Mobile phones that switch from VoIP to GSM via WiFi

By Regine
on July 6, 2004 1:13 PM
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The US Federal Communications Commission has approved the Motorola CN620, the first phone able to switch from VoIP to GSM via WiFi.

Voice calls started on Wi-Fi networks can be handed off to a GSM network. The reverse is possible only for certain types of calls.

From Smart Phone Thoughts.
Related entry: Motorola's Cross-Technology PoC.

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