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	<title>chackraview.net &#187; Voice Over IP</title>
	<atom:link href="http://blog.chackraview.net/category/voice-over-ip/feed/" rel="self" type="application/rss+xml" />
	<link>http://blog.chackraview.net</link>
	<description>There is no such thing as closed source software…the processor sees every instruction and so does the reverse engineer…</description>
	<lastBuildDate>Fri, 03 Feb 2012 17:51:52 +0000</lastBuildDate>
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		<item>
		<title>Breaking into 802.1x EAP-MD5 Port based authentication in Wired VoIP Network &#8211; I</title>
		<link>http://blog.chackraview.net/2010/01/30/breaking-into-8021x-eap-md5-port-based-authentication-in-wired-voip-network-i/</link>
		<comments>http://blog.chackraview.net/2010/01/30/breaking-into-8021x-eap-md5-port-based-authentication-in-wired-voip-network-i/#comments</comments>
		<pubDate>Sat, 30 Jan 2010 21:12:53 +0000</pubDate>
		<dc:creator>bughira</dc:creator>
				<category><![CDATA[Information Security]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[802.1x]]></category>
		<category><![CDATA[EAP-MD5]]></category>
		<category><![CDATA[Port Based Authentication]]></category>

		<guid isPermaLink="false">http://bughira.wordpress.com/?p=78</guid>
		<description><![CDATA[To avoid physical security breaches and un-authorized access from publicly available network ports laying in lobby or reception, companies use port based authentication schemes. Once implemented device needs to authenticate itself with the authenticating server to prove its identity and once proved, gets access to the network. Thus providing authentication mechanism to devices wishing to [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2010/01/30/breaking-into-8021x-eap-md5-port-based-authentication-in-wired-voip-network-i/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>OCS 2007 R2 Installation</title>
		<link>http://blog.chackraview.net/2010/01/25/ocs-2007-r2-installation/</link>
		<comments>http://blog.chackraview.net/2010/01/25/ocs-2007-r2-installation/#comments</comments>
		<pubDate>Tue, 26 Jan 2010 01:42:14 +0000</pubDate>
		<dc:creator>bughira</dc:creator>
				<category><![CDATA[General Talks]]></category>
		<category><![CDATA[HOWTO's]]></category>
		<category><![CDATA[OCS]]></category>
		<category><![CDATA[VMWare]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[Deploy Server]]></category>
		<category><![CDATA[Deployment Guide]]></category>
		<category><![CDATA[IP-PBX]]></category>
		<category><![CDATA[OCS Communicator]]></category>
		<category><![CDATA[OCS R2]]></category>
		<category><![CDATA[Office Communication Server]]></category>
		<category><![CDATA[Unified Communication]]></category>
		<category><![CDATA[VoIP]]></category>

		<guid isPermaLink="false">http://bughira.wordpress.com/?p=264</guid>
		<description><![CDATA[In the increasing race of deploying VoIP solutions, Microsoft announced new release of its Office Communication Server 2007 at voicecon. In spite of having all the deployment and installation guides for OCS server, many people are clueless about its installation. The main reason behind it is its complexity. Looking at wide range of service portfolios [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2010/01/25/ocs-2007-r2-installation/feed/</wfw:commentRss>
		<slash:comments>23</slash:comments>
		</item>
		<item>
		<title>VideoJak: Now Hijaking IP Video Surveillance Camera!!!</title>
		<link>http://blog.chackraview.net/2010/01/25/videojak-now-hijaking-ip-video-surveillance-camera/</link>
		<comments>http://blog.chackraview.net/2010/01/25/videojak-now-hijaking-ip-video-surveillance-camera/#comments</comments>
		<pubDate>Tue, 26 Jan 2010 01:42:13 +0000</pubDate>
		<dc:creator>bughira</dc:creator>
				<category><![CDATA[Information Security]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[Defcon 17]]></category>
		<category><![CDATA[Security Camera Hack]]></category>
		<category><![CDATA[VideoJak]]></category>
		<category><![CDATA[VIPER Lab]]></category>

		<guid isPermaLink="false">http://bughira.wordpress.com/2009/08/03/videojak-hijaking-ip-video-calls-2/</guid>
		<description><![CDATA[Researchers from VIPER Lab, kept their promise of delivering exciting and freaky features in the coming version of videoJak. VideoJak rocked Defcon 17 with some thrilling video attack demonstrations which we have seen only in Bond Movies.]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2010/01/25/videojak-now-hijaking-ip-video-surveillance-camera/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>CISCO SKINNY Phones and Asterisk: Part I</title>
		<link>http://blog.chackraview.net/2010/01/24/cisco-skinny-phones-and-asterisk-part-i/</link>
		<comments>http://blog.chackraview.net/2010/01/24/cisco-skinny-phones-and-asterisk-part-i/#comments</comments>
		<pubDate>Sun, 24 Jan 2010 07:43:14 +0000</pubDate>
		<dc:creator>bughira</dc:creator>
				<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[Asterisk skinny module]]></category>
		<category><![CDATA[chan_sccp]]></category>
		<category><![CDATA[Cisco Phones]]></category>
		<category><![CDATA[VoIP]]></category>

		<guid isPermaLink="false">http://bughira.wordpress.com/?p=62</guid>
		<description><![CDATA[Welcome to the my first multi-part tutorial on configuring Cisco Skinny Phones with Asterisk. This is two part tutorial and is divided as : Part 1: Configuring asterisk with Skinny Client Control Protocol (SCCP) module Part II: Configuring the Cisco Phone and registering it with earlier configured Asterisk Server. If you already have asterisk configured, [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2010/01/24/cisco-skinny-phones-and-asterisk-part-i/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>OAT: First ever M$ OCS Assessment Tool Released</title>
		<link>http://blog.chackraview.net/2010/01/14/oat-first-ever-m-ocs-assessment-tool-released/</link>
		<comments>http://blog.chackraview.net/2010/01/14/oat-first-ever-m-ocs-assessment-tool-released/#comments</comments>
		<pubDate>Thu, 14 Jan 2010 22:45:26 +0000</pubDate>
		<dc:creator>bughira</dc:creator>
				<category><![CDATA[General Talks]]></category>
		<category><![CDATA[Information Security]]></category>
		<category><![CDATA[OCS]]></category>
		<category><![CDATA[Security Tools]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[OAT]]></category>
		<category><![CDATA[OCS Assessment Tool]]></category>
		<category><![CDATA[OCS security]]></category>
		<category><![CDATA[VIPER Lab]]></category>
		<category><![CDATA[VoIP Security]]></category>

		<guid isPermaLink="false">http://bughira.wordpress.com/?p=328</guid>
		<description><![CDATA[Sipera VIPER Lab is in news again; this time by targeting Award Winning UC solution from Microsoft.  Viper Lab released first ever Microsoft Office Communication Server Assessment Tool (OAT) at VoiceCon 2009 in Orlando. Tool is named OAT and is develop to help IT manager and security practitioners evaluate the security architecture of their deployments [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2010/01/14/oat-first-ever-m-ocs-assessment-tool-released/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Gain Root access on Cisco Unified Communication Manager</title>
		<link>http://blog.chackraview.net/2010/01/03/gain-root-access-on-cisco-unified-communication-manager/</link>
		<comments>http://blog.chackraview.net/2010/01/03/gain-root-access-on-cisco-unified-communication-manager/#comments</comments>
		<pubDate>Mon, 04 Jan 2010 01:12:47 +0000</pubDate>
		<dc:creator>Abhijeet</dc:creator>
				<category><![CDATA[HOWTO's]]></category>
		<category><![CDATA[Information Security]]></category>
		<category><![CDATA[VMWare]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[CentOS]]></category>
		<category><![CDATA[chattr]]></category>
		<category><![CDATA[Cisco License Unit]]></category>
		<category><![CDATA[Cisco UCM]]></category>
		<category><![CDATA[CUCM]]></category>
		<category><![CDATA[Linux Immutable flag]]></category>

		<guid isPermaLink="false">http://blog.chackraview.net/?p=520</guid>
		<description><![CDATA[My previous post talks about Installation of Cisco Unified Communication manager 7.0 under VMWare. Once you have installed UCM under VMWare, Cisco gives 150 free license units from its demo licenses. As you keep adding phones and enable various services, these license units gets consumed. Once the license unit count reaches to zero; you can [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2010/01/03/gain-root-access-on-cisco-unified-communication-manager/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Installing Cisco UCM 7.x in VMWare</title>
		<link>http://blog.chackraview.net/2009/12/25/installing-cisco-ucm-7-x-in-vmware/</link>
		<comments>http://blog.chackraview.net/2009/12/25/installing-cisco-ucm-7-x-in-vmware/#comments</comments>
		<pubDate>Sat, 26 Dec 2009 01:55:31 +0000</pubDate>
		<dc:creator>Abhijeet</dc:creator>
				<category><![CDATA[HOWTO's]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[VMWare]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[Call Manager]]></category>
		<category><![CDATA[Cisco]]></category>
		<category><![CDATA[CUCM 7.0]]></category>

		<guid isPermaLink="false">http://blog.chackraview.net/?p=487</guid>
		<description><![CDATA[Being a VoIP Security researcher, I need seamless access to variety of Call managers. Its always better to have a small lab setup in your home for offline research requirements. When one think about setting up a low budget, realistic lab, virtualization is the first thing comes in the mind. Today i will walk you [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2009/12/25/installing-cisco-ucm-7-x-in-vmware/feed/</wfw:commentRss>
		<slash:comments>14</slash:comments>
		</item>
		<item>
		<title>Defeating UCSniff</title>
		<link>http://blog.chackraview.net/2009/12/17/defeating-ucsniff/</link>
		<comments>http://blog.chackraview.net/2009/12/17/defeating-ucsniff/#comments</comments>
		<pubDate>Fri, 18 Dec 2009 05:50:07 +0000</pubDate>
		<dc:creator>Abhijeet</dc:creator>
				<category><![CDATA[HOWTO's]]></category>
		<category><![CDATA[Security Tools]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[arp poisoning]]></category>
		<category><![CDATA[dhcp snooping]]></category>
		<category><![CDATA[Dynamic Arp Inspection]]></category>
		<category><![CDATA[Eavesdropping]]></category>
		<category><![CDATA[Ettercap]]></category>
		<category><![CDATA[VoIP Call recording]]></category>
		<category><![CDATA[VoIP Security]]></category>

		<guid isPermaLink="false">http://blog.chackraview.net/?p=458</guid>
		<description><![CDATA[If one asks VoIP vendors about their biggest security risk, the obvious answer would be eavesdropping. It’s a breach in confidentiality of the communication and can cause huge business impact. Unified Communication sniffer (UCSniff) is a next generation VoIP sniffing tool from VIPER Lab.  It can smoothly detect and sniff ongoing audio/video call sessions between [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2009/12/17/defeating-ucsniff/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Cannot Synchronize Address Book: Resolved</title>
		<link>http://blog.chackraview.net/2009/11/28/cannot-synchronize-address-book-resolved/</link>
		<comments>http://blog.chackraview.net/2009/11/28/cannot-synchronize-address-book-resolved/#comments</comments>
		<pubDate>Sat, 28 Nov 2009 22:02:13 +0000</pubDate>
		<dc:creator>bughira</dc:creator>
				<category><![CDATA[HOWTO's]]></category>
		<category><![CDATA[OCS]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[0xC3FC200D]]></category>
		<category><![CDATA[Cannot Synchronize Address Book]]></category>
		<category><![CDATA[D-0ba0-0ba2.dabs]]></category>
		<category><![CDATA[OCS Communicator]]></category>
		<category><![CDATA[Office Communication Server]]></category>
		<category><![CDATA[Outlook Synchronization]]></category>

		<guid isPermaLink="false">http://bughira.wordpress.com/?p=316</guid>
		<description><![CDATA[Like most of the users I too used to get &#8220;Cannot Synchronize Address Book&#8221; notification whenever i used to login in my OCS Communicator client. This happened when we do custom installation of any application, do not configure optional features etc. I used to ignore that notification most of the time except today. I got [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2009/11/28/cannot-synchronize-address-book-resolved/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>IM and VoIP on iPhone/iTouch</title>
		<link>http://blog.chackraview.net/2009/09/24/iphoneitouch-and-ims-gtalkyahoo/</link>
		<comments>http://blog.chackraview.net/2009/09/24/iphoneitouch-and-ims-gtalkyahoo/#comments</comments>
		<pubDate>Fri, 25 Sep 2009 00:44:57 +0000</pubDate>
		<dc:creator>bughira</dc:creator>
				<category><![CDATA[iPhone]]></category>
		<category><![CDATA[Voice Over IP]]></category>
		<category><![CDATA[Fring on iPhone]]></category>
		<category><![CDATA[GTalk]]></category>
		<category><![CDATA[iTouch]]></category>
		<category><![CDATA[VoIP]]></category>
		<category><![CDATA[Yahoo Messenger]]></category>

		<guid isPermaLink="false">http://bughira.wordpress.com/?p=5</guid>
		<description><![CDATA[hi All, Apple iPhone market is booming a lot these days. Lot of incidence of iPhone being out of stock from Apple store are reported in recent past. Open source community is busy in developing new stuffs for iPhone/iTouch and trying to scale it much ahead than simple phone or music station. Till now it [...]]]></description>
		<wfw:commentRss>http://blog.chackraview.net/2009/09/24/iphoneitouch-and-ims-gtalkyahoo/feed/</wfw:commentRss>
		<slash:comments>9</slash:comments>
		</item>
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