http://www.w3.org/ns/prov#value | - n call-forwarding-on-no- answer service feature; in response to said call-forwarding-on- no-answer service feature, forwarding the first call to a number of a switch based voice mail system; based on the dialed number, determining by a service control point that the called party is a subscriber to a screening type of voice mail service; routing the first call to a service switching point connected
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