April 2010 - h323plus - lists.packetizer.com

oh323_tut make fails
by Alex Katebi 23 Apr '10

23 Apr '10

Hello everyone, When I tried to make the oh323tut I get the below error. THANKS! Alex akatebi@client:~/share/H323Plus/oh323tut-1.1-1$ make "CFLAGS=-DP_USE_INTEGER_BOOL" g++ -DPTRACING=1 -D_REENTRANT -fno-exceptions -Wall -DNDEBUG -I/home/akatebi/share/H323Plus/ptlib-2.4.5//include -DPTRACING -I/home/akatebi/share/H323Plus/h323plus/include -Os -DP_USE_INTEGER_BOOL -felide-constructors -Wreorder -c ep.cxx -o obj_linux_x86/ep.o g++ -DPTRACING=1 -D_REENTRANT -fno-exceptions -Wall -DNDEBUG -I/home/akatebi/share/H323Plus/ptlib-2.4.5//include -DPTRACING -I/home/akatebi/share/H323Plus/h323plus/include -Os -DP_USE_INTEGER_BOOL -felide-constructors -Wreorder -c oh323tut.cxx -o obj_linux_x86/oh323tut.o g++ -DPTRACING=1 -D_REENTRANT -fno-exceptions -Wall -DNDEBUG -I/home/akatebi/share/H323Plus/ptlib-2.4.5//include -DPTRACING -I/home/akatebi/share/H323Plus/h323plus/include -Os -DP_USE_INTEGER_BOOL -felide-constructors -Wreorder -c nullchan.cxx -o obj_linux_x86/nullchan.o g++ -DPTRACING=1 -D_REENTRANT -fno-exceptions -Wall -DNDEBUG -I/home/akatebi/share/H323Plus/ptlib-2.4.5//include -DPTRACING -I/home/akatebi/share/H323Plus/h323plus/include -Os -DP_USE_INTEGER_BOOL -felide-constructors -Wreorder -c wavchan.cxx -o obj_linux_x86/wavchan.o make -C /home/akatebi/share/H323Plus/ptlib-2.4.5//src/ptlib/unix opt make[1]: Entering directory `/home/akatebi/share/H323Plus/ptlib-2.4.5/src/ptlib/unix' make[1]: *** No rule to make target `opt'. Stop. make[1]: Leaving directory `/home/akatebi/share/H323Plus/ptlib-2.4.5/src/ptlib/unix' make: *** [/home/akatebi/share/H323Plus/ptlib-2.4.5//lib_linux_x86/libpt.so] Error 2

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H.235 Media Encryption Help
by Jad el-Hage 22 Apr '10

22 Apr '10

I am trying to setup secure calls with H.323 endpoints. I am currently testing with polcom PVX. I can negotiate a shared secret using diffie-hellman and the first 8 bytes of the shared secret match the PVX's check code. But how to derive the media encryption keys from the shared secret ? >From H.235.6 I understand that the shared secret must be used to decrypt encryptedSessionKey, but the decryption is failing? Thanks, Jad

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CreateRealTimeLogicalChannel not getting called
by Ashwin Kallaje 01 Apr '10

01 Apr '10

Hi, I am developing a small VideoConferencing application using H.323 version 1.22 from cvs. The Ptlib version is 2.8 My problem is, The CreateRealTimeLogicalChannel is not getting called. The OnStart, OnCreateLogicalChannels and CreateRealTimeLogicalChannel are all getting called, but not the CreateRealTimeLogicalChannel. I am not sure what I need to enable, so that MyH323Connection::CreateRealTimeLogicalChannel, gets called. Thank you Ashwin Kallaje

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