1. Hacked Business Owner Stuck With $52k Phone Bill
(Home/General)

A Canadian business man is on the hook for a $52,000 phone bill after someone hacked into his voice mail system and found a way to dial out. The hacker racked up the charges with calls to Bulgaria. C

2. VoiceCon San Fransisco
(Home/General)

I will be at VoiceCon in San Fransisco Novmenber 10-13th, booth 230 - VoIPshield. Should be a great show. Come on by. If some are unfamiliar with the conference schedule check it out here .

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

...ays around them. Possible Remedies Introduce an application layer VoIP aware firewall, SBC, Voice IPS that has an updateable database of signatures that could protect against applicati...

4. Large disclosure of VoIP vendor vulnerabilities
(Home/General)

...s reveals 144 major vulnerabilities. VoIPshield Systems on April 2 will seek to set itself apart among voice-over-IP security providers when it launches what officials claim is the first database o...

5. New VOIP 'Call-Jacking' Hack Unleashed
(Home/General)

Now there's a way for attackers to hijack a user's voice-over-IP service: "call-jacking" could let the bad guys launch sophisticated phishing attacks as well as perpetrate lucrative toll

6. Clearwire Breaks Into VoIP Market
(Home/General)

...delivering wireless broadband services 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 firs...

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

...tform which is usually deployed on a dedicated server, starts around the $8,000 range. They also offer a voicemail solution named the Cisco Unity. Again, this is available in both an Express and Stand...

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

...vice) is a major issue in VoIP implementations. The issue is how to guarantee that packet traffic for a voice or other media connection will not be delayed or dropped due interference from other lo...

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

...h dumb peripherals and intelligent centralized applications. Moreover, RTP streams are used for voice transmission while UDP sits at the transport level. However, UNIStim protocol requires a...

10. National Security Agency Certifies New IP Phone
(Home/General)

...ne has been certified by the National Security Agency (NSA) to protect classified communications via voice over Internet Protocol (VoIP) networks at the Top Secret level and below. Check it out ...

11. Carrier Class Voice over IP
(VoIP Whitepapers/General Articles)

With recent technological advances in Voice over IP, the communications industry has at last reached a position of strength. In the past, technology lacked the maturity to deliver a profitable and s

12. Emergency Call Handling in VoIP Networks
(VoIP Whitepapers/General Articles)

Emergency Call Handling (ECH) is an essential feature of today's public telephone networks, and if Voice over IP based PSTN replacement is to become a reality, the new technology will have to delive

13. Addressing QoS Beyond the Provider Network
(VoIP Whitepapers/General Articles)

Explores the issue of voice quality and current status of QoS technologies in today’s VoIP networks. Discusses the QoS mechanisms SmartNode™ employs on the network access link to ensure

14. Discussing VoIP Bandwidth
(VoIP Whitepapers/General Articles)

...such calculations.  It starts with a basic 'rule of thumb', and then expands this to take specific voice coding algorithms into account. ...

15. Discussing VoIP Protocols
(VoIP Whitepapers/General Articles)

...Engineers Ltd., this white paper describes the protocols which are typically involved when transporting voice over an IP based network.  A basic understanding of the protocols is required in or...

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

... address(s). Recent attacks related to VLAN hopping are not a surprise since the segmentation of voice and data on a VLAN is nothing more than a magic VLAN tag per packet; finding this VLAN ...

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

....    VoIP Hopping: A Method of Testing VoIP security or Voice VLANs SecurityFocus 2007.09.10 VoIP Hopping ...

18. VoIP Sites
(Community/VoIP sites)

... Network World   VoIP Planet The IT Manager's Guide to Voice over IP FierceVoIP VoIP News, VoIP Business, VoIP Security, VoI...

19. Blogs
(Community/Blogs)

...news, reviews and information. Smith on VoIP Garrett Smith's blog Voice over IP weblog   VoIPs4u.com Basic but good b...

20. Podcasts
(Community/Podcasts)

...BlueBox Podcast A weekly podcast offering news, views and commentary on security issues for Voice Over IP and IP Telephony ...

21. Overview
(VoIP Security/General)

Traditional voice services that are delivered using PSTN provide excellent voice quality, very high reliability, carry critical services such as E911, enable federal agencies with ability for law

22. Security Vendors
(VoIP Security/Vendors)

...n VoIP security product is  ETSS version that centrally monitors and manages security throughout a voice network in real-time. Borderware       ...

23. Events and Shows
(VoIP Buzz/VoIP Events)

... East Internet Telephony Conference & Expo January 23-25, 2007 Miami, Florida VoiceCON Orlando March 17-20, 2008 Orlando, Florida Von.X March 17-...

24. What is VoIP?
(Static Content)

IP, the packet technology used on the Internet, has proven its ability to efficiently integrate voice traffic into the flow of data on IP networks, enabling voice and data services to be delivered t