WebSocket vs SSE for AI Streaming: When to Use Which in 2026
SSE quietly became the default for LLM token streaming in 2026. Here is when to use it, when to reach for WebSocket, and what AI SDKs actually do under the hood.
9 min read
Archive page 716 of 1230
AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Session Border Controllers for AI Voice: Compliance, Security, Survival
What an SBC actually does, why AI voice deployments still need them in 2026, and how Oracle, Ribbon, AudioCodes, and Cisco fit into modern stacks.
10 min read
Multi-Agent Voice Handoffs: How CallSphere Routes 37 Agents
37.6% of companies plan to fully replace IVRs with AI triage agents in 2026. Here is the handoff pattern CallSphere runs across 6 verticals.
11 min read
Retail and QSR In-Store Chat in 2026: Wendy's FreshAI, McDonald's Kiosks, and the Frontline Pattern
Wendy's expands FreshAI to kiosks and the app. McDonald's ships AI accuracy scales across thousands of drive-thrus. Here is what in-store chat agents actually do well.
10 min read
OCR Risk Analysis Methodology Applied to AI Voice Agents
OCR's Risk Analysis Initiative is the second-most-active enforcement track. Applying the Security Rule risk analysis methodology to an AI voice agent forces every assumption out into writing — which is the whole point.
12 min read
AI Voice Agent + ConnectWise PSA: MSP Ticket Triage With Sidekick Integration
ConnectWise Sidekick ships 70+ AI-assisted actions and Service AI now triages across 6 PSAs. Here is how a CallSphere voice agent creates, updates, and resolves tickets in ConnectWise PSA.
9 min read
Voice AI for Tattoo and Piercing Studios: Consult and Waiver in 2026
Tattoo no-shows run 8-20%, deposits drop them under 5%, and 70% of piercing shops now use online booking. Voice AI handles the consult, deposit collection, and waiver pre-fill so artists stay on the needle, not the phone.
9 min read
MCP Server Auth in 2026: OAuth 2.1, PKCE S256, and the New Authorization Spec
The November 2025 MCP spec mandates OAuth 2.1 with PKCE for public remote MCP servers. We unpack RFC 9728, S256 challenge, resource indicators, and the patterns to ship safely.
12 min read
Build a Voice Agent with Bolna (Open-Source Production Stack)
Bolna 0.10 wires LiteLLM, Deepgram, ElevenLabs, Twilio and Plivo into one OSS orchestrator. Deploy a full conversational voice agent in under 200 lines of YAML + Python.
11 min read
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