The 9 terms that come up most often in business messaging, each answered in a paragraph before the detail. Written for people evaluating a provider, not for people who already work in telecoms.
A2P stands for application-to-person: a message sent to someone by software rather than typed by a human. Order confirmations, delivery alerts, appointment reminders, one-time passcodes and marketing campaigns …
Read the answerCPaaS — Communications Platform as a Service — is a provider that gives you one API for sending messages, and maintains the connections to mobile operators and channel …
Read the answerUse SMS when the message must arrive no matter what: it reaches every mobile phone and needs no app and no internet connection. Use WhatsApp when the message …
Read the answerRCS — Rich Communication Services — is the successor to SMS built into the default messaging app on most Android phones and, since 2024, on iPhone. It carries …
Read the answerA sender ID is the name or number a recipient sees as the sender of a text — your brand name instead of a phone number. In most …
Read the answer10DLC — 10-digit long code — is the registered route for application-to-person messaging to US mobile numbers. Businesses register their brand and each messaging campaign with the carriers, …
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