Glossary
Comprehensive glossary of mobile industry terminology
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Signalling System 7 (SS7) is how the majority of the world’s mobile networks communicate with each other. It is a set of telephony protocols enabling the transmission of voice, data, control/session management information, and of course SMS. The SS7 protocol has layers based on the OSI (Open Systems Interchange) model. The MAP (Mobile Application Part) layer provides the functionality required for SMS transmission. The SMSC, HLR, VLR and MSC communicate together over the SS7 network utilizing MAP commands.
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Programs or messages that result in only normal text messaging charges being applied to the mobile subscriber’s wireless bill or that result in messages being deducted from a subscriber’s messaging plan allowance.
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A program that requires single opt-in where the mobile subscriber is billed standard SMS rates as per the subscriber’s mobile plan.
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The delivery status of a MT message according to the timestamps received from servers in the MT delivery chain.
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SIM Tool Kit, or Service Text Messages (the functionality is the same). It is sometimes also called the SIM Application Toolkit. These are binary SMS messages sent to the phone, mainly by Operators but also by our customers, to update the SIM card and/or the phone with service-related information. Examples where STKs are used: - Enable the phone for Internet connectivity - Update prepaid phones - Activate new phones/SIM cards - Upgrade phone ROM/Flash memory software.
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A Mobile Subscriber is a person who has a mobile phone account with a mobile operator.
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Sinch Voice Application Markup Language (SVAML) is a command language to inform legacy Sinch (Voice) SDKs, it works on the same principal as HTML but is specific to Sinch technology.   Learn more about the Sinch Voice Products.
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A sweepstakes is a legal game of chance that includes a prize.
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