1. Vulnerabilities in Microsoft Exchange Could Allow Remote Code Execution
(Home/General)

This security update resolves two privately reported vulnerabilities in Microsoft Exchange Server. The first vulnerability could allow remote code execution if a specially crafted TNEF message is

2. VoIP over Flash. Groundbreaking.
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This is a big deal. I spend loads of time in Flash and Flex development. Allowing server hosted seamless VoIP clients over a RIA framework such as flash could be groundbreaking. Peer to peer from your

3. Risks in the Enterprise Deconstructed conclusion
(BleedingVoIP Security Series/Security Series)

...likelyhood of attack taking place on your voicemail cluster via some unknown vulnerability at the call server is small, remember it takes only one incident. Again back to my point that a good ...

4. Risks in the Enterprise Deconstructed continued
(BleedingVoIP Security Series/Security Series)

...ook at IP Trunking and PSTN-VoIP gateways.   Risk D - Prison break A typical call server from one of the larger VoIP vendors allows you to support IP trunking, whereby you get ...

5. Clearwire Breaks Into VoIP Market
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...rvices to its customers for several years. Now, it will also try to add voice to that mix. Using Nortel servers, Clearwire hopes to deliver VoIP services for the first time over its own network infr...

6. Cisco vs. Nortel VoIP Enterprise Showdown
(Showdowns/BleedingVoIP Showdowns)

...ng. The pricing is pretty aggressive, with a base system running an enterprise setup with a Communication Server 1000 (CS1000) running anywhere from $15,000 to $30,000 for a small company. Nortel also...

7. Multi vendor VoIP SLA showdown
(Showdowns/BleedingVoIP Showdowns)

...rovide service, voice quality, echo, loss, reliability and so on. A subset of telephony QoS is Grade of Server(GOS), which comprises aspects of a connection relating to the capacity of a network. ...

8. Cisco vs. Nortel VoIP Signaling Showdown
(Showdowns/BleedingVoIP Showdowns)

...saging support for the connection of a client Internet Terminal (IT) such as an Ethernet phone to a host server providing telephony services over an IP network. In Nortel's verbiage, the host server...

9. Microsoft OCS Best practices automated
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Nice tool that can check your OCS configuration, or better yet mis-configuration, automatically! This is vital since 3/4 of all vulnerabilties are due to improper configuration. Check it out at Automa

10. Risks in the Enterprise Deconstructed
(BleedingVoIP Security Series/Security Series)

...d for all Phones, DHCP turned off and good IP ACL rules for all traffic coming to and from the Call servers via the signaling path. Introduce a IDS/IPS with a state full ARP spoofing engi...

11. VoIP in the News
(VoIP Buzz/VoIP News)

...lash. Groundbreaking. Peer to peer from your browser, no longer some primitive applet proxying via a call server. VoIP over Flash 2008.05.18 General News ...

12. VoIP Product Releases
(VoIP Buzz/Product Releases)

Microsoft officially laucnhes its OCS (Office Communication Server) Platform OCS lauch Day 2007.10.16   Cisco Unified Communicatio

13. Microsoft launches OCS
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Microsoft Corp. described wide industry support during the formal announcement of Office Communication Server in San Francisco on Tuesday. Despite the potential to compete against portions of the soft

14. What is VoIP?
(Static Content)

... technical lab. You should be armed with the answers to key questions such as: how to secure my VoIP call server? What vendor is best for a small business? Which vendor's signaling solution is more se...