signalling


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signalling

a means of conveying information. In MARKETS, changing prices ‘signal’ to consumers and producers about changing demand and supply conditions. See PRICE SYSTEM.
References in periodicals archive ?
Introduction to the concepts of Channel Associated Signalling (CAS) and Common Channel Signalling (CCS).
Signalling in the local loop: Use of Channel Associated Signalling methods including loop/disconnect and DTMF
Introduction: C7 signalling conforms to an international standard and is used throughout the world in the Public Switched Telephone Network (PSTN) and the Integrated Services Digital Network (ISDN).
Course aim: This course provides a detailed treatment of the principles and operation of C7 signalling systems in both fixed and mobile telephony networks.
It also manufactures locomotives, freight cars, propulsion & controls and provides signalling equipment and systems.
6, supports industry-compliant PNNI signalling in addition to non-associated signalling, Designated Transit Lists (DTLs), crankback and support for soft PVC procedures.
0, IISP (Interim Interswitch Signalling Protocol) and PNNI (Private Network-to-Network Interface) signalling.
SVC-based services are critical to large-scale deployment of ATM services throughout public and private networks, but because signalling implementations can vary significantly from vendor to vendor, signalling messages may need to pass flawlessly through dozens of switches.