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Signalling System No. 7 (SS7) is a set of telephony signaling protocols developed in the 1970s that is used to setup and teardown telephone calls on most parts of the global public switched telephone network (PSTN).
The Short Message Service is realised by the use of the Mobile Application Part (MAP) of the SS7 protocol, with Short Message protocol elements being transported across the network as fields within the MAP messages. [1]
An SS7 probe is a physical device to obtain signalling and/or bearer information from a telecommunications network, such as the PSTN or a corporate telephone system. The probe passively monitors the E1 / T1 or SDH / SONET bearer channels, and extracts the signalling information for onward presentation to an application.
SS7 or SS-7 may refer to: Signalling System No. 7, a set of telephony signalling protocols; SS-7 Saddler, the NATO reporting name of R-16 missile; China Railways SS7, an electric locomotive model in China; Super Socket 7, a chip socket introduced by AMD
In mobile cellular telephony networks like GSM and UMTS the SS7 application MAP is used. Voice connections are Circuit Switched (CS) and data connections are Packet Switched (PS) applications. Some of the GSM/UMTS Circuit Switched interfaces in the Mobile Switching Center (MSC) transported over SS7 include the following: B -> VLR (uses MAP/B).
The CAMEL Application Part (CAP) is a signalling protocol used in the Intelligent Network (IN) architecture. CAP is a Remote Operations Service Element (ROSE) user protocol, and as such is layered on top of the Transaction Capabilities Application Part (TCAP) of the SS#7 protocol suite.
Pegasus is a spyware developed by the Israeli cyber-arms company NSO Group that is designed to be covertly and remotely installed on mobile phones running iOS and Android. [1] ...
Strada statale 7 Via Appia (SS 7) is an Italian state highway 713.45 kilometres (443.32 mi) long in Italy located in the regions of Lazio, Campania, Basilicata and Apulia that follows the path of the ancient Appian Way, connecting Rome to Brindisi.