Asterisk Project : Asterisk 11 Application_ChanIsAvail This page last changed on Sep 26, 2012 by wikibot. # 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 checkIf 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 ### Import Version This documentation was imported from Asterisk Version SVN-branch-11-r373804

Document generated by Confluence on Nov 02, 2012 17:42