Query on Release definition
Query on Release or “QoR” means an intelligent network procedure in which the Donor Network, upon receipt of a call to a Ported Number, will send a Release Message with a specific cause value to the originating Network indicating that the called number has been ported, upon which the originating Network would query its own Data Base for the Routing Number in order to correctly route the calls to the Recipient Network;
Query on Release and “QoR” – MODIFICATION REQUIRED
Query on Release means a method of routing a call to the ported number where the number range holder, by means of a signal message, informs the operator originating the call that the number is ported. Upon receiving this message, the operator originating the call routes the call directly to the recipient operator, by means of a routing number obtained by query in its own local database;