POLARITY()
Synopsis
Set or get the polarity of a DAHDI channel.
Description
The POLARITY function can be used to set the polarity of a DAHDI channel.
Applies only to FXS channels (using FXO signalling) with supporting hardware.
The polarity can be set to the following numeric or named values:
0
idle
1
reverse
However, when read, the function will always return 0 or 1.
Example: Set idle polarity
Example: Set reverse polarity
Example: Reverse the polarity from whatever it is currently
Syntax
POLARITY()
Arguments
See Also
Import Version
This documentation was imported from Asterisk Version GIT-20-a9223f2