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Question about H.460.18 in CVS repository
by Marcos Fábio Jardini 24 Apr '08

24 Apr '08

Hi Simon While I was synchronizing my sources I realized that the H.460.18 is also in the 'extensions' diretory. Is that a patch to the H.460.18 and H.460.19 sources presents in h323plus source? Thanks in advance. ----- Jogue RPG, alimente o lado criativo!

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how to switch a point-to-point conference to multi-party conference
by Bian 24 Apr '08

24 Apr '08

Hi What is the standard way to switch a point-to-point conference to multi-party conference? (The condition is that the codec used in multi-party conference is not same as that in point-to-point call, for example, when in p2p call the endpoint communicate using H.264, and in multi-party confernce they use H.263 codec ) The SONY PCS endpoint's method is that the ep close all logical channels and re-issue capability, then re-open logical channel. I don't know if this is a standard method and if can cooperate with other endpoints. regards, bian ___________________________________________________________ 雅虎邮箱，您的终生邮箱！ http://cn.mail.yahoo.com/

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Problem connecting with Polycom VSX 7000
by Abhishek Rohilla 17 Apr '08

17 Apr '08

Hi Has anyone ever tried t connect to Polycom VSX 7000 using H323+. I am trying to do it with both H.261 and H.263. It works fine with H.261 but with H.263 no image is displayed on Polycom side. The call statistics of Polycom show frame rate of 25 but video is blank. i guess there might be some problem with H.263 plugin. Polycom and my machine are on the same LAN. Does anyone have any idea about this problem? please help.

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How to know about the remote sides H.239 capabilities?
by Abhishek Rohilla 16 Apr '08

16 Apr '08

Hi Does anyone have any idea about how to know whether the remote side with which connection has been established supports H.239 or not. R Right now I try to open an extended session and check its return value. Is there any call in H323Plus which returns the H.239 capability status of remote side.Since we have already exchanged the capabilities, this information must be available somewhere. Please help!!

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Message waiting indications(MWI) for Voicemail messages
by Anisha Kumar 07 Apr '08

07 Apr '08

Hi all , I have a requirement to support MWI in my device, which has support to both SIP and H.323. I see that there is H.450.7 Supplementary Service for that in H.323. But i am not sure practically it is being used in normal deployments. I am trying to find if Asterisk or any other opensource PBX support it.From my analysis i see that Asterisk does have support to MWI for SIP . But could not find out how is the notification done for H.323. Does anybody here have any idea how is it done for H.323 endpoints ? What is the normal means/procedure by which an IP-PBX provides MWI for Voicemail messages to the H.323 endpoints ? Awaiting an earliest positive response . Thanks & Regards, Anisha

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Server for testing
by Anisha Kumar 04 Apr '08

04 Apr '08

Hi , I need an opens source or freeware server that can provide Voice Mail ,Conferencing and Mobility functionalities to H.323 and a SIP endpoints. Is Asterisk the only option or are there any other such servers available for testing ? Kindly do provide your valuable suggestions .Awaiting an earliest response. Regards, Anisha

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Re: [h323plus] t38modem how to build ?
by forum 02 Apr '08

02 Apr '08

Your support solved my problem, now I can use t38modem 1.0.1 with H323. Thanks. Where can I get support for T38Modem to make it work with OPAL ? I DL "cvs -z3 -d:pserver:anonymous@openh323.cvs.sourceforge.net:/cvsroot/openh323 co -D "5/21/2007 23:59:59" opal" but with no positive result... I can run configure only with: ./configure --disable-versioncheck --enable-localspeex After I get a binary, t38modem it's looking for lib pwlib 1.12... with now is 2.0.1 :) Renameing 2.0.1 lib to 1.12, won't help... At 15:21 02-04-08, you wrote: >You have more choices: > >1. Add your library location(s) into your /etc/ld.so.conf file and >run ldconfig >This will add new locations to the paths the system is looking for libraries. > >2. run t38modem with this: >LD_LIBRARY_PATH=/root/h323plus/obj_linux_x86_r:/root/pwlib/obj_linux_x86_r >.-t38modem >or something like that. > >3. move your library files into a proper location (e.g. /usr/lib/), >maybe use make install under pwlib and h323plus directories > >T.

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Plug in for H.264 codec
by Anisha Kumar 02 Apr '08

02 Apr '08

Hi , I want to know if the H323Plus code, has support for H.264 Plug-in ? Are there any sample code or application avaiable for the same. We need to have a videoconferencing application with H.264 support. Is it possible to use H323Plus for the same and what amount of implementations will be required for it. Awaiting an earliest positive response. Thanks in advance, Anisha

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GNU Gatekeeper 2.2.7 released
by Jan Willamowius 02 Apr '08

02 Apr '08

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 What's new in 2.2.7 ? Here are just a few highlights: - virtual queues now also work on unregistered calls - per prefix capacity limits - Q.931 cause code translation per gateway - new 'sql' routing policy - auto-reconnect for current MySQL - status port MakeCall command implemented - H.460.9 realtime QoS monitoring - H.460.interop support - H.350 authentication - set multiple failover routes via Radius - alias filtering (eg. for Polycom compatibility) - many bug fixes and a lot more (see the full Changelog below) To compile GnuGk 2.2.7 you can use OpenH323 Atlas (OpenH323 1.18.0 / PWLib 1.10.3) or the latest H323Plus release. Using Atlas should be a rock solid foundation, but some of the very latest features need H323Plus to get activated. See http://www.gnugk.org/compiling-gnugk.html Regards, Jan -- Jan Willamowius, jan(a)willamowius.de, http://www.gnugk.org/ Changes from 2.2.6 to 2.2.7 =========================== - clarified optional rule effect on auth modules, new "alternative" rule added WARNING: semantics of optional rules has changed slightly - BUGFIX(gk.cxx) don't look for the default config file gatekeeper.ini if -c switch is given - BUGFIX(RasTbl.cxx) honor setting of Called/CallingTypeOfNumber in [EP::..] section - BUGFIX(Toolkit.cxx) fix detection of default IP when host has a default route, but no default gateway - SQLBill: implement fixed per-call billing - BUGFIX(contrib/sqlbill/sql/src/upgrade_tables.sql): fix wrong foreign key reference - implement SendProceeding command on status port (experimental) - BUGFIX(Routing.*): calls from registered endpoints to IPs should match vqueue ^.*$ - added cause code translation (see [EP::..] TranslateReceivedQ931Cause and TranslateSentQ931Cause) - Added H.450 Call Transfer emulator [RoutedMode] EnableH450.2=1 - implement MakeCall command on status port - BUGFIX SRV policy correctly detects E.164 number. - BUGFIX Radius module now sent public IP of endpoints behind NAT. - new switches [RoutedMode] GenerateCallProceeding, UseProvisionalRespToH245Tunneling (experimental) - new SQLAUth variable %{CallId} - BUGFIX(RasTbl.*,SoftPBX.cxx) status port commands (find,disconnectcall,transfercall) could influence round-robin order - enable auto-reconnect for MySQL >= 5.0 - BUGFIX(capctrl.cxx) counters were incorrectly updated for H.323ID and CLI rules - Added %{CallLink} SQL parameter for correct billing of H.450 call transfer - BUGFIX (proxychannel.cxx) Detect call signalling is using H.245 Tunneling but says it doesn't - BUGFIX (RasSrv.cxx) Endpoint registered on same machine as GnuGk should not be treated as being NAT. - added H.460.interop support for interworking of NetMeeting with everything else (req. OpenH323 v1.19.5) - added [GkQoSMonitor] H.460.9 realtime QoS monitoring (req. OpenH323 v1.19.5) - BUGFIX (statusacct.*) output callID in same format as other status port events (spaces replaced with dashes) - new status port command: printcc - BUGFIX (RasTbl.cxx) preserve internal call number for each failed call record if we have SingleFailoverCDR option enabled. This allow CapacityControl and other modules to work fine with failover enabled - BUGFIX (RasTbl.cxx) don't send URQ to permanent endpoints on shutdown - BUGFIX (Routing.cxx) fix LRQ canMapAlias detection for vqueue - BUGFIX (RasTbl.cxx) added missing include file for H.350 support - added Prefix support for MCU's - extend virtual queue functionality to unregistered calls (anonymous sponsor) - remove SignalCallId switch, now call ID is always sent with status port events - new status port command: PrintPrefixCapacities/printpc - implement rate limiting, configured by CpsLimit and CpsCheckInterval in the [RoutedMode] section, defaults to OFF - BUGFIX (RasSrv.cxx, GkClient.cxx) deal better with having no RAS interfaces at all - BUGFIX (RasSrv.cxx) ensure compatibility with PWLib < 1.9.3 - new 'sql' routing policy configured via [Routing::Sql], sponsored by CoProSys - BUGFIX (RasTbl.cxx) fix race condition where same call number could be assigned multiple times - BUGFIX (RasTbl.cxx) avoid memory reference in AliasTypeFilter that causes crash on endpoint delete - Added [GkH350::Settings] H.350 LDAP directory support (req. OpenLDAP,OpenH323 v1.19.5) - Added H.350 Authenticator module (req. OpenLDAP,OpenH323 v1.19.5) - new accounting variable %{bandwidth} - allow Radius server to send multiple destinations in "h323-redirect-number" attribute for call failover (patch by Lucas Ma - Added Alias Filter via [RasSrv::RRQFeatures] AliasTypeFilter - Added RDS (resolver discovery service) Routing policy - BUGFIX (RasTbl.cxx) check route capacity just before it is used for failover, not only at the beginning of the call (patch - Added HTTP Service control via [RasSrv::RRQFeatures] AccHTTPLink - BUGFIX (GkStatus.cxx) add semicolon after status port 'debug cfg' output for consistency - Added [RasSrv::AssignedAlias] to gatekeeper assign aliases - Added [RasSrv::AssignedGKs] to assign gatekeepers based on alias or IP.(req. H.323v6) - Added [Gatekeeper::Main] Authenticators option to select which authenticators to use. (req. openh323 v1.19) - BUGFIX (ProxyChannel.cxx) Finally fixed same nat bug with GnuGk NAT method - [EP::xxx] PrefixCapacities: limit capacity by prefix on an endpoint - BUGFIX (gkauth.cxx) Fixed H.235.1 Authenticator - [RoutedMode] added ENUMservers setting

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t38modem how to build ?
by forum 02 Apr '08

02 Apr '08

Hello ! I try to build, t38modem from version 8.x.x since half a year, with no positive result, also from the svn... :( Now I see you have realese version 1.0.1, but still there is NO documentation for this... :( I presume there is need for: - PWLIB or PTLIB - version ? link to DL ? - OpenH323 or H323Plus - version ? link to DL ? - Opal (yes I need SIP !) - version ? link to DL ? and of course t38modem 1.0.1 My system is: Slackware 11, kernel 2.6.24.3 Thank you.

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