Sipera VIPER Lab has disclosed multiple threat advisories for users of VoIP services and equipment from Vonage, Globe7 and Grandstream.
From the Press Release:

Sipera VIPER Lab determined the Vonage VoIP Motorola Phone Adapter (VT 2142-VD) and Vonage service implementations leave users vulnerable to a form of VoIP identity theft, allowing hackers to take over a user’s […]

On Oct. 19, 2007, AT&T filed a lawsuit against VoIP provider Vonage seeking damages for alleged patent infringement. How much more can Vonage take?
The patent that AT&T is alleging infringement is another very generic technology patent.
From U.S. Patent 6,487,200:

A packet telephone system which employs a packet network that provides virtual circuits. The packet telephone system […]

In an opinion handed down on June 1st, 2007 the US Court of Appeals responds to Vonage v. FCC (USF) in the matter of the required contributions to the Universal Service Fund.
Vonage has challenged a Federal Communications Commission order requiring the contribution to the Universal Service Fund (USF).
“Specifically, [Vonage] claims that, in requiring such […]

The battle rages on: C|net News has reported that The U.S. Court of Appeals for the Federal Circuit has blocked the injunction from taking effect until they are able to hear arguments in the case.
This means business as usual at New Jersey based Vonage.

BusinessWeek.com announced that Judge Hilton barred Internet Telephone Provider Vonage from signing up any new customers.
This is a blow for Vonage, but they are still very much alive and fighting.
I see this sparking other similar lawsuits.

Bloomberg just announced that U.S. District Judge Claude Hilton approved Verizion’s injunction against Vonage. However, Hilton stated he wouldn’t sign the order before a hearing for Vonage’s request for a stay has completed - which is scheduled to take place in two weeks.
On March 8th a Jury found that Vonage infringed three patents and should […]

The FCC’s decision to except VoIP Providers from State telecommunicationns regulations was upheld by the U.S Court of Appeals for the Eighth Circuit Court. This is great news for VoIP Providers like Vonage, but a disappointment for those states wanting to gain control and taxation over VoIP based services.
In 2004, the FCC ruled that […]

A federal jury in Alexandria, VA handed down a very disturbing decision against Vonage’s usage of VoIP technologies patented by Verizon.
This decision, if not overturned, will have a serious impact on the continued growth of VoIP Services. I fear that Verizion’s lack of ability to produce a profit with their existing business model […]