2. Market Definition & Segmentation
Three-Layer Market Architecture
Layer 1: Telephony/SIP Infrastructure
Traditional carrier connectivity: SIP trunking, PSTN termination, DID provisioning, BYOC integrations, E911 compliance. Provides the “dial tone” for voice AI agents.Layer 2: Cloud Voice Infrastructure (WebRTC/CPaaS)
Real-time media processing: WebRTC servers, CPaaS APIs, low-latency audio pipelines (<200ms), TURN/STUN networks, codecs (Opus, AAC). Replaces legacy infrastructure built for human response times (3-5 seconds). Key players: LiveKit, Daily.co, Agora, Twilio, PlivoLayer 3: Voice AI Agent Software
Application logic: STT/TTS engines, LLM orchestration, conversation design, sentiment analysis, CRM integrations. Handles business rules, personality, compliance, escalation. Key players: Replicant, Yellow.ai, Skit.ai, Kore.ai, Bland AI, Vapi.aiMarket Segmentation by Use Case
Automation sweet spot: Operations + routine support = ~45% of total minutes but 80% of early ROI.[^46]
Geographic Segmentation
Note: India’s 30-50% containment rates are 6-7× higher than global averages. See India as a Proving Ground for detailed analysis.
References
- Metrigy LLC & IDC (2024). Contact Center as a Service 2024: Global Market Study and Worldwide Contact Center Services Forecast, 2024-2028.
- Replicant, Inc. & McKinsey & Company (2024). State of Customer Service Automation 2024 and The Economic Potential of Generative AI in Contact Centers.
- IDC & Gartner (2024). Worldwide Contact Center Services Forecast, 2024-2028 and Forecast: Customer Service and Support Technology, Worldwide, 2023-2028, 2Q24 Update.
- NASSCOM & Deloitte (2024). AI Adoption in Indian Enterprises 2024 and Global Contact Center Automation Trends 2024.