Cloud communications glossary
Plain-language, definition-first explanations of the building blocks of programmable voice (CPaaS), cloud contact centers (CCaaS), and the telephony concepts they rely on.
A Communications Platform as a Service: voice, messaging, and video delivered as developer APIs.
Read →CCaaSWhat is CCaaS?A Contact Center as a Service, with call-center routing, queuing, and agent tools in the cloud.
Read →CPaaS vs CCaaS vs UCaaSHow they differHow three cloud-communications models differ by audience and use case.
Read →ACDAutomatic Call DistributionThe system that routes inbound calls to the right agent or queue.
Read →SIP trunkingWhat is SIP trunking?Carrying phone calls over IP using the SIP protocol instead of physical lines.
Read →DIDDirect Inward DialingA phone number that routes external callers to a specific destination.
Read →IVRInteractive Voice ResponseAn automated phone menu that interacts with callers via voice or keypad.
Read →EWTEstimated Wait TimeA prediction of how long a caller will hold in a queue before reaching an agent.
Read →BYOCBring Your Own CarrierKeeping your existing telephony carrier and rates while moving call control to a CPaaS platform.
Read →SoftphoneWhat is a softphone?A software app that makes and receives calls over the internet using SIP or WebRTC, in place of a desk phone.
Read →STIR/SHAKENWhat is STIR/SHAKEN?The telecom standard that cryptographically signs caller ID to fight robocalls and spoofing.
Read →WFMWorkforce ManagementScheduling contact-center agents and measuring their adherence to the schedule.
Read →Ring groupWhat is a ring group?A set of phones that all ring for the same call, with a fallback if nobody answers.
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