Telephonic communications – Plural exchange network or interconnection
Reexamination Certificate
2011-05-31
2011-05-31
Smith, Creighton (Department: 2614)
Telephonic communications
Plural exchange network or interconnection
C379S220010, C379S221120
Reexamination Certificate
active
07953218
ABSTRACT:
Enhanced Origination Services (EOS) for Toll Free (TF) telephone calls consists of uploading instructions to the SMS/800 National Database, which instructions are subsequently downloaded by Signal Control Points (SCPs) in the United States for the routing of TF telephone calls. When a caller dials a TF number, a communication switching device queries the SCP serving the caller's LATA and routes the call according to the EOS instructions for that TF number. EOS instructions route the call to a POTS number in the originating LATA using an IntraLATA Carrier Identification Code. The POTS number is connected to a private gateway, which utilizes the Dialed Number Identification Service (DNIS) of the POTS number to perform a translation function, which may replace the received DNIS with the DNIS of the originally dialed TF number. The call is routed over the private network using the private network owner's database for routing instructions for the specific TF number. The call is routed through a dedicated connection to a facilities-based carrier or called party or through a switched connection to an egress SSP or local CO.
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Dominguez Nathan Omar
Sanchez Enrique Francisco
Intermetro Communications, Inc.
Smith Creighton
LandOfFree
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