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Press Release -- October 5th, 2011
Tags: Equipment, IPv6, VoIP

GENBAND Conducts First Successful IPv6 PacketCable™ 2.0 Network Call at CableLabs Interoperability Event

Test demonstrates MSO migration to next generation IPv6 protocol for voice and multimedia over IP networks

Frisco, Texas, October 5, 2011GENBAND, a leading developer of IP infrastructure and application solutions, today announced that it successfully completed the first IPv6 call between a PacketCableTM  specification version 2.0 (PC2.0) compatible SIP communications application server and an IPv6  PC2.0 Embedded Digital Voice Adapter (E-DVA) during a CableLabs Interoperability Event in Louisville, CO on September 21, 2011. As the next generation Internet Protocol replacing IPv4, IPv6 solves the issue of address space exhaustion and improves security for real-time communications. These tests used the SIP signaling protocol specified by PacketCableTM as the agreed-upon standard for handling voice and multimedia communications over next-generation MSO IP networks. GENBAND’s S3™ Session Border Controller (SBC) processed this first PC2.0 IPv6 call in conjunction with GENBAND’s C20™ Converged Softswitch and A2™ Communications Application Server platform, translating IPv4 to IPv6 addressing, both for session signaling and speech path.

“The CableLabs hosted event created the ideal environment to trial PC2.0 IPv6 calls and interoperability with IPv4,” said BG Kumar, GENBAND’s President of Networking and Applications. “Performing what we believe to be the first successful PC2.0 IPv6 call is indeed a significant milestone and is evidence of our support for MSO migration to IPv6 using PacketCable specifications.  We look forward to employing breakthroughs achieved through this strategic industry collaboration in our ongoing product development.”

“A successful transition to IPv6 is critical for the cable industry because of the impending expiration of IPv4 capacity,” said Alan Breznick, Senior Analyst at Heavy Reading. “This achievement is another big step along that path. It also represents a key step forward for PacketCable 2.0. Now we’ll see how quickly cable operators roll out the new equipment meeting both next-gen standards.”

GENBAND MSO solutions have been selected by over 80 MSO/cable operators around the world.  According to research firm Dell’Oro Group, GENBAND holds the number one market share position in cable VoIP deployments.

By pioneering this first successful PC2.0 IPv6 call and establishing interworking between actual IPv4 and IPv6 PC2.0 endpoints in an MSO operation environment, GENBAND is effectively demonstrating the cable/MSO industry migration to IPv6 and next generation network architectures through its portfolio of market-leading solutions.

CableLabs staff actively monitored and supported the testing at its lab facilities during the interoperability event and facilitated the breakthrough call through software tools and technical support.  Earlier this year GENBAND announced the S3 SBC’s support of IPv6.

About Cable Television Laboratories

Cable Television Laboratories was founded in 1988 by members of the cable television industry. The Emmy Award winning laboratory is a non-profit research and development consortium that is dedicated to pursuing new cable telecommunications technologies and to helping its cable operator members integrate those advancements into their business objectives. Cable operators from around the world are members. CableLabs maintains additional web sites at, and

CableLabs and PacketCable are trademarks of Cable Television Laboratories, Inc.A product or technology demonstration at a CableLabs event does not represent a CableLabs endorsement of that product or technology.

GENBAND is a global leader of IP infrastructure solutions, enabling enterprise,serviceand contentproviders around the world to evolve communications networks through IP innovation. The Company offers market-leading Switching, Applications, Networking and Service solutions, with products deployed in over 600 customer networks spanning more than 80 countries. GENBAND is headquartered in Frisco, Texas, and has operations in 50 countries. To learn more, visit us on the web at

GENBAND, the GENBAND logo and icon are trademarks of GENBAND.

Kim Lee

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