Instinct offers phone calls through Concierge. If you already work in Claude Code or Codex, you can also add a calling tool to that session. Here is the difference, how Call4me signup works, and what we have actually tested.
Set up custom tools on grok.com, in Grok Bot or through the xAI API. Then hear our actual Grok Bot restaurant call, including the partial answer and the menu problem.
A call4me user had their AI phone assistant call Etihad Airways in the US to chase a complaint about a business-class seat that wouldn't lie flat. Here's the number, every menu and key press, how long each step took, what the agent confirmed, and the whole recording.
A call4me user had their AI phone assistant call four Michigan law firms to book a consultation about software and internet law. One firm quoted $400, agreed to $300 for 30 minutes, and booked it. Here's what the firm asked, the recordings, and what our caller got wrong at the other three.
A call4me user's aa.com checkout wouldn't take their flight credit, so their AI phone assistant called American Airlines reservations twice to apply it to a held trip. Here's who has to be on the line, why the credit was worth less than the full ticket, both recordings, and what to have ready.
A call4me user with a prescription for Adderall 30 mg had their AI phone assistant call 10 pharmacies in Miami-Dade and Broward on one morning. Five answered the question, and all five said no. Here's what each one said, all 11 recordings, and what to do next.
A call4me user in Baltimore needed a new primary care doctor and had an out-of-state Blue Cross Blue Shield PPO. Their AI phone assistant called 10 practices. Here's who was taking new patients, who took the plan, how far out the first opening was, a $2,121 surprise, and all 15 recordings.
Most people searching for a UnitedHealthcare phone number are members, and for members the right number is on the ID card. Here are UnitedHealthcare's other numbers by plan type, all from uhc.com, and a recorded call to the individual and family line, where pressing 1 got a licensed agent on the line about 25 seconds later.
Hear marin, cedar, gleam and meridian in five languages, then inspect repeated calls captured at the receiving end. We test dates, times, reference codes and corrections, with the recordings and transcription disagreements included.
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