Initially only available to New Jersey residents, AT&T’s new CallVantage service allows subscribers to call other areas of the country using their broadband connection.

The service comprises of a plug in adapter that allows the user to make calls to any other telephone – and interestingly the adapter can be moved to other locations with a wired broadband connection, though the user’s number and area code stay the same.

The service is being introduced at US$19.99 (UK£11, €16.40) for the first six months, rising to US$39.99 (UK£22, €32.80) thereafter, for unlimited domestic calling. Other features to be introduced include voice mail, presence (being able to ring the phone closest to a user) and video conferencing capabilities for up to nine callers.

More details from AT&T

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