Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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AI identifies upsell opportunities during support interactions, boosting expansion revenue by 14 percent. Here is how to wire usage context into a chat agent without making buyers feel sold to.
DTLS 1.3 (RFC 9147) is rolling out across browsers in 2026. SRTP keys must rotate per session and the cipher floor moved to AES-128-GCM with PFS. Here is what production HIPAA voice needs.
67% of production LLM deployments now use RAG, up from 31% in 2024. Here is the SMB chat widget pattern that ships in under a week.
Three seconds of audio is enough to clone a voice. AI agents need provenance signals, secret phrases, and behavior baselines - here is the defensive stack we ship.
AI BANT qualifiers respond in <60 seconds vs 1-24 hours for human SDRs and qualify 100% of leads, delivering 2-3x more pipeline. Here is the cold-call qualifier playbook.
Toast IQ, TouchBistro AI, and Square's restaurant POS all ship AI in 2026 but lack a true conversational guest layer. Here is how a chat agent on top cuts phone-order errors by 60% and lifts off-premise revenue 18%.
VAD doesn't make ASR more accurate — it controls endpointing latency, barge-in feel, and turn-taking. We tune Silero VAD threshold, prefix_padding, and silence_duration_ms with real production traces.
Footwear D2C return rates run 30 to 35 percent — almost entirely fit-driven. Chat agents that know last shape, width, and sport-use case cut returns 25% and lift conversion 33%. Here is the 2026 playbook.
RFC 4733 RTP events handle most DTMF, but SIP INFO is the workaround when carriers strip telephone-events or when your AI agent needs out-of-band signaling. Here is when to use which in 2026.
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