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<DIV dir=ltr align=left> </DIV>
<DIV dir=ltr align=left><SPAN class=290584011-25072006>Forget what i said,
i made the h223 muxer/demuxer some time ago and answered absolutelly
wrong.</SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=290584011-25072006></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=290584011-25072006>The h324m levels are:
</SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=290584011-25072006></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=290584011-25072006>-level 0: h223 without
anexes, no byte aligment, 1 byte flag and hdlc bit stuffing,1 byte header
(mc,mpl,hec)</SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=290584011-25072006>-level 1: h223 anex A, 2
byte flag, 1 byte header (mc,mpl,hec), and CCSRL</SPAN></DIV>
<DIV dir=ltr align=left><SPAN>-<SPAN class=290584011-25072006>level 2: h223 anex
B, 2 byte flag, 3 byte header and ccsrl</SPAN></SPAN></DIV>
<DIV dir=ltr align=left><SPAN><SPAN class=290584011-25072006>-level 3: h223 anex
C, another world.. </SPAN></SPAN></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<B>From:</B> asterisk-video-bounces@lists.digium.com
[mailto:asterisk-video-bounces@lists.digium.com] <B>On Behalf Of </B>Ramtin
Amin<BR><B>Sent:</B> martes, 25 de julio de 2006 13:39<BR><B>To:</B> Development
discussion of video media support in Asterisk<BR><B>Subject:</B> RE:
[Asterisk-video] H324M 3G ISDN<BR><BR></DIV>
<DIV></DIV>I see that anexe B uses a 3 Byte header MC1 -> MC4 MPL1 -> MPL8
P1 -> P12 = 24 bits = 3 byte ?<BR>So if I understood well, I have to see if
the first byte correspond to the rules for anexe A's checksum or annex B's
matrix ?<BR><BR><BR><BR><BR><BR> <BR>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #008080 2px solid; MARGIN-RIGHT: 0px">
<HR id=EC_stopSpelling>
Subject: RE: [Asterisk-video] H324M 3G ISDN<BR>Date: Tue, 25 Jul 2006 13:25:48
+0200<BR>From: Sergio.Garcia@ydilo.com<BR>To:
asterisk-video@lists.digium.com<BR><BR>
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<DIV class=EC_OutlookMessageHeader lang=en-us dir=ltr align=left><SPAN
class=EC_853162011-25072006>Anex A uses a 1 byte header and anes B uses
the 2 bytes one (anex C i don't care.. :)</SPAN></DIV>
<DIV class=EC_OutlookMessageHeader lang=en-us dir=ltr align=left><SPAN
class=EC_853162011-25072006>I don't think the echo is going to work, for
example the master-slave negotiation would never end.</SPAN></DIV>
<DIV class=EC_OutlookMessageHeader lang=en-us dir=ltr align=left><SPAN
class=EC_853162011-25072006></SPAN><SPAN
class=EC_853162011-25072006></SPAN><SPAN
class=EC_853162011-25072006></SPAN> </DIV>
<DIV class=EC_OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR>
</DIV>
<DIV class=EC_OutlookMessageHeader lang=en-us dir=ltr align=left><B>From:</B>
asterisk-video-bounces@lists.digium.com
[mailto:asterisk-video-bounces@lists.digium.com] <B>On Behalf Of </B>Ramtin
Amin<BR><B>Sent:</B> martes, 25 de julio de 2006 13:16<BR><B>To:</B>
Development discussion of video media support in Asterisk<BR><B>Subject:</B>
RE: [Asterisk-video] H324M 3G ISDN<BR><BR></DIV>
<DIV></DIV>Thx Sergio<BR>How do you figure out if it's complient to annexe A,
B, or C... ? And also, do you <FONT class=EC_>think that if I do just
something like</FONT><BR>exten => s,1,Answer()<BR>exten =>
s,2,echo()<BR>Would I bee able to see myself in the 3G device
?<BR>thx<BR> <BR><BR><BR><BR><BR><BR> <BR>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #008080 2px solid; MARGIN-RIGHT: 0px">
<HR id=EC_EC_stopSpelling>
Subject: RE: [Asterisk-video] H324M 3G ISDN<BR>Date: Tue, 25 Jul 2006
13:12:48 +0200<BR>From: Sergio.Garcia@ydilo.com<BR>To:
asterisk-video@lists.digium.com<BR><BR>
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<DIV dir=ltr align=left><SPAN class=EC_EC_884091111-25072006>The 00 00 00 is
the mux stuffing pdu as described in anex b.</SPAN></DIV><BR>
<DIV class=EC_EC_OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR>
<B>From:</B> asterisk-video-bounces@lists.digium.com
[mailto:asterisk-video-bounces@lists.digium.com] <B>On Behalf Of </B>Ramtin
Amin<BR><B>Sent:</B> martes, 25 de julio de 2006 13:09<BR><B>To:</B>
Development discussion of video media support in Asterisk<BR><B>Subject:</B>
RE: [Asterisk-video] H324M 3G ISDN<BR><BR></DIV>
<DIV></DIV>If <FONT class=EC_EC_>someone is interested, here is some RAW
data without byteswap I could get by echoing the data coming from the B
channel</FONT><BR>So in there we can see the "<FONT class=EC_EC_>87B2000000"
that repeats non stop and 87 <FONT class=EC_EC_>B2 is 10000111 10110010 and
Byteswaped -->> 11100001 01001101 which is E1 4D which is the H223
flag as said in annex A.2.1.1 Figure A.1/H223</FONT></FONT><BR>I guess the
000000 means channel 0 which is H245 ? Could someone give some info about it
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
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #008080 2px solid; MARGIN-RIGHT: 0px">
<HR id=EC_EC_EC_stopSpelling>
Subject: RE: [Asterisk-video] H324M 3G ISDN<BR>Date: Tue, 25 Jul 2006
07:58:50 +0200<BR>From: Sergio.Garcia@ydilo.com<BR>To:
asterisk-video@lists.digium.com<BR><BR>
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<DIV dir=ltr align=left><SPAN
class=EC_EC_EC_649145505-25072006>I modified the q931
transmit_bearer_capability send function to </SPAN></DIV>
<DIV dir=ltr align=left><SPAN
class=EC_EC_EC_649145505-25072006></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN
class=EC_EC_EC_649145505-25072006>
ie->data[0] = 0x88;<BR>
ie->data[1] = 0x90;<BR>
ie->data[2] = 0xA6;<BR>
return 5;</SPAN></DIV>
<DIV dir=ltr align=left><SPAN
class=EC_EC_EC_649145505-25072006></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=EC_EC_EC_649145505-25072006>I'm using
only outgoing calls due to limitations in our main PBX configuration, so i
don't know if there is anything else needed to accept incomming
calls.</SPAN></DIV><BR>
<DIV class=EC_EC_EC_OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR>
<B>From:</B> asterisk-video-bounces@lists.digium.com
[mailto:asterisk-video-bounces@lists.digium.com] <B>On Behalf Of
</B>Ramtin Amin<BR><B>Sent:</B> lunes, 24 de julio de 2006
18:59<BR><B>To:</B> Development discussion of video media support in
Asterisk<BR><B>Subject:</B> RE: [Asterisk-video] H324M 3G
ISDN<BR><BR></DIV>
<DIV></DIV>Would you tell us what you put in the q931.c of the libpri for
making asterisk accept the SETUP with the 64kb data option ?<BR>Basically
what did you modify ?<BR>Thx<BR><BR><BR><BR><BR><BR> <BR>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #008080 2px solid; MARGIN-RIGHT: 0px">
<HR id=EC_EC_EC_EC_stopSpelling>
Subject: RE: [Asterisk-video] H324M 3G ISDN<BR>Date: Mon, 24 Jul 2006
08:34:52 +0200<BR>From: Sergio.Garcia@ydilo.com<BR>To:
asterisk-video@lists.digium.com<BR><BR>
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<DIV dir=ltr align=left> </DIV>
<DIV dir=ltr align=left><SPAN class=EC_EC_EC_EC_716082806-24072006>H223
Annex B without double headres (H324M level 2). </SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=EC_EC_EC_EC_716082806-24072006>If
you are looking at the UCLA/Samsung h223 simulator i understand that you
think it's not easy, but i have still not found any device (phone or
gateway), that implements annex C.</SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=EC_EC_EC_EC_716082806-24072006>I use
zaptel and a libpri, it would need some modification in order to be
configurable, but hardcoding the q931 setup info is quite
easy.</SPAN></DIV>
<DIV dir=ltr align=left><SPAN
class=EC_EC_EC_EC_716082806-24072006></SPAN> </DIV>
<DIV dir=ltr align=left>
<HR>
</DIV>
<DIV dir=ltr align=left><B>From:</B>
asterisk-video-bounces@lists.digium.com
[mailto:asterisk-video-bounces@lists.digium.com] <B>On Behalf Of
</B>Ramtin Amin<BR><B>Sent:</B> lunes, 24 de julio de 2006
8:26<BR><B>To:</B> Development discussion of video media support in
Asterisk<BR><B>Subject:</B> RE: [Asterisk-video] H324M 3G
ISDN<BR><BR></DIV>
<DIV></DIV>Well I'm working on ir currently<BR>So if we want to do it,
since it doesn't look that easy, we better share our knowledge about
it.<BR>Sergio: In <FONT class=EC_EC_EC_EC_>H223, <FONT
class=EC_EC_EC_EC_>which annexe is used ?</FONT></FONT><BR>I've found
some interesting stuff capable of handling the <FONT
class=EC_EC_EC_EC_>H223+245</FONT> but I wanted to understand it more
and when you look at the ITU, and it gets into the Golay(24,12) and BCH
code, it starts to become more complicated :)<BR>Tell us more about
<FONT class=EC_EC_EC_EC_>your expiriance: you modified the libpri for
answering correctly the q.931 ? You use /don't use zaptel ? How do
you capture raw data ? cat /dev/<FONT class=EC_EC_EC_EC_>zap/12 ? or
with an <FONT class=EC_EC_EC_EC_>app_zapgrab
?</FONT></FONT></FONT><BR>DO you use BRI or PRI
?<BR> <BR><BR><BR><BR><BR><BR> <BR>
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style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #008080 2px solid; MARGIN-RIGHT: 0px">
<HR id=EC_EC_EC_EC_EC_stopSpelling>
Subject: RE: [Asterisk-video] H324M 3G ISDN<BR>Date: Mon, 24 Jul 2006
08:15:06 +0200<BR>From: Sergio.Garcia@ydilo.com<BR>To:
asterisk-video@lists.digium.com<BR><BR>
<STYLE> .ExternalClass EC_P {padding-right:0px;padding-left:0px;padding-bottom:0px;padding-top:0px;} .ExternalClass {font-size:10pt;font-family:Tahoma;} </STYLE>
<DIV><SPAN class=EC_EC_EC_EC_EC_838450806-24072006>Hi everyone,
</SPAN></DIV>
<DIV><SPAN class=EC_EC_EC_EC_EC_838450806-24072006></SPAN> </DIV>
<DIV><SPAN class=EC_EC_EC_EC_EC_838450806-24072006>
It's good to see that i'm not the only one developping int this
subject. </SPAN></DIV>
<DIV><SPAN class=EC_EC_EC_EC_EC_838450806-24072006>I have been working
on an h234M library, i have finished AL1 and AL2 of h223 (level 2
profile), and almost finished the h245 negotiators. I have been able
to establish a videocall between an asterisk box and a motorola phone,
but i'm having problems with the negotiations on other phones.
</SPAN></DIV>
<DIV><SPAN class=EC_EC_EC_EC_EC_838450806-24072006>Are any one of you
going to start an open source proyect?</SPAN></DIV>
<DIV><SPAN class=EC_EC_EC_EC_EC_838450806-24072006></SPAN> </DIV>
<DIV><SPAN class=EC_EC_EC_EC_EC_838450806-24072006>Greetings
</SPAN></DIV>
<DIV><SPAN class=EC_EC_EC_EC_EC_838450806-24072006>
Sergio</SPAN></DIV>
<DIV> </DIV></BLOCKQUOTE><BR>
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