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WeAreDevelopers LIVE • Oct 15, 2025

WeAreDevelopers LIVE – Real-Time Phone Agents, Unsafe VPNs & More

Chris Heilmann , Daniel Cranney , Marius Obert

Build a real-time AI phone agent in under 100 lines of TypeScript. Marios from Twilio reveals how to defeat voice latency using Conversation Relay and OpenAI.

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#1 about 5 min

Conference experiences and presenting with animals

The hosts discuss recent open source conferences and the unique challenges of presenting alongside animals.

#2 about 6 min

Remote work and co-working spaces for developers

How companies balance 100% remote structures with optional co-working spaces to foster team collaboration.

#3 about 3 min

Evaluating new decentralized social media protocols

A look at the complexities and user adoption challenges of new open web communication standards.

#4 about 3 min

Security risks of free VPNs and self-hosted alternatives

Why developers should avoid free VPN services and opt for inexpensive, self-hosted deployment options instead.

#5 about 9 min

AI video generation tools and content creation challenges

The implications of realistic AI video models and how platform algorithms impact human content creators.

#6 about 3 min

Open source project maintenance and farm sourcing

How large corporations hand off deprecated projects to open source foundations instead of maintaining them.

#7 about 2 min

Building retro console games using modern web technologies

New capabilities that allow developers to write games for classic gaming hardware using JavaScript.

#8 about 5 min

Using AI models to choose search destinations

Explaining agentic search queries where an AI automatically directs users to the most relevant webpage.

#9 about 1 min

Technical limitations of JSON for streaming data

Why the JSON data format struggles with streaming payload delivery in modern web applications.

#10 about 2 min

Minimal CSS resets and modern styling techniques

Implementing a minimal CSS reset and utilizing new functions for automatic light and dark modes.

#11 about 4 min

Voice dictation tools and operating system utilities

Reviewing private browser dictation fields and tools that allow developers to preview compressed files natively.

#12 about 3 min

Building real-time phone agents with minimal infrastructure

An introduction to developing conversational AI voice agents directly over a telephone line.

#13 about 4 min

Comparing input speeds of spoken versus written content

Analyzing the cognitive load and input speed differences between speaking to AI and typing instructions.

#14 about 5 min

Addressing latency and architecture in voice agents

Managing the complex infrastructure of speech recognition, text-to-speech, and language models for seamless phone interactions.

#15 about 9 min

Building a Deno server for Twilio integrations

Live coding a WebSocket server in Deno to handle incoming audio streams and Twilio configuration requests.

#16 about 2 min

Configuring a voice number inside the Twilio console

Purchasing a local phone number and routing incoming calls to a custom webhook address.

#17 about 8 min

Streaming text responses from an AI language model

Integrating OpenAI directly into the voice workflow to stream conversational text back to the caller.

#18 about 3 min

Testing the live phone agent and code recap

Calling the newly provisioned number to interact with the AI assistant and reviewing the project structure.

#19 about 5 min

Extending voice agents with TwiML and multiple languages

How XML configuration files dictate text-to-speech engine languages and aid in handling multilingual customer service calls.

#20 about 4 min

Exploring unconventional developer use cases and event wrap-up

Hearing fun ways the community has repurposed APIs for smart home life hacks before concluding the stream.

Matching moments

2:23 min

Discussing open source availability and accessibility adaptiveness

Sami Ekblad Sami Ekblad · WWC 2024

1:44 min

Summarizing developer experience and artificial intelligence companions

Robert Hoffmann Robert Hoffmann +1 · LIVE

1:10 min

Architecting a web real-time communication stack for agents

Nathaniel Okenwa Nathaniel Okenwa · WWC 2025

3:16 min

Voice AI architecture and interactive kiosk demo

Lee Boonstra · LIVE

1:54 min

Minimal infrastructure for real-time phone agents

Chris Heilmann +3 · LIVE

7:08 min

Building a WebSocket server with Deno

Chris Heilmann +3 · LIVE

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