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Monday, June 02, 2008

DoCoMo dual-mode consumer VoWLAN launches

DoCoMo actually launched the first operator-based dual-mode WiFi/cellular service several years ago in 2004 - based on SIP and aimed at enterprises. It was called Passage Duple and was based on the NEC N901iL handset, and has subsequently been followed up with a replacement N902iL.

However, Japan has been pretty slow about extending dual-mode into the consumer arena. This changes with the introduction of the new N906iL "onefone" and a new service called Home U. It's not immediately obvious what the architecture behind it is, but given the previous SIP approach, I suspect it's some sort of pre-standard VCC rather than UMA.

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