Patent ID: 7181210
Filing Date: 2007-02-20
Classification: H04W

Abstract:
1. A method for bridging calls across telecommunications networks said method comprising the steps of: i. receiving and handling a request at a call bridging server wherein said request is formed using at least one of Short Massage Service (SMS), Unstructured Supplementary Service Data (USSD), Internet browser, or a voice-based call using Dual-Tone-Multi-Frequency (DTMF) Interactive Voice Response; said request received from a first mobile station respective to a subscriber to initiate a voice calls to a called number at a second mobile station via one of a plurality of interfaces from one of a further plurality at messaging gateways; and ii. performing a requisite syntax and validity check to determine if said request is well formed; and iii. determining said subscriber's location in a Home Location Register (HLR); and iv. normalizing the called number; and v. logging one or more events associated with any of the foregoing steps; and vi. initiating a first call leg from said bridging server to said first mobile station; and vii. initiating a second call leg from said bridging server to said second mobile station; and, viii. completing said voice call by said bridging server joining said first call leg with said second call leg.