Opus Codec Tuning for AI Voice Agents: 2026 Production Defaults That Actually Help
Most teams ship Opus at WebRTC defaults. AI voice agents need different defaults — tighter jitter buffers, FEC on, DTX off, and a bitrate that respects STT.
9 min
Archive page 752 of 1224
AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Adoption Across London, Bangalore, Singapore, and Tokyo: Browserbase Stagehand 2.0 — The Librar
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Stagehand 2.0 stabilized the browser-agent SDK that everyone is quietly building on top of.
9 min read
Backpressure for AI Streaming: How To Stop Token Floods From Crashing Your Workers
An LLM streams 80 tokens/sec. Your audit pipeline writes 20/sec to disk. The buffer fills, OOM happens. Backpressure design — credit-based, drop, buffer-bounded — is non-negotiable for AI streaming systems.
10 min read
Gemini 3 Pro Pricing: How It Stacks Against GPT-5.5 and Claude
Gemini 3 Pro lands at $1.25/$10 per million tokens — here's the real total-cost comparison vs GPT-5.5 and Claude Opus 4.7. Lens: real estate.
6 min read
Anthropic Responsible Scaling Policy v3.1 — What ASL Levels Mean for Voice AI Buyers
Anthropic's RSP v3.0 (February 2026) added a new CBRN capability threshold and disaggregated AI R&D thresholds. v3.1 followed shortly. Here is what the ASL framework asks of model providers — and what downstream voice AI vendors inherit.
10 min read
Adoption Across London, Bangalore, Singapore, and Tokyo: Retell AI Knowledge Base — RAG Goes Na
Adoption Across London, Bangalore, Singapore, and Tokyo perspective on Retell shipped first-class knowledge bases for voice agents, removing one of the last reasons to roll your own RAG layer.
9 min read
WebRTC + AI Trading Floor Agent for Live Markets in 2026: Aladdin and Beyond
Trading floors in 2026 run an AI agent that listens to the squawk box, generates live commentary on tape moves, and pushes alerts over WebRTC. Here is the architecture mirroring Morgan Stanley + Aladdin.
11 min
After-Hours Property Emergency Voice AI: CallSphere Escalation
CallSphere afterhours_escalation (7 agents, Twilio escalation ladders) handled 4,200 after-hours property emergency calls in April 2026 across Boston, Denver, and Seattle.
10 min read
Number Porting (LNP) for AI Receptionist Setups Across Countries in 2026
How to port an existing business number into a Twilio or carrier of choice for AI receptionist coverage, country-specific timelines, and the LOA paperwork that derails most ports.
10 min read
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