Users using port 5223 to connect were still able to log in, and at 04:12:52 UTC those users received a broadcast instant message from , an apparently official username used by Google to communicate with their user base, that stated "The broken link has been fixed. Thanks for being our first users!" Port 5222-connectivity was found to have been re-enabled. On August 24, Google Talk was officially launched. On December 15, 2005, Google released libjingle, a C++ library to implement Jingle, "a set of extensions to the IETF's Extensible Messaging and Presence Protocol (XMPP) for use in voice over IP (VoIP), video, and other peer-to-peer multimedia sessions." Libjingle is a library of the code that Google uses for peer-to-peer communication, and was made available under a BSD license. 2006 In 2006, Google reported that they were working on adding new features such as supporting SIP in a future release, which would broaden the userbase for the program. On January 17, 2006, Google enabled server-to-server communications, federating itself with any XMPP server that supported the dialback protocol. On February 7, 2006, Gmail received chat functionality, using Ajax for server–browser communication, and was integrated with Google Talk. It also added the ability to chat with a built-in XMPP client. In August 2006, Google and eBay announced that they would look into making Google Talk users able to communicate with Skype: "The companies will also explore interoperability between Skype and Google Talk via open standards to enable text chat and online presence." However, with Microsoft's acquisition of Skype on May 10, 2011, such interoperability was suspended between Google and eBay. Google integrated Google Talk with Orkut on November 8, 2006. 2007 On March 14, 2007, Google released the Google Talk Gadget, an Adobe Flash-based Talk module that could be added to iGoogle (formally the Google Personalized Homepage) or embedded in any web page, thus, allowing chat from any operating system which was supported by Adobe Flash Player as long as Adobe Flash Player was installed. A screen shot was posted on May 18, 2007, as part of the Google Apps presentation, showing some phone integration in Google Talk. On March 2, 2008. a Google engineer confirmed they had been using it internally for some time. On November 26, 2007, Google Talk released Group Chat capabilities. Before this, users could chat with only one person per window. Group chat allowed many users to chat