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<DIV><SPAN class=095121421-12102004><FONT face=Arial color=#0000ff size=2>That's
exactly the issue I ran into while working on Jasterisk. My solution was to
modify pbx.ast_request to take an additional optional parameter that could act
as a call identifier and set a predefined variable in the newly created channel
to that variable. Then, when I receive a "newchannel" or "newstate" event,
I can find the channel and check to see if it's already associated with a "call"
object. Or, I suppose you could modify the event to include a "Call_UID"
field so you wouldn't have to grab the variable from the channel directly (hey
why didn't I do that?).</FONT></SPAN></DIV>
<DIV><SPAN class=095121421-12102004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=095121421-12102004><FONT face=Arial color=#0000ff
size=2>Zac</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Brian Roy
[mailto:b.t.roy@brianandkelly.ws]<BR><B>Sent:</B> Tuesday, October 12, 2004
1:43 PM<BR><B>To:</B> asterisk-dev@lists.digium.com<BR><B>Subject:</B>
[Asterisk-Dev] Asterisk Manager and app_dial challenge.<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">All,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Any suggestions you might have
would be appreciated.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I have written a pre-alpha Call
Data Server in Java for Asterisk. It is designed to provide similar
functionality to circuit switch CTI solutions (like <SPAN
class=SpellE>Genesys</SPAN>) including maintaining call state, extension
state, and most importantly – carry user specified data elements with the call
for Screen Pop. The challenge I have run into is with the functionality of the
Dial command and the Link, Unlink, Ring and Ringing
events.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">In order to properly perform
screen pop, ideally the event Ringing on the target (or all targets) extension
rings. The challenge is that there is no linkage between the new calls ringing
the target extensions and the original inbound call that has the call data
associated. Not until the target extension answers and the LINK event <SPAN
class=GramE>is</SPAN> fired can those two calls be
associated.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I have reviewed the code for both
<SPAN class=SpellE>pbx.c</SPAN> and <SPAN class=SpellE>app_dial.c</SPAN> and
can find no way to modify the code to accomplish it. Ideally, I would like a
new event “PRELINK” which, when the Dial command is fired is set to the
manager with the same format as a LINK event:<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Line: 0: Event:
Link<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Line: 1: Channel1:
SIP/147.135.0.129-0816e408<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Line: 2: Channel2:
SIP/4403-2871<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Line: 3: Uniqueid1:
1097608761.39<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Line: 4: Uniqueid2:
1097608761.40<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Line:
9:<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">The PRELINK should be fired once
for each target of the Dial Command allowing “pop” for all of those
clients.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><SPAN class=GramE><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thoughts?</SPAN></FONT></SPAN><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Brian
Roy<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">b.t.roy@brianandkelly.ws<o:p></o:p></SPAN></FONT></P></DIV></BLOCKQUOTE></BODY></HTML>