Engineering
Build with voice. Learn from the implementation.
SDK tutorials, practical integration guides and engineering notes from building a realtime voice platform.
- 5 min read
Add a voice AI agent to a React app
Build a React voice assistant with Voxera: publish an agent, configure an app key, start a call and handle transcripts and browser audio.
Read - 6 min read257b1c7
Our voice agent only spoke once per call
The first reply played. Every reply after it was silent, while the client kept receiving events as though audio were flowing. Two separate bugs, one symptom.
Read - 6 min readf86bc39
$715 to $44 a month: leaving Kubernetes
A managed cluster for a workload that fits on one small instance. What the migration actually involved, and the one component we expected to be hard.
Read - 5 min read1156e30
We ran an open TURN relay for 45 minutes
A file-permission change meant our TURN server silently ignored its own configuration and fell back to defaults. One warning line, no authentication.
Read - 4 min read0daf0d2
Our server ignored SIGTERM for an hour
A rolling deploy hung. The container was told to stop and simply did not, because of a detail of how PID 1 works that almost every Dockerfile gets wrong.
Read