Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate
2005-06-01
2010-10-26
Kuntz, Curtis (Department: 2614)
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
C379S015010, C717S124000, C370S352000
Reexamination Certificate
active
07822190
ABSTRACT:
A method of debugging a telephone call can include, using Session Initiation Protocol (SIP) formatted messages, initiating a debug session between a debugger and a call server for a telephone call established over at least a portion of a packet-switched network. A debug function can be invoked within the call server as specified by a SIP formatted message originating from the debugger. The method further can include determining fault information pertaining to the telephone call using the debug function and sending a SIP formatted response from the call server to the debugger.
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Da Palma William V.
Gavagni Brett J.
Muschett Brien H.
Nusbickel Wendi L.
Cuenot, Forsythe & Kim LLC
International Business Machines - Corporation
Islam Mohammad K
Kuntz Curtis
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