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This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.

This API is available on Firefox OS for certified applications only.


active is a read-only property that indicates whether call forwarding is active (true) or not active (false).


var active =;


Return a Boolean indicating the call forwarding status.


Not part of any specification.

See also

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Contributors to this page: Sheppy, kscarfone, Jeremie
Last updated by: kscarfone,