Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
Reexamination Certificate
2011-03-15
2011-03-15
Anwah, Olisa (Department: 2614)
Telephonic communications
Plural exchange network or interconnection
Interexchange signalling
C370S401000, C379S233000
Reexamination Certificate
active
07907718
ABSTRACT:
A method of managing Voice over Internet Protocol (VoIP) calls with an Internet Protocol Private Branch Exchange (IP PBX) is provided, including: receiving at an IP PBX device an incoming call directed to a target telephone number, said IP PBX device storing a contact list parameter including one or more rule fields, each rule field including a telephone number identifier and an associated target extension identifier; searching the contact list parameter to identify the telephone number identifier corresponding to the target telephone number; and routing the incoming call to one or more target extensions corresponding to the target extension identifier associated with the identified telephone number identifier.
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Fandrianto Jan
Sin Sam K.
Anwah Olisa
Cisco Technology Inc.
Haynes and Boone, LLP.
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