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  1. Home
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  3. Engineering

Category

Engineering

14 articles in this category.

Engineering
Engineering
Why we took the percentages off the claims card
Our claims outcome card used to show probabilities. Assessors could read them and still not know what to do. Rebuilding it around natural frequencies, one verdict and one recommended action changed how it got used.
August 17, 2026
7 min read
Engineering
Engineering
Letterheads and logos that survive the template
Brand assets in document templates used to be fetched and base64-encoded on every generation. Managing them properly turned a rebrand from fifty-two edits into one, and the fortnight went on keeping brand assets and client documents firmly apart.
August 12, 2026
5 min read
Engineering
Engineering
What actually changes when you move SMS carrier
Swapping the API call takes an afternoon. The work is in the status vocabulary your workflows already depend on, and in what you believe about a message you cannot confirm.
August 6, 2026
6 min read
Engineering
Engineering
Voice reliability: the settings you change after go-live
Detection gets a voice agent to launch. What keeps it working is a handful of per-agent settings: barge-in sensitivity, greeting wait on outbound, call duration limits, and every way a call can end.
July 7, 2026
7 min read
Detecting Humans vs Machines in Voice AI: AMD and VAD Explained
Engineering
Detecting Humans vs Machines in Voice AI: AMD and VAD Explained
How voice AI systems detect whether a human, voicemail, or IVR answered the phone, and how to handle each scenario appropriately.
January 21, 2026
8 min read
Text Normalisation for Natural AI Speech: Making TTS Sound Human
Engineering
Text Normalisation for Natural AI Speech: Making TTS Sound Human
How to preprocess text for speech synthesis so phone numbers, postcodes, dates, and business data are pronounced correctly.
January 19, 2026
7 min read
AI Navigating IVR Menus: How Voice Agents Automate Phone System Interactions
Engineering
AI Navigating IVR Menus: How Voice Agents Automate Phone System Interactions
How voice AI can autonomously navigate phone menus using DTMF tones while preserving conversation state across connection interruptions.
January 17, 2026
8 min read
Maintaining State Across WebSocket Reconnections in Voice Applications
Engineering
Maintaining State Across WebSocket Reconnections in Voice Applications
How to preserve conversation context when WebSocket connections drop and reconnect in real-time voice systems.
January 14, 2026
8 min read
The Acknowledgement Pattern: Reducing Perceived Latency in Voice AI
Engineering
The Acknowledgement Pattern: Reducing Perceived Latency in Voice AI
How pre-generated audio acknowledgements can make your voice AI feel instant, even when processing takes time.
January 12, 2026
6 min read
Real-Time Speech Recognition: Why Your Utterance End Events Might Be Lying to You
Engineering
Real-Time Speech Recognition: Why Your Utterance End Events Might Be Lying to You
A deep dive into debugging real-time transcription latency issues caused by misunderstood event routing in speech-to-text APIs.
January 10, 2026
7 min read
Building a Workflow Engine That Handles 11.8 Million Cases
Engineering
Building a Workflow Engine That Handles 11.8 Million Cases
What we learned building SwiftCase's workflow engine over 15 years - from modular architecture to event-driven processing. The decisions that let us scale to millions of cases.
January 8, 2026
8 min read
Why We Built Switchboard With Custom and Multi-Provider AI
Engineering
Why We Built Switchboard With Custom and Multi-Provider AI
How Switchboard combines custom-built AI models with external providers - OpenAI, Anthropic, Deepgram, ElevenLabs - to optimise for each task while avoiding vendor lock-in.
January 7, 2026
6 min read
The Hard Problems in Real-Time Voice AI
Engineering
The Hard Problems in Real-Time Voice AI
Building voice AI agents that feel natural is harder than it looks. Here are the technical challenges we solved building Switchboard - from interruption handling to turn-taking.
January 6, 2026
7 min read
What 15 Years of Building Software Taught Us
Engineering
What 15 Years of Building Software Taught Us
SwiftCase has been in production for 15 years. Here's what we learned about building software that lasts - from technology choices to team practices.
January 5, 2026
7 min read
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