[asterisk-dev] Bridging two H324M calls

[zhuoqun Li]

Hi Klaus,
to record a live video conversation, you just need to insert some pieces of
code into chan_zap.c, i.e. in the part where chan_zap do native bridging:I
inserted several lines (e.g. tmp = write(ftrace, f->data, f->datalen); ) in
line 3464 ( zt_bridge(), chan_zap.c).
BTW, I did the  H324M call briding in a v-1.2.4 Asterisk in the UK.

regards,
Zhuoqun Li

>
> Date: Tue, 02 May 2006 11:17:14 +0200
> > From: Klaus Darilion < klaus.mailinglists at pernau.at>
> > Subject: Re: [asterisk-dev] Bridging two H324M calls
> > To: Asterisk Developers Mailing List < asterisk-dev at lists.digium.com>
> > Message-ID: <4457239A.3020808 at pernau.at>
> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >
> > zhuoqun Li wrote:
> > >  Hi,
> > >  I have successfully bridged H324m calls through Asterisk (configured
> > > with a ISDN BRI interface).
> > >  I have aslo dumped the live video conversation into a binary file.
> > >  What I did is a "native channel bridge" and the dump functions are
> > > inserted in the zt_bridge() in chan_zap.c.
> > >  Hope this helps...
> >
> > Can you share your code? E.g. post it on bugs.digium.com
> >
> > regards
> > klaus
> >
> > >
> > >
> > >  regards,
> > >  Zhuoqun Li
> > >
> > >
> > >
> > >     ------------------------------
> > >
> > >     Message: 4
> > >     Date: Fri, 28 Apr 2006 08:41:24 +0200
> > >     From: Sergio Garc?a Murillo < Sergio.Garcia at ydilo.com
> > >     <mailto:Sergio.Garcia at ydilo.com>>
> > >     Subject: RE: [asterisk-dev] Bridging two H324M calls
> > >     To: "Asterisk Developers Mailing List" <
> > >     asterisk-dev at lists.digium.com <mailto:asterisk-dev at lists.digium.com
> > >>
> > >     Message-ID:
> > >            <F0B2E3841C70D644ADEB6E7578EA2D670232A5 at lisa.people-com.com
> > >     <mailto:
> > F0B2E3841C70D644ADEB6E7578EA2D670232A5 at lisa.people-com.com>>
> > >     Content-Type: text/plain;       charset="iso-8859-1"
> > >
> > >     Klaus Darilion wrote:
> > >      > Hi Sergio!
> > >      >
> > >      > I've done this once and it worked (relaying). But I was not
> > able to
> > >      > record the sessions. When I tried the various "recording"
> > >      > applications the video call setup did not worked anymore.
> > Relaying
> > >      > was only successful when the bridging was done directly on the
> > ISDN
> > >      > card.
> > >      >
> > >      > I did this once with an old Asterisk version. With newer
> > Asterisk
> > >      > version relaying is not possible anymore, as the zaptel code
> > changes
> > >      > some call parameters (from data calls to anything else ...).
> > >      >
> > >      > I tried to debug this once (message 0025307)
> > >      > http://bugs.digium.com/view.php?id=3891
> > >     <http://bugs.digium.com/view.php?id=3891 >
> > >      >
> > >      > but did not received any help and could not solved it myself.
> > >
> > >     Could it be possible to modify the zapdump app in order to make to
> > >     bridge two incoming calls through a pipe or socket?
> > >     It's probably easier than bridging two channels through asterisk.
> > >     And it would not affect the H324M as the master-slave
> > determination
> > >     is done in H245.
> > >
> > >     Best regards
> > >     Sergio
> >
> >
>
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