Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate
2007-08-14
2007-08-14
Nguyen, Quynh H. (Department: 2614)
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
C379S088170, C379S221120, C379S229000, C379S230000, C370S466000, C370S467000
Reexamination Certificate
active
10637044
ABSTRACT:
A service indicator SI field is used for load sharing in SS7 networks, in addition to the service link selection SLS field. If there are only two links or connections between two points of the SS7 network, load sharing can also be performed on the basis of the SI field only.
REFERENCES:
patent: 6175574 (2001-01-01), Lewis
patent: 7068773 (2006-06-01), McCann et al.
patent: 7130408 (2006-10-01), Creamer et al.
patent: 0 912 068 (1999-04-01), None
Jabbari B: “Routing and Congestion Control in Common Channel Signaling System No. 7”; Proceedings of the IEEE, 8D 80; Nr. 4; Apr. 4, 1992. pp. 607-617 ; XP000304351.
International Telecommunication Union “Signalling network functions and messages” ITU-T Recommendation Q704. Jul. 1996; XP002196391; Capitel 2.3.1.
International Telecommunication Union “Introduction to CCITT signaling system No. 7”; ITU-T Recommendation Q.700, Mar. 1993, XP002231162; Capitel; 5.2.
Angermayr Manfred
Schwarzbauer Hanns Jürgen
Tüxen Michael
Bell Boyd & Lloyd LLP
Nguyen Quynh H.
Siemens Aktiengesellschaft
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