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nik.middleton at noble...
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 Posted: Thu Feb 12, 2009 2:38 pm Post subject: [Freeswitch-users] js and VMD |
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Hi Guys,
I’m trying to get VMD running in js, does anyone have an example of how it’s called?
If I try
session:execute("vmd");
I get an error
Regards |
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msc at freeswitch.org
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| Posted: Thu Feb 12, 2009 3:22 pm Post subject: [Freeswitch-users] js and VMD |
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| Quote: | I'm trying to get VMD running in js, does anyone have an example of how it's
called?
|
http://wiki.freeswitch.org/wiki/Mod_vmd
You need to use the event socket because that is the way VMD is
designed. If called from the dialplan it will set a channel variable
but that isn't of much use in a real-time application. Using it as an
API (or bgapi) will yield an event when VMD is detected. This makes
sense because you don't know when (or even if) VMD will be detected,
so using the event system is the best choice.
-MC
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nik.middleton at noble...
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| Posted: Thu Feb 12, 2009 3:53 pm Post subject: [Freeswitch-users] js and VMD |
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That makes sense, though could it not have a call back mechanism similar
to DTMF detect?
I'm still not sure how I could use it even in an event socket. I plan
to call my js IVR script using a socket, but that has the originate call
in it which is nice and simple, but I'm unsure how I could abort it (js
IVR.
The functionality I'm looking for is really simple. I simply don't want
to leave a voicemail message. So VMD looks just the ticket.
Regards
-----Original Message-----
From: freeswitch-users-bounces@lists.freeswitch.org
[mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of
Michael Collins
Sent: 12 February 2009 20:00
To: freeswitch-users@lists.freeswitch.org
Subject: Re: [Freeswitch-users] js and VMD
| Quote: | I'm trying to get VMD running in js, does anyone have an example of
|
how it's
http://wiki.freeswitch.org/wiki/Mod_vmd
You need to use the event socket because that is the way VMD is
designed. If called from the dialplan it will set a channel variable
but that isn't of much use in a real-time application. Using it as an
API (or bgapi) will yield an event when VMD is detected. This makes
sense because you don't know when (or even if) VMD will be detected,
so using the event system is the best choice.
-MC
_______________________________________________
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Freeswitch-users@lists.freeswitch.org
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
http://www.freeswitch.org
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msc at freeswitch.org
Guest
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| Posted: Thu Feb 12, 2009 4:48 pm Post subject: [Freeswitch-users] js and VMD |
|
|
On Thu, Feb 12, 2009 at 12:49 PM, Nik Middleton
<nik.middleton@noblesolutions.co.uk> wrote:
| Quote: | That makes sense, though could it not have a call back mechanism similar
to DTMF detect?
|
It probably could but the mod's author was using it exclusively from
event socket. I personally added the channel variable code for the
sake of testing. I'm sure this could be added but it's beyond my
skills presently. I would recommend opening up a JIRA and requesting
this functionality as an improvement. Perhaps the author, Eric Des
Courtis, could add it or perhaps another skilled programmer could add
this functionality. In the grand scheme of things it probably isn't
that difficult and with a little time even I could figure it out.
| Quote: | I'm still not sure how I could use it even in an event socket. I plan
to call my js IVR script using a socket, but that has the originate call
in it which is nice and simple, but I'm unsure how I could abort it (js
IVR.
|
As a proof of concept you could have your script loop and check the
value of ${vmd_status} every 1000ms or so, and if it ever has the
value "TRUE" then you know VMD was positive and you could hangup and
do whatever other cleanup is necessary. That solution would be a temp
fix even though it wouldn't actually scale very well.
How are you handling answered calls now? Do you just start playing a
message? I'm wondering how this would work even if there was a
callback. Would you mind doing a pastebin of your script? I'd like to
see the big picture.
-MC
| Quote: |
The functionality I'm looking for is really simple. I simply don't want
to leave a voicemail message. So VMD looks just the ticket.
Regards
|
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Freeswitch-users@lists.freeswitch.org
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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nik.middleton at noble...
Guest
|
| Posted: Thu Feb 12, 2009 5:29 pm Post subject: [Freeswitch-users] js and VMD |
|
|
Just been chatting to Ken Rice, his view (and he may be mistaken) is
that it should fire the call back event in much the same way as DTMF
does, however, it's not working. I used to develop with C/C++ for about
10 years, but that was 12 years ago. Very rusty. However, I'm going to
look at the start_dtmf code and try to replicate the functionality in
mod_vmd.
Regarding your suggestion, that wouldn't really work as I'm streaming a
file. However, if memory serves me well, there is a timer function in C
that you can set to run that can call a function. There is a function
in js called setTimeout(time_func, 500) but sadly it's not available in
spidermonkey. BTW this function would resolve a bounty on call duration
timeouts
Regards
-----Original Message-----
From: freeswitch-users-bounces@lists.freeswitch.org
[mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of
Michael Collins
Sent: 12 February 2009 21:45
To: freeswitch-users@lists.freeswitch.org
Subject: Re: [Freeswitch-users] js and VMD
On Thu, Feb 12, 2009 at 12:49 PM, Nik Middleton
<nik.middleton@noblesolutions.co.uk> wrote:
| Quote: | That makes sense, though could it not have a call back mechanism
|
similar
It probably could but the mod's author was using it exclusively from
event socket. I personally added the channel variable code for the
sake of testing. I'm sure this could be added but it's beyond my
skills presently. I would recommend opening up a JIRA and requesting
this functionality as an improvement. Perhaps the author, Eric Des
Courtis, could add it or perhaps another skilled programmer could add
this functionality. In the grand scheme of things it probably isn't
that difficult and with a little time even I could figure it out.
| Quote: | I'm still not sure how I could use it even in an event socket. I plan
to call my js IVR script using a socket, but that has the originate
|
call
| Quote: | in it which is nice and simple, but I'm unsure how I could abort it
|
(js
As a proof of concept you could have your script loop and check the
value of ${vmd_status} every 1000ms or so, and if it ever has the
value "TRUE" then you know VMD was positive and you could hangup and
do whatever other cleanup is necessary. That solution would be a temp
fix even though it wouldn't actually scale very well.
How are you handling answered calls now? Do you just start playing a
message? I'm wondering how this would work even if there was a
callback. Would you mind doing a pastebin of your script? I'd like to
see the big picture.
-MC
| Quote: |
The functionality I'm looking for is really simple. I simply don't
|
want
| Quote: | to leave a voicemail message. So VMD looks just the ticket.
Regards
|
_______________________________________________
Freeswitch-users mailing list
Freeswitch-users@lists.freeswitch.org
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
http://www.freeswitch.org
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UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
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msc at freeswitch.org
Guest
|
| Posted: Thu Feb 12, 2009 5:45 pm Post subject: [Freeswitch-users] js and VMD |
|
|
On Thu, Feb 12, 2009 at 2:26 PM, Nik Middleton
<nik.middleton@noblesolutions.co.uk> wrote:
| Quote: | Just been chatting to Ken Rice, his view (and he may be mistaken) is
that it should fire the call back event in much the same way as DTMF
does, however, it's not working. I used to develop with C/C++ for about
10 years, but that was 12 years ago. Very rusty. However, I'm going to
look at the start_dtmf code and try to replicate the functionality in
mod_vmd.
|
That would be awesome. I think once you get into the code you'll
realize that it isn't like walking through a warzone or tapdancing in
a minefield like some other codebases.  The code is really
well-ordered so you can frequently copy and paste from other files and
functions and create new functionality. Feel free to get in there and
start mixing it up! It's kinda fun.
| Quote: |
Regarding your suggestion, that wouldn't really work as I'm streaming a
file. However, if memory serves me well, there is a timer function in C
that you can set to run that can call a function. There is a function
in js called setTimeout(time_func, 500) but sadly it's not available in
spidermonkey. BTW this function would resolve a bounty on call duration
timeouts
|
Understood. The other thing you could do, at least to test the events
for VMD, is to create a little daemon kind of program that sits there
and listens for VMD hits and have it uuid_kill those channels for you.
Crude, to be sure, but it would definitely let you confirm that the
system is working.
-MC
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