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philippe.sultan at gma...
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 Posted: Wed Jun 11, 2008 5:11 pm Post subject: [asterisk-users] Asterisk and XMPP (Jabber) : testing new ap |
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Friends,
a new dialplan application is now available for testing :
http://svn.digium.com/view/asterisk/team/phsultan/jabberreceive/
The corresponding feature request is located here :
http://bugs.digium.com/view.php?id=12569
What can you do with it? Well, a direct usage of this application is
to make an easy to use GoogleTalk voice gateway out of Asterisk. Here
is an example (assuming the asterisk-xmpp account is configured) :
context gtalk-in {
s => {
NoOp(Caller id : ${CALLERID(all)});
Answer();
JabberSend(asterisk-xmpp,${CALLERID(name),Please enter the
number you wish to call);
JabberReceive(${CALLERID(name)},NEWEXTEN);
JabberSend(asterisk-xmpp,$(CALLERID(name),(Calling ${NEWEXTEN} ...);
Dial(SIP/${NEWEXTEN);
Hangup();
}
}
In this example, when Asterisk receives a GoogleTalk voice call
request from a GoogleTalk buddy, it answers the call, and asks the
buddy to enter a number over an XMPP (Jabber) chat session. Then,
Asterisk dials the extension (accessible over SIP), which results in a
GoogleTalk to SIP call.
But this application is not restricted to GoogleTalk voice calls, and
it can be used within any call context. Code snippets are available in
the corresponding feature request under the bugtracker as well as in
doc/jabber.txt.
The codebase is Asterisk's SVN trunk, which is merged to the
jabberreceive branch on a regular basis. To install it, follow these
steps :
#svn co http://svn.digium.com/view/asterisk/team/phsultan/jabberreceive/
jabberreceive
#cd jabberreceive
#./configure
#make
#make install
Note for Linux users : the Gnome IM+ToIP client Empathy (starting from
version 0.23.1) is now compatible with Asterisk, which allows users to
place voice calls over a GoogleTalk channel from their Empathy client
to Asterisk.
Please give your feedback!
Thanks i advance,
Philippe |
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philippe.sultan at gma...
Guest
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| Posted: Thu Jun 12, 2008 10:22 am Post subject: [asterisk-users] Asterisk and XMPP (Jabber) : testing new ap |
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Hi Julian,
[...]
| Quote: | | Quote: | What can you do with it? Well, a direct usage of this application is
to make an easy to use GoogleTalk voice gateway out of Asterisk. Here
is an example (assuming the asterisk-xmpp account is configured) :
context gtalk-in {
s => {
NoOp(Caller id : ${CALLERID(all)});
Answer();
JabberSend(asterisk-xmpp,${CALLERID(name),Please enter the
number you wish to call);
JabberReceive(${CALLERID(name)},NEWEXTEN);
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How can you assume that the message you are waiting for is the right one
? Let's say that you have 10 channels each doing a JabberReceive at the
same time - how does the channel know how to get the right message, let
alone the right data ?
(2 channels may be waiting for a NewExten message, others for a
GetSomeDataFromSomeOtherPlace message )
|
Well, in the example, as long as you have 10 simultaneous GoogleTalk
calls from 10 different buddies, that won't be a problem. The first
argument of JabberReceive is used by the channel to identify the
Jabber ID it expects to read data from. Therefore, a message coming
from a specified buddy (identified by his JID) will be passed by
res_jabber to the channel that is waiting for data from this buddy.
In the case when several channels are waiting for data from the same
JID, res_jabber passes the message to every channel that matches.
Although this is less likely to happen, I tried to address this issue
by using the <thread> tag to track chat conversations
(http://www.xmpp.org/extensions/xep-0201.html). Unfortunately, very
few XMPP clients implement this conversation tracking mechanism (and
GoogleTalk does not).
Philippe |
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philippe.sultan at gma...
Guest
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| Posted: Fri Jun 13, 2008 5:18 am Post subject: [asterisk-users] Asterisk and XMPP (Jabber) : testing new ap |
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Hi Julian,
| Quote: | How difficult would it be to have a JabberReceive Event *initiate* a
channel ?
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I think that could be done. And you could also place Originate
commands over AMI, as you mentioned it. You might be interested in
BJ's work, as it covers that topic :
http://www.asterisk.org/node/48440
Cheers,
Philippe |
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