[Asterisk-video] Problem with h324/H223 handshake

[Klaus Darilion]

HI Sergio!

I'm currently out of office, I will test again on Friday

thanks
klaus

Sergio Garcia Murillo wrote:
> Could you print the output in bytes instead of words?
> 
> I mean the correct output would be something like:
> 
> e1 4d 00 00 e1 4d 00 00 e1 4d 00 00 e1 4d
> 
> Does the h245 files display any decoded messages?
> 
> BR
> Sergio
> 
> ----- Original Message -----
> From: Klaus Darilion [mailto:klaus.mailinglists at pernau.at]
> To: asterisk-video at lists.digium.com
> Sent: Thu, 21 Feb 2008 15:43:42 +0100
> Subject: Re: [Asterisk-video] Problem with h324/H223 handshake
> 
> Hi Sergio!
> 
> Sergio Garcia Murillo wrote:
>> Hi Klaus,
>>
>> This is the h223 data, with empty mux stuffing pdus (no h245 data). 
>> It's always the same or is any h245 message present??
> 
> In case of successful handshake I see (more or less) random data in the 
> log file (after the mux stuffing pdus).
> 
> In case of unsuccessful call I see the 4de1 0000 e100 004d 0000 4de1 
> data in the beginning (for a long time). Then I see some other data, like
> 
> 000af70 004d 0000 4de1 0000 e100 004d 0000 4de1
> 000af80 0000 e100 004d 0000 4de1 0000 e100 004d
> 000af90 0000 4de1 0000 e100 b04d ed89 00f9 02ff
> 000afa0 0170 0006 8108 0075 5706 0440 0400 0000
> 000afb0 030a 01e0 0180 0180 0508 0080 2400 1130
> 000afc0 0060 0007 8108 0175 0101 7a00 0001 0002
> 000afd0 8001 0100 000c 5012 0700 0800 7581 0001
> 000afe0 4000 0902 0001 0003 8008 0200 d009 0205
> 000aff0 0008 4070 0001 0080 8303 4001 0080 8304
> 000b000 2001 0080 8305 1001 8000 0200 0000 0100
> 000b010 0100 0200 0002 0003 0004 7005 2860 3c70
> 000b020 0000 0e00 4d52 312d 2820 2963 4e20 4b4f
> 000b030 4149 1100 2056 e136 004d 0000 4de1 0000
> 000b040 e100 004d 0000 4de1 0000 e100 004d 0000
> 
> or
> 
> 000db50 4de1 0000 e100 b04d ed89 00f9 02ff 0170
> 000db60 0006 8108 0075 5706 0440 0400 0000 030a
> 000db70 01e0 0180 0180 0508 0080 2400 1130 0060
> 000db80 0007 8108 0175 0101 7a00 0001 0002 8001
> 000db90 0100 000c 5012 0700 0800 7581 0001 4000
> 000dba0 0902 0001 0003 8008 0200 d009 0205 0008
> 000dbb0 4070 0001 0080 8303 4001 0080 8304 2001
> 000dbc0 0080 8305 1001 8000 0200 0000 0100 0100
> 000dbd0 0200 0002 0003 0004 7005 2860 3c70 0000
> 000dbe0 0e00 4d52 312d 2820 2963 4e20 4b4f 4149
> 000dbf0 1100 2056 e136 804d 2371 302e 2e33 2034
> 000dc00 3932 302d 2d39 3630 0100 8000 fe80 2c04
> 000dc10 63ae b21e 0000 e100 004d 0000 4de1 0000
> 000dc20 e100 004d 0000 4de1 0000 e100 004d 0000
> 000dc30 4de1 0000 e100 004d 0000 4de1 0000 e100
> 
> 
> but in the end there is endlessly again the  4de1 0000 e100 004d 0000 
> 4de1 ... pattern.
> 
> Maybe it tries to make a handhsake several times but fails in the end?
> 
> The h223-out file is similar.
> 
> regards
> klaus
> 
> 
> 
> 
> klaus
> 
>> BR
>> Sergio
>>
>> ----- Original Message -----
>> From: Klaus Darilion [mailto:klaus.mailinglists at pernau.at]
>> To: asterisk-video at lists.digium.com
>> Sent: Thu, 21 Feb 2008 12:09:57 +0100
>> Subject: [Asterisk-video] Problem with h324/H223 handshake
>>
>> Hi!
>>
>> I'm currently testing H324M video calls with chan_ss7 (incoming). Mostly 
>> it works, but sometimes (20%) the handshake fails - h324m_gw_answer() 
>> does not return (I guess this is H.223 handshake, or is it already H.245?).
>>
>> If I take a look at the h223_in_....raw files from a good and a bad 
>> attempt, the look similar - no obvious difference - they start with the 
>> same pattern:
>>
>> 0000000 abab abab abab abab abab abab abab abab
>> *
>> 0000af0 abab abab abab abab abab ffab ffff ffff
>> 0000b00 ffff ffff ffff ffff ffff ffff ffff ffff
>> *
>> 0002d90 ffff ffff 4de1 0000 e100 004d 0000 4de1
>> 0002da0 0000 e100 004d 0000 4de1 0000 e100 004d
>> 0002db0 0000 4de1 0000 e100 004d 0000 4de1 0000
>> 0002dc0 e100 004d 0000 4de1 0000 e100 004d 0000
>> 0002dd0 4de1 0000 e100 004d 0000 4de1 0000 e100
>> 0002de0 004d 0000 4de1 0000 e100 004d 0000 4de1
>> 0002df0 0000 e100 004d 0000 4de1 0000 e100 004d
>> 0002e00 0000 4de1 0000 e100 004d 0000 4de1 0000
>>
>> Any hints how to debug this?
>>
>> thanks
>> klaus
>>
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