Telephony
Attestation
Attestation — a cryptographic signature attached to outbound calls in some regions (notably US/Canada STIR/SHAKEN) that lets receiving carriers verify the caller-ID isn't spoofed.
Related terms
Interactive voice responseThe classic 'press 1 for sales' phone menu system. IVR is menu-driven and can't understand free speech — the predecessor to conversational voice AI.Conversational IVRAn IVR upgraded with conversational AI — callers say what they want in natural language instead of navigating a menu tree.VoIPVoice over Internet Protocol — carrying phone calls over the internet instead of traditional phone lines. The transport layer under most modern voice agents.SIP trunkingA method of connecting a phone system to the telephone network over the internet using the SIP protocol — how voice platforms carry calls at scale.
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