--- title: "Voice AI Glossary: Key Terms and Definitions | Ringg AI" description: "Plain-language definitions of voice AI, speech technology, telephony, and contact center terms, with how each one works and why it matters." canonical_url: "https://www.ringg.ai/glossary" --- # Voice AI Glossary: Key Terms and Definitions | Ringg AI Plain-language definitions of voice AI, speech technology, telephony, and contact center terms, with how each one works and why it matters. ## A 14 terms * [Agent assist Understand Agent assist and its role in live-agent performance. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/agent-assist) * [Agentic orchestration Understand Agentic orchestration and its role in complex multi-agent workflows. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/agentic-orchestration) * [AI agent training Understand AI agent training and its role in production-ready AI agents. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/ai-agent-training) * [AI evaluation Understand AI evaluation and its role in reliable AI deployment. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/ai-evaluation) * [AI guardrails Understand AI guardrails and its role in safe customer-facing automation. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/ai-guardrails) * [AI hallucination Understand AI hallucination and its role in trustworthy customer conversations. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/ai-hallucination) * [AI SDR Understand AI SDR and its role in scalable lead engagement. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/ai-sdr) * [AI voice agent Understand AI voice agent and its role in automated phone workflows. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/ai-voice-agent) * [AI workflow automation Understand AI workflow automation and its role in scalable business operations. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/ai-workflow-automation) * [Automatic call distribution (ACD) Understand Automatic call distribution (ACD) and its role in efficient queue management. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/automatic-call-distribution) * [Automatic speech recognition (ASR) Understand Automatic speech recognition (ASR) and its role in accurate automated conversations. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/automatic-speech-recognition) * [Average handle time Understand Average handle time and its role in contact-center capacity planning. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/average-handle-time) * [Average speed of answer Understand Average speed of answer and its role in queue responsiveness. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/average-speed-of-answer) * [Average wait time Understand Average wait time and its role in better customer experience. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/average-wait-time) ## B 1 term * [Barge-in Understand Barge-in and its role in interruption-friendly voice agents. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/barge-in) ## C 18 terms * [Call analytics Understand Call analytics and its role in operational visibility. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/call-analytics) * [Call center Understand Call center and its role in high-volume customer demand. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/call-center) * [Call deflection Understand Call deflection and its role in lower live-agent demand. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/call-deflection) * [Call flow Understand Call flow and its role in outcome-driven call journeys. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/call-flow) * [Call handling Understand Call handling and its role in consistent customer service. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/call-handling) * [Call logging Understand Call logging and its role in traceable call records and follow-up. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/call-logging) * [Call monitoring Understand Call monitoring and its role in quality assurance and coaching. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/call-monitoring) * [Call quality monitoring Understand Call quality monitoring and its role in dependable voice service. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/call-quality-monitoring) * [Call routing Understand Call routing and its role in faster customer resolution. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/call-routing) * [Call transcription Understand Call transcription and its role in searchable conversation data. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/call-transcription) * [CCaaS Understand CCaaS and its role in modern contact-center operations. Explore support workflows, service metrics, risks, and implementation guidance.](https://www.ringg.ai/glossary/ccaas) * [Cold transfer Understand Cold transfer and its role in smooth call continuity. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/cold-transfer) * [Conversational AI Understand Conversational AI and its role in scalable customer engagement. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/conversational-ai) * [Conversational analytics Understand Conversational analytics and its role in better automated customer journeys. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/conversational-analytics) * [Conversational commerce Understand Conversational commerce and its role in lower purchase friction. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/conversational-commerce) * [Conversational design Understand Conversational design and its role in usable AI interactions. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/conversational-design) * [Cost per resolution Understand Cost per resolution and its role in service economics. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/cost-per-resolution) * [Customer onboarding Understand Customer onboarding and its role in faster time to product value. Explore support workflows, service metrics, risks, and implementation guidance.](https://www.ringg.ai/glossary/customer-onboarding) ## D 2 terms * [Deflection rate Understand Deflection rate and its role in self-service adoption measurement. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/deflection-rate) * [Dialogue management Understand Dialogue management and its role in coherent multi-step conversations. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/dialogue-management) ## E 2 terms * [Echo cancellation Understand Echo cancellation and its role in clear two-way conversations. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/echo-cancellation) * [Escalation rate Understand Escalation rate and its role in automation gap detection. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/escalation-rate) ## F 2 terms * [First call resolution (FCR) Understand First call resolution (FCR) and its role in customer satisfaction and service efficiency. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/first-call-resolution) * [First contact resolution Understand First contact resolution and its role in resolution across support channels. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/first-contact-resolution) ## H 3 terms * [Help desk Understand Help desk and its role in structured service resolution. Explore support workflows, service metrics, risks, and implementation guidance.](https://www.ringg.ai/glossary/help-desk) * [Hotword detection Understand Hotword detection and its role in responsive voice interfaces. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/hotword-detection) * [Human handoff Understand Human handoff and its role in safe escalation to people. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/human-handoff) ## I 3 terms * [Intelligent virtual agent Understand Intelligent virtual agent and its role in end-to-end self-service. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/intelligent-virtual-agent) * [Intent detection Understand Intent detection and its role in accurate routing and automation. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/intent-detection) * [Interactive voice response (IVR) Understand Interactive voice response (IVR) and its role in efficient call handling. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/interactive-voice-response) ## M 1 term * [Multi-turn conversation Understand Multi-turn conversation and its role in complex task completion. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/multi-turn-conversation) ## N 2 terms * [NLG Understand NLG and its role in clear, contextual AI responses. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/nlg) * [NLU Understand NLU and its role in customer intent understanding. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/nlu) ## O 2 terms * [Omnichannel customer support Understand Omnichannel customer support and its role in seamless channel continuity. Explore support workflows, service metrics, risks, and implementation guidance.](https://www.ringg.ai/glossary/omnichannel-customer-support) * [Outbound calling Understand Outbound calling and its role in proactive customer engagement. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/outbound-calling) ## P 6 terms * [Phoneme Understand Phoneme and its role in speech recognition accuracy. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/phoneme) * [Predictive dialer Understand Predictive dialer and its role in productive outbound campaigns. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/predictive-dialer) * [Proactive customer support Understand Proactive customer support and its role in preventing avoidable support contacts. Explore support workflows, service metrics, risks, and implementation guidance.](https://www.ringg.ai/glossary/proactive-customer-support) * [Prompt engineering Understand Prompt engineering and its role in reliable agent behavior. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/prompt-engineering) * [Prosody Understand Prosody and its role in natural, trustworthy synthetic speech. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/prosody) * [Public switched telephone network (PSTN) Understand the public switched telephone network (PSTN) and its role in traditional calling. Explore architecture, reliability, limitations, and migration choices.](https://www.ringg.ai/glossary/public-switched-telephone-network) ## R 2 terms * [RAG Understand RAG and its role in grounded AI answers. Explore use cases, evaluation methods, safety risks, and implementation guidance.](https://www.ringg.ai/glossary/rag) * [Response time Understand Response time and its role in customer trust. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/response-time) ## S 8 terms * [Sentiment analysis Understand Sentiment analysis and its role in adaptive customer conversations. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/sentiment-analysis) * [Session border controller Understand Session border controller and its role in secure, reliable VoIP. Explore architecture, call-flow examples, reliability risks, and deployment choices.](https://www.ringg.ai/glossary/session-border-controller) * [SIP transfer Understand SIP transfer and its role in flexible VoIP routing. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/sip-transfer) * [Speaker diarization Understand Speaker diarization and its role in multi-speaker call analysis. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/speaker-diarization) * [Speech analytics Understand Speech analytics and its role in better call outcomes. See how teams measure it, interpret results, and improve performance.](https://www.ringg.ai/glossary/speech-analytics) * [Speech enhancement Understand Speech enhancement and its role in clearer, more intelligible calls. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/speech-enhancement) * [Speech synthesis Understand Speech synthesis and its role in scalable spoken experiences. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/speech-synthesis) * [Speech-to-text (STT) Understand Speech-to-text (STT) and its role in real-time caller understanding. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/speech-to-text) ## T 3 terms * [Telephony Understand Telephony and its role in reliable voice operations. Explore architecture, call-flow examples, reliability risks, and deployment choices.](https://www.ringg.ai/glossary/telephony) * [Text-to-speech (TTS) Understand Text-to-speech (TTS) and its role in natural voice responses. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/text-to-speech) * [Ticket routing Understand Ticket routing and its role in faster issue resolution. Explore support workflows, service metrics, risks, and implementation guidance.](https://www.ringg.ai/glossary/ticket-routing) ## U 1 term * [Utterance Understand Utterance and its role in conversational system training and evaluation. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/utterance) ## V 7 terms * [Voice activity detection (VAD) Understand Voice activity detection (VAD) and its role in natural conversational turn-taking. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/voice-activity-detection) * [Voice AI Understand Voice AI and its role in modern customer communication. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/voice-ai) * [Voice biometrics Understand Voice biometrics and its role in secure caller verification. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/voice-biometrics) * [Voice cloning Understand Voice cloning and its role in consistent branded speech. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/voice-cloning) * [Voice over Internet Protocol (VoIP) Understand Voice over Internet Protocol (VoIP) and its role in scalable business calling. Explore architecture, call-flow examples, reliability risks, and deployment choices.](https://www.ringg.ai/glossary/voice-over-internet-protocol) * [Voice user interface Understand Voice user interface and its role in usable voice experiences. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/voice-user-interface) * [Voicebot Understand Voicebot and its role in routine conversation automation. Explore use cases, evaluation criteria, design trade-offs, and implementation risks.](https://www.ringg.ai/glossary/voicebot) ## W 4 terms * [Wake word Understand Wake word and its role in hands-free voice activation. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/wake-word) * [Warm transfer Understand Warm transfer and its role in context-preserving transfers. Explore workflows, operating metrics, risks, and implementation choices.](https://www.ringg.ai/glossary/warm-transfer) * [WISMO Understand WISMO and its role in efficient ecommerce support. Explore support workflows, service metrics, risks, and implementation guidance.](https://www.ringg.ai/glossary/wismo) * [Word error rate (WER) Understand Word error rate (WER) and its role in speech recognition evaluation. Explore how it works, quality metrics, trade-offs, and implementation risks.](https://www.ringg.ai/glossary/word-error-rate) ## Get started now. Deploy in minutes. [Sign up](https://www.ringg.ai/login) ### Not sure yet? 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