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Session Initiation Protocol, the primary open standard used by service...

Session Initiation Protocol, the primary open standard used by service providers, works with IPv6, said Dan York, director of conversations at Voxeo, a provider of interactive voice services. But service providers need to make sure devices running on the network…

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are IPv6-ready, he said during an USTelecom webinar Thursday. He said he expects IPv4 and IPv6 to co-exist for quite some time before a full transition. A dual-stack protocol implementation in an operating system is a key IPv4-IPv6 transition technology, he noted. Now is a good time to experiment with IPv6, he said, noting June 8 is the World IPv6 Day, the date for the first global trial for the new Internet protocol. Most of the network vendors have been IPv6-ready for a long time, he said. Some providers may continue IPv4 but have IPv6 on their internal networks, he said.