Blog

Phone calls, and the AI agents that make them.

Practical articles on giving an AI agent a phone number, answering a small business line, and handing off the calls nobody wants to make. Written to be useful whether or not you ever use CosVoice.

The basics

Everyday use

Home services

Local business

Professional services

Answering calls

Setup guides

For developers

Build or buy: telephony for AI agents

The first call is a weekend. The rest is the job. Here's what you'd own if you built it, and an honest view of when owning it makes sense.

6 minute read

Trust and etiquette

Who can read your AI's call transcripts?

On our line: you, the assistant you've connected, and anyone you deliberately share a call with. Not our staff. Here's the full picture, and what to ask any provider.

5 minute read

Comparisons

Give your Chief of Staff a phone.

Pick a number, save the contact, make the first call. About a minute.

Get your line