Patent ID: 9565217
Date: 2017-02-07
CPC Classifications: H04L,H04M

Claim:
1. A method, implemented by a call processing system within an Internet Protocol (IP) network, for controlling an outgoing call initiated by a source device to a destination device, the source device to effect telephonic communications using a switched telephone network comprising a Service Switching Point (SSP), the method comprising: receiving a Session Initiation Protocol (SIP) message via the IP network from a signaling converter, the SIP message comprising a call request message for the outgoing call comprising source and destination identifiers associated with the source and destination devices respectively, the signalling converter operative to receive an SS7 message from the SSP in response to initiation of the outgoing call by the source device in the switched telephone network and to convert the SS7 message to the SIP message; selectively determining using the source identifier whether to cause a media connection to be established between the source device and the call processing system; and causing transmission of a routing message to the SSP via the IP network upon determining to cause the media connection to be established, the routing message to cause the media connection to be established between the source device and the call processing system.