ChanIsAvail()¶

Synopsis¶

Check channel availability

Since¶

0.4.0

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(Technology/Resource&[Technology2/Resource2[&...]],[options]])

Arguments¶

• Technology/Resource

  • Technology/Resource required - 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.
    

  • Technology2/Resource2[,Technology2/Resource2...] - Optional extra devices to check
    If you need more than one enter them as Technology2/Resource2&Technology3/Resource3&.....
    

• 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
    

Generated Version¶

This documentation was generated from Asterisk branch 21 using version GIT