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

...terprise. I always think of it as a wormhole into a distant place, a place that is normally fortified by layer upon layer of defenses to prevent public access. What I find most intersting in particula...

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

...e. How you ask? well take for example a typical setup whereby you've got your Call Manager sitting a few layers from your core routing switches facing the outside world. Let's imagine this outside poi...

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

...tra amount on training and support maintenance?      Cisco is a much newer player into the traditional "telecom" market, but have a very strong presence in the I...

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

...smission while UDP sits at the transport level. However, UNIStim protocol requires a reliable transport layer to be able to deliver signaling services in a robust manner, similar to TCP. To address ...

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

...than a magic VLAN tag per packet; finding this VLAN tag is trivial since its running over an unsecured layer 2 protocol called Cisco Discovery Protocol (CDP); knowing the weaknesses and assumption...

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

...structure. The VLAN hopping attack shows how a very simple exploit of the unauthenticated nature of Layer 2 protocols allows hackers to easily inject packets which are able to reach a forbidd...

7. Overview
(VoIP Security/General)

...onsidered to be 150 ms after which "voice" service is considered affected. However, the multi-layer nature of security infrastructure could add significant delays and jitter that would mak...

8. Vendor Showdowns
(Static Content)

...aches to deliver secure and robust VoIP services across market segments. Let's take a look at the big players followed by the smaller guys.   BIG FISH Cisco Systems   ...