Everyone is chasing digital channels. But voice remains the most trusted channel when it counts. Here’s how AI doesn’t eliminate voice — it makes it smarter, faster, and more valuable.
There’s a popular assumption in the contact center industry: as AI and digital channels grow, voice will fade. Customers will prefer chat, WhatsApp, or self-service. Phone calls will become irrelevant.
The data disagrees. And so do customers.
Voice Is Still the Channel Customers Trust Most
According to McKinsey, Baby Boomers make up the highest percentage of customers who prefer calling at 94%, while Gen Z — the most digitally native generation — is still at 71% (McKinsey, 2026). This isn’t generational resistance. It’s a consistent preference for a channel that allows nuanced communication, emotional context, and complex problem-solving. Voice isn’t declining. It’s evolving.
Why Voice Remains Irreplaceable
Voice is fundamentally different from text-based channels. When a customer calls, they bring urgency, emotion, and complexity that are difficult to convey in writing. A billing dispute, a service failure, a time-sensitive request — these interactions demand real-time, human-quality communication. The challenge isn’t that voice is dying. The challenge is that most contact centers are still running voice on infrastructure that hasn’t evolved in decades — rigid IVR menus, inconsistent routing, no real-time context for agents, and no way to measure or improve voice quality at scale.
What AI Does to Voice: Makes It Smarter
AI doesn’t replace voice. It transforms how voice interactions are handled — making them more contextual, measurable, and manageable for agents.
SIP and WebRTC: Modern Voice Infrastructure
Traditional telephony was hardware-dependent, expensive to scale, and difficult to integrate. SIP (Session Initiation Protocol) and WebRTC (Web Real-Time Communication) replace legacy infrastructure with flexible, cloud-native voice capability that works across devices and locations — giving agents a consistent, high-quality voice experience whether they’re in the office or working remotely.
Speech Engine and Analytics
AI-powered speech engines transcribe, analyze, and extract insight from every call in real time. Sentiment is detected. Keywords are flagged. Compliance risks are surfaced automatically. What was once a black box — the voice interaction — becomes a fully measurable, fully logged data source.
AI-assisted contact centers that leverage speech analytics see a 14% increase in issues resolved per hour and a 9% reduction in average handle time (Zoom, 2026).
Agent Assist During Live Calls
The most significant AI upgrade to voice isn’t in routing or automation — it’s in what happens while the call is live. AI agent assist tools listen to the conversation in real time, pull relevant customer history, surface knowledge base answers, flag compliance risks, and suggest next-best-action responses — all without interrupting the call.
The agent no longer has to search while the customer waits. They have what they need, delivered in the moment.
The Quality and Compliance Dimension
Voice interactions carry compliance risk — particularly in regulated industries like BFSI, healthcare, and government. Manual quality assurance could only review 1–5% of calls. AI-powered quality management reviews 100% of voice interactions automatically, flagging compliance issues, scoring agent performance, and identifying coaching opportunities at scale.
This isn’t just operational improvement. For regulated businesses, it’s risk management.
arsi’s Voice Technology Stack
arsi’s voice capabilities are built for the AI era — combining SIP Call and WebRTC infrastructure for modern, flexible voice delivery; a speech engine for real-time transcription and analytics; and AI Agent Assist for in-call guidance. Together, these tools transform every voice interaction from an unstructured, unmeasured event into a structured, measurable, and continuously improving customer touchpoint.
Voice isn’t going anywhere. The question is whether your contact center is equipped to make it as smart as your customers expect.
See how arsi elevates voice in an AI-first contact center, contact us now!