H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/52 (2006.01) H04M 11/06 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2292829
Methods and apparatus for enabling a program controlled switching system to setup a basic call directly to a specific B-Channel on an ISDN Primary Rate Interface (PRI) via a call initiated by line side equipment subtending the switch with the PRI and/or via a call initiated by equipment anywhere in the Public Switched Telephone Network (PSTN) and routed to the switch with the PRI. A primary application for such methods and apparatus is within Data Tandem Switches/Internet Concentrator Switches and End Office Switches with PRI connections for Internet Service Providers. For example, by facilitating a direct connection to a specific B-Channel using the invention, modem pool providers can quickly and efficiently verify the functionality of specific channels and their associated modems, as well as maintain and test other equipment and software associated a specific PRI B-Channel.
Fetherstonhaugh & Co.
Siemens Information And Communication Networks Inc.
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