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Yate 5.4 and YateBTS 4 launched. Added JSON and DNS support in Javascript, Handover support in YateBTS. Download now!

Yate 4.3 release today January 7 2013. Added XML support in Javascript. SCCP - GTT routing between different networks. Stability improvements.
Download now!

Yate 4.2 release today August 20th 2012. Adds SIP flood protection and improves Jingle / Google Voice support. The Javascript is usable and the SIGTRAN links instability was solved.
Download now!

YateClient was accepted in the Mac Store.

Yate 4.1 release on April 23rd, 2012 and it brings better Gvoice support, iSAC codec, support for new Wanpipe drivers. Fixes T.38 and Mac client issues.

SS7Cloud is launched today, 1st March, 2012, by NullTeam, Yate creators.
Having all you need to be a US CLEC, it brings SS7 services in a cloud.

Yate 4.0 release on February 21st, 2012.
SCCP, TCAP, MAP and CAMEL, TCP and TLS support in SIP, Javascript fast prototyping of telephony applications and brand new face for YateClient.

SIPsocial is a SIP registrar and outbound proxy server - January 28th, 2012.
SIPsocial enables Yate SIP phone services over the Internet securely by means of NAT / firewall devices and provides Yate SIP phone users with privacy protection using PKI (Public Key Infrastructure).

Sipgate chooses open source project Yate for core infrastructure - 4th May 2011.
Short excerpt from the press release: "Following the certification of Yate SS7 stack by Deutsche Telekom's test lab, sipgate has started to deploy Yate at the core of it's softswitch. The decision came following extensive tests to determine stability, scalability as well as resilience."

Yate 3.3.2 minor release on April 12th, 2011. Fixed Jingle calls to Google Voice dropping around 5 minutes in the call.
Yate 3.3 release on April 4th, 2011. Support for GMail chat conference, fixes for internal microphone in MacOS. Minor fixes in SS7 M2PA and ANSI, better link misconfiguration detection. Stability fixes in H.323, SIP and RTP.

Yate 3.2 released on March, 9th, 2011. Bug fixes in SIGTRAN/MGCP/SS7 and added support for CNAM/LNP lookup by SIP INVITE/3xx. Performance improvements in Jabber client and server over large rosters.

Yate 3.1.0 release on January 31st, 2011. Yate client calls can use Google Voice service. All tones in tonegen can be customized, we provide defaults for 40 countries. Remote ringback generation from MGCP gateways is now supported.

Yate3 was released on December 20th, 2010. The server added STP support in SS7 which now passes ITU certification with external SIGTRAN gateways. YateClient has improved looks. Added full Jabber IM support (Google Talk + voice and Facebook).

Yate 3.0.0 alpha 3 released on May 3rd 2010. Based on SVN trunk it brings the new Jabber server, the native XML library and parser, wideband audio support. Improvements and fixes were made in SIP, RTP and SS7 components.

FreeSentral 1.1 released on April 21, 2010. FreeSentral is a full IP PBX based on a Linux distribution, an IP PBX and a Web Graphical User Interface for easy configuration.

Yate 2.2 was released on March 8th 2010. It is mainly a maintenance release with various fixes backported from SVN. The performance of the SIP parser was greatly improved and the fax module can act as T.38 terminal. Worked around the 100% processor load when Qt is using the glib event loop.

Yate 2.1 released on November 2nd 2009, includes Cisco SLT support and PSTN circuits over MGCP gateways, can control both signaling and media of Cisco AS54xx series.

On Aug 6th, 2008, Yate and OpenSIPS (former OpenSER) join to build IP based clusters. The partnership will likely to produce an integrated solution, combining the latest releases from both projects.

Yate 2 launched. New features include analog lines, robbed bit, SS7, passive recording on E1/T1 and analogic, clustering, high availability, MGCP, and Jingle. libpri was replaced with ysig. In YateClient, jingle support was added and the interface was improved. The GTK interface was replaced with a Qt interface. Get your copy from the Download page.

Yate 2.0.0 alpha 2 released on February 4, 2008. A new late routing module allows sending ENUM routed or forked calls to numbers of registered phones. More...

Yate 2.0.0 alpha 1 released on January 21, 2008. There are many changes in the API and provided modules allowing for more flexibility and further development. There is a brand new stack for PSTN protocols supporting ISDN, SS7 and analog cards. Yate is also moving towards clustering capabilities by providing MGCP support and Linux-HA heartbeat support. A new Qt 4 based client improves the look and allows easier development of custom solutions.

Yate 1.3.0 released on September 3, 2007. This release consists mainly of small improvments and minor bug fixes.
Many abnormal SIP conditions are better handled to improve interoperability. The supervisor is more forgiving on startup avoiding trashing already overloaded servers. The client interface was also fixed and the ENTER key now defaults to start a new call which gets added to the combo box for quick retrieval. Finally, many debugging messages including SIP and IAX events can be displayed in the client's event window.

Trisys decided to use a Yate based solution using Sangoma hardware. The press release can be found at Open Source Experts

Finally, Yate 1.2.0 release on April 14, 2007!!!
Added support for Jingle, XML and improved PBX support.
Jingle implementation allows Yate to act as an external component for a Jabber server to interconnect with GoogleTalk. The recomanded Jabber server by Null Team is Tigase.
The XML support is based on a modified TinyXML, which has been included in the Yate tree.
The improved PBX support means: transfer failures are reported to the user, secure access to PBX, flexible configuration.
Several bug fixes are also included. See the changelog or the CVS commit log for more details or go directly to the download page.


Today September 25, 2006 we released Yate 1.1.0 including a fax channel for Linux, a fax tone detector, routing with fallback from a database. There are also many minor improvements and bug fixes over version 1.0.0 you can find in the changelog. You can get it as usual from the download page in several binary and source formats.

Yate version 1 was released on July 10th, 2006. It includes all the new features developed in the 0.9 series and all the fixes and improvments in a nicer packaging. It also includes the new Yate IAX stack with support for trunking the voice frames and a customizable PBX implementation. Download, install and give it a try.

This is the second year Null Team will be present at VON Europe, 15-18 May. Come and visit us at the booth of Sangoma. Diana will take part in "The Open Source Model" session which is between 11:30 - 12:45 on Thursday, May 18.

Freshmeat has published an article about SIP NAT traversal in Yate and Skype.

We recompiled the 0.9.0pre4 binaries for Windows because the old one crashed on any call trough Wanpipe. It seems the Visual Studio damaged some object files by crashing while compiling. You can also download this CVS built Windows binary featuring GSM codec and database drivers.

Yate 0.9.0pre4 minor release. The main improvments are in server-side support for NAT traversal of SIP and RTP for clients behind NAT. Calls should succeed for any NAT device that does not also block ports by firewall. Some support was also added on the client side (Yate behind NAT) when remote servers require usage of the public IP address.

The CDR times and intervals are now expressed in milliseconds and some abnormal conditions were fixed. Please note that the PHP libraries were upgraded to PHP 5 and are no longer compatible with PHP 4 - a simple sed command is provided to convert them back.

Yate 0.9.0pre3 is available. This minor release fixes a number of small but annoying problems related to building Yate, SIP media and H.323 called number.

Yate 0.9.0pre2 it's available. Added features are iLBC codec and DTMF generation.

After a long wait Yate-0.9.0 is available. It comprises a lot of improvements starting with a fully rewritten engine, a new RTP stack, the Windows port, the conference module, the Sangoma E1/T1 cheap cards support for both Windows and Linux. This new package also contains YateClient which is a multiprotocol H.323, SIP and IAX VoIP client. It requires GTK 2.6.8 for Windows and is fully skinnable.

We added an archive of the mailing list and we are waiting for Google to index it.

Null Team together with Sangoma will be present at VON Europe, 24-26 May. Come and visit us at booth 1020. Diana Cionoiu will talk in the "Open Source Telecoms" topic which is between 1.40 - 2.55 pm, May 24th.

Sangoma Technologies Supports Development Of Yate Telephony Project Under Windows

Null Team website - the primary sponsor of Yate has been released. Null Team offers solutions based on Yate.

We've tested Yate with Sangoma A101c and A102c using Zaptel drivers.

Radu Spineanu and Killian Krause done debs packages for yate.

H323 to SIP Signalling proxy functionality is now in Yate and is stable, please let us know if you find any problems regarding that.

Diana was in Geilenkirchen and has a presentation in OpenOffice.org format about Yate. The pdf version is also available.

Yate version 0.8.7 has been realeased. We have fixed a bug regarding IAXchan, that has been present in libiax2. We encourage all Yate users to upgrade to this version. We are sorry for any inconvenience caused by this bug.

Yate version 0.8.6 has been released. Changes include bugfixes, our Yass (Yet Another SIP Stack), a lot of improvements regarding H.323, IAX channels, standardized messages for all the channels, and an improved regular expression module. It also have a QT interface for the Yate used as a VoIP multiprotocol client. It can be used now as an SIP - H.323 signalling proxy.

Yate CVS version is working with uclibc.

Yate version 0.8.5 has some bugs fixed and the most important the new fax channel that will allow you to build nice things like fax2mail or mail2fax or fax via voip.

Help needed.
Please take a look at Helping Out section.

Yate version 0.8.4 is finally here after 5 months of hard work. Now Yate is a production ready software. It is currently used as a H323/Zaptel PBX for a call center.

We have updated our website. If you have any problems please drop me an e-mail at Diana

We've been in Bordeaux, France and we talk about Yate. The slides are here

July 2014:
Yate 5.4 and YateBTS 4 launched. Added JSON and DNS support in Javascript, Handover support in YateBTS.

March 2014:
YateBTS 2.0 launched. Added authentication and WebGUI. Added USSD support in commercial version.

March 2014:
Yate 5.2 launched. Better JavaScript support and a fixed memory leak.

Jan 2014:
YateBTS 1.0 launched. The first GSM Basestation which works with an IMS/VoLTE core network.

Jan 2014:
Yate 5.1 launched. Better JavaScript support and added libygsm. Elisa chatbot added in RManager

Oct 2013:
OpenHSS is the Yate based HLR/HSS solution for MVNO and LTE carriers.

Oct 2013:
Yate 5 released. Added IPv6 support in SIP for LTE. Improved JavaScript support. Download NOW

Jan 2013:
Yate 4.3 released: Added XML support in Javascript. SCCP - GTT routing between different networks. Stability improvements.
Download NOW

Aug 2012:
Yate 4.2 released: SIP flood protection. Better Jabber/Google Voice support. Usable Javascript. Fixed SIGTRAN links fluctuations.
Download NOW

Apr 2012:
YateClient was accepted in the Mac Store.

Yate 4.1 released: better Gvoice support, iSAC codec, support for new Wanpipe drivers. Fixes T.38 and Mac client issues.

Mar 2012:
SS7Cloud is launched today, 1st March, 2012, by NullTeam, Yate creators. Having all you need to be a US CLEC, it brings SS7 services in a cloud.

Feb 2012:
Yate 4.0 released.
SCCP, TCAP, MAP and CAMEL, TCP and TLS in SIP, Javascript fast prototyping of telephony applications and brand new face for YateClient.

Nov 2011:
Here is a video that, quote "demonstrates the truly awesome power of the YATE engine, as it easily handles 3 simultaneous calls to an audio player application including dtmf (button press) handling "(from PaintedRockComm).

Nov 2011:
Yate will attend ORR - OPENRHEINRUHR (November 12 - 13).

04 May 2011:
sipgate chooses open source project Yate for core infrastructure.

12 Apr 2011:
Yate 3.3.2 released.
Fix for Jingle calls to Google Voice dropping after 5 minutes.
4 Apr 2011:
Yate 3.3 released.
Support for GMail chat conference, fixes for internal microphone in MacOS. Minor fixes in SS7 M2PA and ANSI. Fixes in H.323, SIP and RTP.

9 Mar 2011:
Yate 3.2 released.
Bug fixes in SIGTRAN/MGCP/SS7 and added support for CNAM/LNP lookup by SIP INVITE/3xx.

Feb 2011:
Yate will attend FOSDEM and XMPP summit.

31 Jan 2011:
Yate 3.1 released.
Yate client support for Google Voice. Support for any country tones in tonegen.

20 Dec 2010:
Yate 3.0 released.
SS7 ITU certified. SS7 STP added. Client supports Jabber IM (Google Talk + Facebook).

3 May 2010:
Yate 3.0.0 alpha 3 released. Featuring the new Jabber server and wideband audio.

8 March 2010:
Yate 2.2 released. Mostly bug fixes. Dahdi compatible. Latest 2 release before 3.0.

6-7 February 2010:
Yate booth at FOSDEM 2010. Free CD with Freesentral available.

2 Nov 2009:
Yate 2.1 launched. Can replace a Cisco PGW2200 to control a Cisco AS54xx.

6 Aug 2008:
Yate and OpenSIPS (former OpenSER) join to build IP based clusters.

4 Aug 2008:
Yate 2 launched.


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