Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
An AI receptionist that books patients across state lines hits two regulators at once: HIPAA at the federal level and the state medical or therapy board where the patient sits. Here is the 2026 rulebook.
HubSpot's Breeze agents now run on GPT-5 and emit Audit Cards for every CRM write. Here is how a CallSphere voice agent feeds Breeze with structured call data over the public CRM API.
The Chicago Association of REALTORS represents 16,000+ members, the median home sells for $410K in 50 days, and listing-call response time still beats price 9 times out of 10. Here is the 2026 voice-agent playbook.
Anthropic shipped 1M context GA at standard pricing on March 13, 2026. Here is how to use it in production chat agents without burning the budget on every turn.
The OTel GenAI semantic conventions exited experimental for client spans in early 2026. Here's how CallSphere instruments 37 voice and chat agents with gen_ai.* attributes that work across Datadog, Honeycomb, and Grafana.
Default jitter buffers (60-200 ms) are tuned for human ears, not LLM turn-taking. Here is how to retune them for AI voice agents without melting your audio quality on cell phone calls.
SFrame plus Encoded Transform finally makes WebRTC E2EE shippable for AI voice. Here is the architecture, the SFU compromises, and the production pattern.
smolagents fits its entire core in under 1,000 lines and beats GPT-4 Turbo by 6x on GAIA. Here is what makes the CodeAgent loop tick and when to pick it for production.
Vapi orchestrates STT, LLM and TTS as separate services — fast, but you pay 3 vendor markups. Collapse the stack to Twilio + GPT-4o Realtime and own the orchestration.
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