call4me blog
notes on AI agents that make phone calls for you.
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How to lower your Xfinity bill: what the billing department told us
We called 1-800-XFINITY and asked how an existing customer can get a lower bill. After a stubborn voice assistant, a billing representative walked us through cheaper speeds, the $10 autopay discount, TV packages and a free mobile line. The route, the answers, and the full recording.
OCT 24 / Nick Khami
Costco return policy: returning late or without a receipt, from a real call
Costco's own return policy page, quoted, plus a recorded call to Costco customer service asking what happens past the 90 day electronics window, how a purchase is found without a receipt, and how the refund comes back.
OCT 24 / Nick Khami
Confirm a physical at Mount Sinai Doctors 104 Delancey Street by phone
A call4me customer's assistant called the Mount Sinai Doctors practice at 104 Delancey Street three times to confirm two annual physicals. Here is the phone menu, how long each call took to reach a person, what staff said about fasting and check-in, and all three recordings.
OCT 16 / Nick Khami
How to book group tee times at The Phoenician Golf Club
A call4me customer's assistant asked The Phoenician for four morning tee times on a November Friday. The morning was sold out, and the golf rate was $247 plus tax. Calls to Stonecreek and Camelback Golf Club came back with different answers.
OCT 16 / Nick Khami
Town Fair Tire Manchester CT: get a Blizzak WS90 snow tire quote and compare it
A call4me customer's assistant priced the same set of four Bridgestone Blizzak WS90 snow tires at Town Fair Tire and four other shops around Manchester, Connecticut. Town Fair quoted $853.98 out the door. Here is every quote, what each one included, and all five recordings.
OCT 16 / Nick Khami
Suitsupply customer service: how to reach a person about a return, hemming or pickup
Two real calls from a call4me customer's assistant: Suitsupply Chicago on Rush Street on returns and hemming, and Suitsupply Washington in Georgetown on an order pickup. A person answered both store lines in about half a minute.
OCT 16 / Nick Khami
How to make phone calls from Gemini with MCP
Google now lets Gemini call some businesses for you on Pixel 11. For other calls, you can add a calling MCP server as a Gemini custom app, or connect it to Gemini CLI and Antigravity CLI. Here is what each option covers and the exact setup.
OCT 13 / Nick Khami
How to talk to a real person at Costco customer service
We called Costco's membership and warehouse line with general questions and no member number. Here is the touch-tone menu, how long it took to reach a person, what the representative said about prices, refunds, non-members and scams, where Costco's own website says something different, and the full 19 minute recording.
OCT 13 / Nick Khami
Walmart customer service number: get past the AI agent to a person
We called 1-800-WALMART with general questions for this guide. An AI agent answers first; asking twice for a representative got us a live person. Here's what the rep and the AI each said about hours and refunds, and the full 6 minute recording.
OCT 13 / Nick Khami
Pick an AI app that makes phone calls for you: 11 compared (2026)
Google, Gemini, Meta Muse, Instinct, Pine, Mitra, Voyp, Callio, Phony, Genspark and call4me compared by what they call for, who can use them, price, and whether you can join the call.
OCT 12 / Nick Khami
Everything we've improved in call4me since launch
Scheduled calls, your own caller ID, live listening, more international calling, and improvements shaped by your first calls.
OCT 8 / Nick Khami
How long it takes to reach a human at 86 companies
We reviewed 147 customer service calls described in our guides to 86 companies. Here is how long it took to reach a person, what got through, where calls stopped and the full dataset as a CSV.
OCT 8 / Nick Khami
recommendations
- Anthropic engineering - how Claude Code and agent tools are built, from the people building them.
- Simon Willison's weblog - daily, careful notes on what LLM tooling actually does.
- Latent Space - the AI engineer newsletter and podcast.
- The Cloudflare blog - agent readiness, MCP, and the plumbing of the agentic web.
- Stripe blog - machine payments and how agents pay for things.
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