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compiling h323 on Fedora 12
by mimiller＠ncsa.illinois.edu 01 Dec '09

01 Dec '09

I've compiled PTLib on Fedora 12 and all went well. But when compiling h323, it can't find the ptlib files it needs. Below is a listing of what I did and some results along the way. Let me know what I'm doing wrong. thanks Michael 21 mkdir sources 22 cd sources/ 24 svn co http://opalvoip.svn.sourceforge.net/svnroot/opalvoip/ptlib/trunk ptlib 25 svn co http://opalvoip.svn.sourceforge.net/svnroot/opalvoip/opal/trunk opal 27 sudo yum install bison 28 sudo yum install flex cd ptlib 34 ./configure --enable-debug 35 make debug 36 sudo make install *******error can't find libpt_s.a 37 ls lib_linux_x86/ 40 cp lib_linux_x86/libpt_d_s.a lib_linux_x86/libpt_s.a 41 sudo make install *******PTLib appears to be installed in /usr/local/lib 42 cd .. 43 cd opal/ 46 export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig 48 export LD_LIBRARY_PATH=/usr/local/lib 49 export PTLIBPLUGINDIR=/usr/local/lib/ptlib-2.7.1 53 export PTLIBDIR=/usr/local/lib/ 54 ./configure --enable-debug ******* CXXFLAGS: -felide-constructors -Wreorder DEBUG: -L/usr/local/lib -lpt_d RELEASE: -L/usr/local/lib -lpt checking ptlib version... 2.7.1 configure: error: Could not find a linkable ptlib in specified environment to verify symbols (debug ptlib: yes) ******* 62 sudo ln -s /home/mimiller/sources/ptlib/lib_linux_x86 /usr/local/lib/ptlibdir 64 export PTLIBDIR=/usr/local/lib/ptlibdir 65 cd ~/sources/opal/ 66 ./configure --enable-debug ******* CXXFLAGS: -felide-constructors -Wreorder DEBUG: -L/usr/local/lib -lpt_d RELEASE: -L/usr/local/lib -lpt checking ptlib version... 2.7.1 configure: error: Could not find a linkable ptlib in specified environment to verify symbols (debug ptlib: yes) ******* 77 export PTLIBDIR=/usr/local/lib 78 ./configure --enable-debug ******* CXXFLAGS: -felide-constructors -Wreorder DEBUG: -L/usr/local/lib -lpt_d RELEASE: -L/usr/local/lib -lpt checking ptlib version... 2.7.1 configure: error: Could not find a linkable ptlib in specified environment to verify symbols (debug ptlib: yes) ******* 80 sudo cp /home/mimiller/sources/ptlib/lib_linux_x86/*.* /usr/local/lib/ptlib-2.7.1/ 83 export PTLIBDIR=/usr/local/lib/ptlib-2.7.1 84 set 85 ./configure --enable-debug ******* CXXFLAGS: -felide-constructors -Wreorder DEBUG: -L/usr/local/lib -lpt_d RELEASE: -L/usr/local/lib -lpt checking ptlib version... 2.7.1 configure: error: Could not find a linkable ptlib in specified environment to verify symbols (debug ptlib: yes) ******* 106 cvs -d:pserver:anonymous@h323plus.cvs.sourceforge.net:/cvsroot/h323plus login 110 cvs -z3 -d:pserver:anonymous@h323plus.cvs.sourceforge.net:/cvsroot/h323plus co h323plus 112 cvs -z3 -d:pserver:anonymous@h323plus.cvs.sourceforge.net:/cvsroot/h323plus co extensions 113 cvs -z3 -d:pserver:anonymous@h323plus.cvs.sourceforge.net:/cvsroot/h323plus co applications 115 export PTLIBDIR=/usr/local/lib 116 cd h323plus/ ******* configure: gcc version is 4.4.2 checking if gcc version is valid... yes checking for working bit scan intrinsic... yes configure: Opal version is 3.7.1 checking where plugins are being installed... /usr/local/lib/opal-3.7.1 checking wether to build a shared library... yes checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu checking target system type... i686-pc-linux-gnu checking Debugging support... no Found PTLIB in PTLIBDIR /home/mimiller/sources/ptlib/ Version: 2.7.1 CFLAGS: -DPTRACING=1 -D_REENTRANT -fno-exceptions -I/usr/local/include CXXFLAGS: -felide-constructors -Wreorder DEBUG: -L/usr/local/lib -lpt_d RELEASE: -L/usr/local/lib -lpt checking ptlib version... 2.7.1 configure: error: Could not find a linkable ptlib in specified environment to verify symbols (debug ptlib: no) ******* 118 ./configure 119 export PTLIBDIR=/home/mimiller/sources/ptlib/ 120 ./configure ******* configure: gcc version is 4.4.2 checking if gcc version is valid... yes checking for working bit scan intrinsic... yes configure: Opal version is 3.7.1 checking where plugins are being installed... /usr/local/lib/opal-3.7.1 checking wether to build a shared library... yes checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu checking target system type... i686-pc-linux-gnu checking Debugging support... no Found PTLIB in PTLIBDIR /home/mimiller/sources/ptlib/ Version: 2.7.1 CFLAGS: -DPTRACING=1 -D_REENTRANT -fno-exceptions -I/usr/local/include CXXFLAGS: -felide-constructors -Wreorder DEBUG: -L/usr/local/lib -lpt_d RELEASE: -L/usr/local/lib -lpt checking ptlib version... 2.7.1 configure: error: Could not find a linkable ptlib in specified environment to verify symbols (debug ptlib: no) ******* "If you're clear in your vision and trust the people in your team with clear objectives, they will invariably do their best to achieve everything desired, and usually deliver everything you could have hoped for and even more." -Paul Debevec "If you're clear in your vision and trust the people in your team with clear objectives, they will invariably do their best to achieve everything desired, and usually deliver everything you could have hoped for and even more." -Paul Debevec

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IPSocks and errno Headers
by Marcos Fábio Jardini 01 Dec '09

01 Dec '09

Hello all Report about porting ptlib solution to Visual Studio 2010: ** PTLib_2008.sln (can correspondent projects [.vcproj]) successfully ported to PTLib_2010.sln (and [.vcxproj | .filters]): removed all reference to Windows Mobile cause VS2010Beta2 don't work with mobile. ** Only have compilation warnings, so the lib update and compile without errors LOG: "[...]ptlib\include\ptlib\msos/ptlib/ipsock.h [several] warning C4005: 'XXXXXXXXXX' : macro redefinition" >>Visual Studio getting more close to standard C (C++0x), the macros in ipsock.h already defined in [...]Microsoft Visual Studio 10.0\VC\include\errno.h /*** *errno.h - system wide error numbers (set by system calls) * * Copyright (c) Microsoft Corporation. All rights reserved. * *Purpose: * This file defines the system-wide error numbers (set by * system calls). Conforms to the XENIX standard. Extended * for compatibility with Uniforum standard. * [System V] * * [Public] * ****/ << "collect.cxx(54)(241)(417)(452)(457): warning C4244: 'initializing' : conversion from 'std::streamsize' to 'int', possible loss of data" "pchannel.cxx(124): warning C4244: 'argument' : conversion from '__int64' to 'off_t', possible loss of data" "ptime.cxx(78): warning C4244: 'initializing' : conversion from 'std::streamsize' to 'int', possible loss of data" "ptime.cxx(88): warning C4244: 'argument' : conversion from 'std::streamsize' to 'int', possible loss of data " "asner.cxx(981)(1142)(1612)(2089)(2267)(2354): warning C4244: 'initializing' : conversion from 'std::streamsize' to 'int', possible loss of data "snmp.cxx(34)(313)(427)(524): warning C4244: 'initializing' : conversion from 'std::streamsize' to 'int', possible loss of data" >> Visual Studio getting more close to standard C (C++0x), strong typing waring << **Hello_world static: work! OK **Hello_world dynamic: work! OK -- ----- Jogue RPG, alimente o lado criativo!

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PacPhone 2.3.0 Released
by Simon Horne 30 Nov '09

30 Nov '09

Guys www.pacphone.com PacPhone 2.3.0 has been released. It has been extensively tested with the latest GnuGk release. Special thanks to all the people who tested the pre-Release and provided feedback. Anyone has any questions let me know. Simon

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missing RTP Frames
by Igor Pavlov 27 Nov '09

27 Nov '09

Hello. I missing RTP frames, when connect with my H264 plugin on connection speed greater then approximately 256 kBps. I inserted logging of rtp frames sequencenumber in function RTP_Session::SendReceiveStatus RTP_UDP::ReadDataPDU(RTP_DataFrame & frame); after call SendReceiveStatus status = ReadDataOrControlPDU(*dataSocket, frame, TRUE); and periodicaly I have holes in sequence of numbers. At the same time I have working sniffer, and I see that RTP packet missing in my logs is present in sniffers statistics. I tryed to find the place in h323plus sources where can I miss RTP packets, but couldn't find it :( The missed group of packets (even if length of group is 1 - single packet) always ends with rtp packet which have marker=0 Help me to find out the reason why I missing packets. Because of speed?

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GNU Gatekeeper 2.3.1 released
by Jan Willamowius 26 Nov '09

26 Nov '09

Hi, a new stable version of the GNU Gatekeeper is now available. Source code and executables can be downloaded from http://www.gnugk.org/h323download.html Executables are available for - Linux (32 bit and 64 bit) - Windows (XP, Vista, Windows7, ...) - MacOSX (PPC and Intel) - Solaris 10 - FreeBSD - OpenBSD What's new in 2.3.1 ? - lots of interoperability fixes for H.460.18/.19 based on the feedback from the community - new routing policy "CatchAll" - new [ModeSelection] section to fine tune when to proxy calls - support for setting the proxy mode per call using Radius - support for ignoring case and alias type (calling "FOO" will match alias "foo") - H.460.23/.24 support updated to the now approved standard - many bug fixes, eg. for direct mode and URI dialing - a unified binary for MacOS X that works both on PPC and Intel - Firebird database driver updated - many small improvements in the manual See below for the full list of changes. Enjoy, Jan -- Jan Willamowius, jan(a)willamowius.de http://www.gnugk.org/ http://www.willamowius.de/gnugk-support.html Changes from 2.3.0 to 2.3.1 =========================== - Firebird database driver updated for Firebird 2.0.x and 2.1.x - BUGFIX(Toolkit.cxx) don't ignore ExternalIP settings when NetworkInterfaces= is set - BUGFIX(SoftPBX.cxx) make response messages more consistent - the old format (2.0) to specify neighbor gatekeepers is deprecated now and has been removed from the manual; it still works, but may be removed from future versions - BUGFIX(ProxyChannel.cxx) only close endpoints logical channel on CloseLogicalChannel, use [Proxy]SearchBothSidesOnCLC=1 to retain the old behavior - BUGFIX(Toolkit.cxx) Enable RewritePString to rewrite address correctly if unregistered full URI. - BUGFIX(Neighbor.cxx) srv policy now fails calls and doesn't pass them to the next policy if a SRV record exists for a domain, but doesn't have a destination for the call - allow to set proxy mode through 'proxy' variable in Radius h323-ivr-in attribute (thanks to Yuriy Georgiewskiy) - BUGFIX(Routing.cxx) let dns policy handle LRQs that resolve locally, so URI dialing from neighbors works - the manual has been improved (thanks to Robert Kulagowski) - set Radius VSA attribute h323_rtp_proxy in stop event (thanks to Yuriy Georgiewskiy) - BUGFIX(ProxyChannel.cxx) fix memory leak when creation of a fastStart channel fails - status port command DisconnectIP now also works with unregistered endpoints using the std port - BUGFIX(ProxyChannel.cxx) fix handling of H.460.19 RTP keepalive packets - new switch [Proxy]DisableRTPQueueing=1 - BUGFIX(ProxyChannel.cxx) fully initialize UDP proxy IPs and ports - BUGFIX(Routing.cxx) don't apply dns policy to aliases of type dialedDigits - BUGFIX(Toolkit.h/.cxx) use default IP for networks specified in InternalNetwork=, not ExternalIP - enable data execution protection on Windows versions that support it (starting with XP SP3) - BUGFIX(gk.cxx) make sure Windows service writes same trace format as application (including file and line) - BUGFIX(Neighbor.cxx) fix memory leak in srv policy, only send the local part of the alias in the LRQ - new switch [RoutedMode]H46018NoNat to disable H.460.18 if no NAT detected (default enabled) - new routing policy 'catchall' to route all calls to one alias or IP - new Radius attributes on stop: h323pddtime, h323ringtime, h323routeattempts - BUGFIX(Neighbor.cxx) fix srv policy for direct mode, don't send LRQ if SRV points to us - new switch [RoutedMode]TranslateSorensonSourceInfo=1 to convert the Sorenson VP200 caller information - BUGFIX(GkStatus.cxx) don't flush status port socket when access is denied to avoid blocking - new switches in [Gatekeeper::Main]: CompareAliasType and CompareAliasCase to switch off alias type and case matching - BUGFIX(Routing.cxx) fix dns policy for direct mode - BUGFIX(Neighbor.cxx) try next policy if SRV lookup fails - neighbor type (GnuGk|CiscoGk|ClarentGk|GlonetGk) is now case insensitive - features documented: [AssignedAliases::SQL], [AssignedGatekeepers::SQL] and [GkQoSMonitor::SQL] - BUGFIX(RasTbl.cxx) use rewritten number when decrementing prefix capacity counters, so they match the increment - feature to set a ClientAuthId in SqlAuth that is provided as %{client-auth-id} on all accounting events - new status port command ResetCallCounters - changed ProxyForSameNAT default from 0 to 1 (to avoid media failure uncertainty) - BUGFIX(RasSrv.cxx) IsReachable looks at correct route table. (virtual was ignored) - changed [RoutedMode]EnableH46024= to be consistent with H.460.18 switch - BUGFIX(RasSrv.cxx) RCF messages H.460 features now supported Features not GenericData - BUGFIX(ProxyChannel.cxx) H.460.19 working with Fast Connect - BUGFIX(RasSrv.cxx,ProxyChannel.cxx) Tandberg MXP interoperability fixes - BUGFIX(ProxyChannel.cxx) check capacity on routes supplied by authenticators (Radius, SQL etc.) - BUGFIX(RasSrv.cxx) avoid cutting off status messages after 1000 chars (problem in PString::Printf) - BUGFIX(ProxyChannel.cxx) fix for fastStart with H.460.19 - new switch [RoutedMode]EnableH.460.24=, which defaults to OFF - send RTCP statistics to Radius server (thanks to Yuriy Georgiewskiy) - BUGFIX(Toolkit.cxx) fix a crash in RewriteE164() when casting aliases - new config section [ModeSelection] to specify the routing/proxy mode by IP network

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OpenMCU Codec issues
by Josh Barth 25 Nov '09

25 Nov '09

I have the ptlib, h323plus, plugins, and openmcu from h323plus.org I built each successfully, but I am not having any luck getting the additional codecs loaded when I launch OpenMCU, all I get is G.711. Did I not build something right? In order I built, ptlib, h323plus, openmcu, plugins Where should the codecs be located? (they are in /usr/local/lib/pwlib) These are modular correct, I don't need to re-compile h323plus or OpenMCU? Here is my trace: 0:00.081 OpenMCU Version 2.2.5 by H323plus on Unix Linux (2.6.26-2-sparc64-sparc64) at 2009/11/17 14:43:29.321 0:00.082 OpenMCU PWLib File handle high water mark set: 15 Thread unblock pipe 0:00.082 OpenMCU PWLib Created thread 0x162c78 H323 Listener:%0x 0:00.083 OpenMCU PWLib File handle high water mark set: 16 PTCPSocket 0:00.083 OpenMCU H323 Started listener Listener[ip$*:1720] 0:00.084 OpenMCU PWLib Thread high water mark set: 6 0:00.085 OpenMCU H323 FindCapability: "G.711-ALaw-64k{sw}" 0:00.085 OpenMCU H323 Added capability: G.711-ALaw-64k <1> 0:00.085 OpenMCU H323 FindCapability: "G.711-uLaw-64k{sw}" 0:00.086 OpenMCU H323 Added capability: G.711-uLaw-64k <2> 0:00.086 OpenMCU H323 FindCapability: "G.711-ALaw-64k{sw}" 0:00.086 OpenMCU H323 FindCapability: "G.711-uLaw-64k{sw}" 0:00.086 OpenMCU H323 FindCapability: "G.711-ALaw-64k{sw}" 0:00.086 OpenMCU H323 FindCapability: "G.711-uLaw-64k{sw}" 0:00.087 OpenMCU H323 FindCapability: "G.711-ALaw-64k{sw}" 0:00.087 OpenMCU H323 FindCapability: "G.711-uLaw-64k{sw}" 0:00.087 OpenMCU H323 FindCapability: "G.711-ALaw-64k{sw}" 0:00.087 OpenMCU H323 FindCapability: "G.711-uLaw-64k{sw}" 0:00.087 OpenMCU EXT No Extended Capabilities found to load 0:00.088 OpenMCU H323 FindCapability: "*-QCIF*" 0:00.088 OpenMCU H323 FindCapability: "*-SQCIF*" 0:00.088 OpenMCU H323 Added capability: UserInput/hookflash <3> 0:00.088 OpenMCU H323 Added capability: UserInput/basicString <4> 0:00.088 OpenMCU H323 Added capability: UserInput/dtmf <5> 0:00.089 OpenMCU H323 Added capability: UserInput/RFC2833 <6> 0:00.089 OpenMCU H323 Added capability: UserInput/Navigation <7> 0:00.089 OpenMCU H323 Added capability: UserInput/Softkey <8> 0:00.089 OpenMCU H323 Added capability: UserInput/PointDevice <9> 0:00.089 OpenMCU H323 Added capability: UserInput/Modal <10> 0:00.089 OpenMCU MCU Codecs (in preference order): Table: G.711-ALaw-64k <1> G.711-uLaw-64k <2> UserInput/hookflash <3> UserInput/basicString <4> UserInput/dtmf <5> UserInput/RFC2833 <6> UserInput/Navigation <7> UserInput/Softkey <8> UserInput/PointDevice <9> UserInput/Modal <10> Set: 0: 0: G.711-ALaw-64k <1> G.711-uLaw-64k <2> 1: 2: UserInput/hookflash <3> UserInput/basicString <4> UserInput/dtmf <5> UserInput/RFC2833 <6> UserInput/Navigation <7> UserInput/Softkey <8> UserInput/PointDevice <9> UserInput/Modal <10> 0:00.094 OpenMCU PWLib File handle high water mark set: 17 PTCPSocket 0:00.095 OpenMCU PWLib File handle high water mark set: 19 Thread unblock pipe 0:00.095 OpenMCU PWLib Created thread 0x168620 HTTP Service 0:00.095 H323 Listener:f6f8bb90 PWLib Started thread 0x162c78 H323 Listener:f6f8bb90 0:00.095 H323 Listener:f6f8bb90 H323 Awaiting TCP connections on port 1720 0:00.095 H323 Listener:f6f8bb90 TCP Waiting on socket accept on ip$*:1720

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H264 Plugin in H323Plus
by ooi khai chin 24 Nov '09

24 Nov '09

Hi All, regarding the H.241 documentation, it mention that H.264 plugin in H.323 only support single NAL mode. Then, I refer the RFC 3984, it state that single NAL mode only support type 1-23 NAL unit, no FU-A, no FU-B, ... Currently, I am using H.264 hardware encoder which used baseline profile, not libx264. My H.264 encoder(hardware) will only return the whole encoded data and it's total length, not each NAL and it's length. So, how can I make it comply to H.323 if no fragmentation is allowed in H.323? Thanks.

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H264 PLUGIN in h323plus
by ooi khai chin 24 Nov '09

24 Nov '09

Hi All, For the libx264, It directly fragment the encoded data if it larger than the maxpayloadsize (1.4KB by default). If I had encoded data 5.6K. Then, it will fragment and sent out, 4 times. Is it comply to H.323 standard? Because currently other voip (polycom, Mirial...) can't display my encoded data size greater than 1.4K. Thanks.

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H264 PLUGIN in H323Plus
by ooi khai chin 24 Nov '09

24 Nov '09

Hi All, Currently, my H264 plugin able to work with polycom. I found that the media statistic(polycom PVX ) only show the frame rate video format, and display the image if my sending encoded data is not more than 1.4KB. In my code, I do the fragmentation once it greater than 1.4KB(like libx264 do). However, I had read some documentations and all of them mentioned about H.241 only support the single NAL unit mode(mode 0). I wonder how this mode handle if encoded data greater than 1.4KB(usually happen)??? Any Idea? Thanks.

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H264 PLUGIN in H323Plus
by ooi khai chin 23 Nov '09

23 Nov '09

Hi All, I captured the capability exchange from difference voip software like(polycom, vcon...), it show only "0.0.8.241.0.0.1", which is defined as OpalPluginCodec_Identifier_H264_Generic. 1. What is the difference with the others like (default, RFC3984 interleave, RFC3984 non interleave)? Another things is that When I use my H.264 Encoder API, it only return me the encoded data and the encoded length. 2. So, is it considered as single NAL unit? How it can be comply to H.323 since the default MTU value in H.323 is 1400bytes (like fragmentation or other)? I try to increate the MTU value, but it cause me error.

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