Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
Patent
1996-05-24
1998-11-17
Hong, Harry S.
Telephonic communications
Plural exchange network or interconnection
Interexchange signalling
370401, 370467, 379207, 379219, H04M 700, H04M 342, H04J 302, H04J 312
Patent
active
058387820
ABSTRACT:
A point code and subsystem number (PC/SSN) representing a first application layer node within a first Signaling System No. 7 (SS7) network is not defined within a second SS7 network. While transmitting a first signal from the first node to a second node within the second SS7 network, the PC/SSN representing the first node is utilized as the calling party address (Cgpa). A converter signal transfer point (STP) interfacing the first SS7 network with the second SS7 network intercepts the transmitted signal, converts the specified PC/SSN to a corresponding global title number. The first signal containing the converted Cgpa is then forwarded to the second node. Whenever the second node within the second SS7 network transmits a return signal back to the first node, the converted Cgpa is then used as the called party address (Cdpa). The converter STP once again intercepts the return address and converts the intercepted global title number back to the original PC/SSN value. The return signal with the converted Cdpa is then routed back to the first node.
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Ericsson Inc.
Hong Harry S.
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