ChanIsAvail()

Synopsis

Check channel availability

Description

This application will check to see if any of the specified channels are available.

This application sets the following channel variables:

• AVAILCHAN - The name of the available channel, if one exists
• AVAILORIGCHAN - The canonical channel name that was used to create the channel
• AVAILSTATUS - The device state for the device
• AVAILCAUSECODE - The cause code returned when requesting the channel

Syntax

ChanIsAvail([Technology2/Resource2[&...]],[options])

Arguments

• Technology/Resource - ** Technology2/Resource2 - Optional extra devices to check
  If you need more then one enter them as Technology2/Resource2&Technology3/Resourse3&.....
  Specification of the device(s) to check. These must be in the format of Technology/Resource, where Technology represents a particular channel driver, and Resource represents a resource available to that particular channel driver.
• options
  • a - Check for all available channels, not only the first one
  • s - Consider the channel unavailable if the channel is in use at all
  • t - Simply checks if specified channels exist in the channel list

See Also

Import Version

This documentation was imported from Asterisk Version SVN-branch-13-r420538