[Asterisk-video] H324M 3G ISDN

[Ramtin Amin]

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 ?
Basically what did you modify ?
Thx
 


Subject: RE: [Asterisk-video] H324M 3G ISDNDate: Mon, 24 Jul 2006 08:34:52 +0200From: Sergio.Garcia at ydilo.comTo: asterisk-video at lists.digium.com



 
H223 Annex B without double headres (H324M level 2). 
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.
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.
 



From: asterisk-video-bounces at lists.digium.com [mailto:asterisk-video-bounces at lists.digium.com] On Behalf Of Ramtin AminSent: lunes, 24 de julio de 2006 8:26To: Development discussion of video media support in AsteriskSubject: RE: [Asterisk-video] H324M 3G ISDN
Well I'm working on ir currentlySo if we want to do it, since it doesn't look that easy, we better share our knowledge about it.Sergio: In H223, which annexe is used ?I've found some interesting stuff capable of handling the H223+245 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 :)Tell us more about 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/zap/12 ? or with an app_zapgrab ?DO you use BRI or PRI ?  


Subject: RE: [Asterisk-video] H324M 3G ISDNDate: Mon, 24 Jul 2006 08:15:06 +0200From: Sergio.Garcia at ydilo.comTo: asterisk-video at lists.digium.com


Hi everyone, 
 
    It's good to see that i'm not the only one developping int this subject. 
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. 
Are any one of you going to start an open source proyect?
 
Greetings 
    Sergio
 

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