Patent ID: 6633637
Filing Date: 2003-10-14
Classification: H04M

Abstract:
A method of establishing a suppressed ringing connection between a server and customer premises equipment (CPE), comprising the steps of:connecting said server to a first switch of a Public Switched Telephone Network, (PSTN) by a server trunk; initializing said first switch with class information for identifying a class of service of said server trunk; connecting said CPE over a line to a second switch of said PSTN; responsive to receipt of a suppressed ringing set-up request to said CPE from said server, received in said first switch over said server trunk, establishing a connection over said PSTN between said first switch and said second switch; signaling information about said call over a common channel signaling network from said first switch to said second switch; and responsive to receipt of said information in said second switch from said signaling network, establishing a suppressed ringing connection over said connection from said first switch and said CPE; wherein the step of signaling information about said call over said common channel signaling network comprises the step of providing information in a separate field of a common channel signaling message, to request a suppressed ringing connection and to provide information about the character of said suppressed ringing connection.