Telecom ABC - I
US Telecoms Industry Association Interim Standard 41 (IS-41, also known as ANSI-41) is an Inter Cellular Network Communication Protocol which was developed to support interoperability between differing networks for mobile telephony, such as AMPS, D-AMPS and IS-95. The protocol provides functionalities like call delivery to and from the mobile network, intersystem handover and roaming, short message delivery and validation and authentication through an inter-system messaging protocol.
Specifically, IS-41 functions provide operations and procedures to:
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