Philadelphia - Comcast (NASD: CMCSA), the nation's largest cable TV provider and a provider of broadband service to nearly 13 million customers, announced on Wednesday a collaborative agreement with VoIP provider Vonage, "to ensure that network management techniques are chosen that effectively balance the need to avoid network congestion with the need to ensure that over-the-top VoIP services like Vonage work well for consumers."

Holmdel, N.J. - A federal judge has issued a permanent injunction against Internet telephone service Vonage, in connection with a patent infringement lawsuit filed against the company by Verizon.