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Signaling System 7 - SS7

Signaling System 7 - SS7 Book
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SS7 Diagonal Link D-Link SS7 Diagonal Link D-Link
A diagonal link connects secondary nodes (such as local or regional STP pairs) to a primary STP pair in a four link configuration. The difference between a b-link and a d-link is arbitrary so they may be referred to as "B/D" links.
SS7 Diagonal Link D-Link SS7 Signaling Link Types
SS7 D-Link Diagram
This figure shows the relationship between the link names and the link location (type). Signaling links are logically organized by link type ("A" through "F") according to their use in the SS7 signaling network. The "A" (access) links connect the signaling end points (e.g., an SCP or SSP) to the STPs. Only messages originating from or destined to the signaling end point are transmitted on an "A" link. The "B" (bridge) links connect the STP to another STP. The "C" (cross) link connects STPs performing identical functions into a mated pair. "D" (diagonal) links connect the secondary (e.g., local or regional) STP pair to a primary (e.g., inter-network gateway) STP pair in a quad-link configuration. "E" (extended) links connect the SSP to an alternate STP. An "F" (fully associated) link is connected between two signaling end points (i.e., SSPs and SCPs).
alt SS7 Books
Signaling System 7 - SS7 Book
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Signaling System 7 - SS7
This book explains the operation of the Signaling System 7, and how it controls and interacts with public telephone networks and VoIP systems. SS7 is the standard communication system that is used to control public telephone networks. In addition to voice control, SS7 technology now offers advanced intelligent network features.

$34.99 Printed, $29.99 eBook
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