asterisk.ru

Код: Выделить всё

*CLI> core show application ChanIsAvail

  -= Info about application '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]
Technology2/Resource2
    Optional extra devices to check
    If you need more than one enter them as Technology2/Resource2&Technology3/R
    source3&.....
Technology/Resource
    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

Код: Выделить всё

exten => _X.,1,Dial(SIP/${EXTEN})
exten => _X.,2,Dial(DAHDI/${EXTEN})