[asterisk-users] RES: RES: How to invoke a binary file from the dial plan?

[Guenther Boelter]

Great !!!!
On Jun 3, 2015 9:29 PM, "Kevin Larsen" <kevin.larsen at pioneerballoon.com>
wrote:

> > Hi Kevin.
> >
> > Thank you very much for the hint! It worked very well!
> >
> > Your example     ' exten => 1234,1,System(echo "This is a test" >> /
> > var/log/asterisk/test.txt) '     executes when the SIP client (my
> > softphone Jitsi) sends  a SIP INVITE to asterisk.  So, the softphone
> > tries to establish a session with target 1234.
> >
> > Now, lets suppose my softphone rings and I answer a call. During the
> > call, the caller asks me to execute a command (ex: to open a door or
> > gate). In this case, what have I to program in dial plan to Asterisk
> > execute System() again? Is it possible to execute a dial plan even
> > during an ongoing call?
> >
> > Finally, lets suppose I want to use my softphone to execute a dial
> > plan, even without establishing a call (no session with target
> > 1234). For example, If I decide to open a dor or gate using my
> > softphone, without existing an ongoing call, what have I to program
> > in dial plan to Asterisk executes System(). Is this idea possible?
> >
> > Any hint will be very hepful!
>
> I love this question, simply because it allows me to talk about one of the
> neatest features I programmed into my system that barely anyone knows
> exists. Plus it lines up pretty much exactly with what you are trying to do.
>
> We have our gate control system tied into our Asterisk phone system so it
> is possible to dial a code on the phone and open the entrance gate to let
> someone in after hours. Only problem is this happens so rarely that no one
> (myself included) ever remembered the code. Thus a search for a better way.
>
> Now, when someone uses the gate phone to request entry, I change the
> caller ID on the display of the person who answers to read "Press 9 to open
> gate". During the call, they can hit 9 at any time and the gate will open
> for them. Up until they answer, the caller ID reads Gate Phone, but when
> they answer, it changes to that text.
>
> The part about opening the gate is the magic piece you want to look into.
> Read up on applicationmap in features.conf. It's pretty simple and very
> effective. Here is what mine looks like. I am going to replace my actual
> command with <insert command here>.
>
> gate => 9,self/callee,System,<insert command here> ; Custom application to
> open the gate.
>
> This says that this feature is active in the 'gate' context of my
> dialplan. The dialing pattern it is looking for is a 9. 'self' tells it to
> activate on the channel that dialed it and callee says that the person
> receiving the call is the only one that can activate it (otherwise the
> person at the gate phone could hit 9 to open it). I am running the System
> dialplan application and passing it the <insert command here> value.
> Everything after the ';' is a comment as normal. The <insert command here>
> is equivalent to what you would put inside the '()' if it were in the
> dialplan (i.e. 'System(<insert command here>)').
>
> Pretty straightforward to get it working once you know what to look for.
> Let me know if you want to know how I manipulate the Caller ID upon
> answering the call to give the instructions to the callee on how to open
> the gate/door.
> --
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