.

Cloak
idcompandingLaw

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.