Patent ID: 8718604
Filing Date: 2014-05-06
Classification: H04M,H04W

Abstract:
1. A method of computing an inverse call charge for a telephony communication via a telecommunication system, the method comprising: sending a call connection request including information on a receiver to an alternative telephony communication module of an alternative telephony communication network by a switching determination module of a telephony terminal of a caller, wherein the telecommunication system comprising the alternative telephony communication network and a basic telephony network; determining whether the alternative telephony communication module receives a notice informing that the receiver is not an alternative telephony service subscriber or the receiver is not in an alternative telephony reception standby state from the alternative telephony network in response to the call connection request, and thereafter switching the call connection request to a basic telephony communication module associated with the basic telephony network by the switching determination module; establish a telephony communication for the call connection request using one of the alternative telephony communication network and a basic telephony network based on said determining step; after telephony communication by the call connection is terminated, calculating by a charge computing module: i) an actually call charge using the call time of the telephony communication and a call rate for the telephony communication network used to perform said call connection, and ii) a virtual call charge using the call time of the telephony communication and a call rate for the other telephony communication network; and ii) computing an inverse call charge comprising the difference in value between the actual call charge and the virtual call charge; generating a bill including the inverse call charge by a bill generating module by applying the actually call charge, the virtual call charge and the inverse call charge to a predetermine template, wherein the inverse call charge indicates the amount should be paid additionally if the basic telephony network is used.