Ask Claude about your business phone

What Claude can do

• List your lines, and your recent calls, missed calls, and voicemails.
• Read a call in detail, with the voicemail transcript and, on lines that record calls, the call summary.
• Read text conversations.
• Add a note to a call for the rest of the team.
• Send a text from one of your lines, when you tell it to.

Things to ask

• "What did customers call about this week?"
• "Which missed calls from yesterday haven't we called back?"
• "Summarize the voicemails on the service line and draft a reply to each."
• "Text the customer from this morning's voicemail that we can come Thursday."

Connecting

Add Onyx Phone as a custom connector in Claude, using the address on the Integrations page. Claude opens Onyx Phone so an account admin can sign in and choose the account; no keys to copy. It works where your Claude plan allows custom connectors.

Under the hood it's a Model Context Protocol (MCP) server with OAuth sign-in. Developers can read the details on the API page.

Cost and control

The connector is included on every plan. Texts Claude sends are billed like texts sent through the API, $0.01 per segment. Claude only sees the account the admin chose when connecting.

Getting started

1. Create a login and pick a plan. Checkout saves a card for the 7-day free trial, and nothing is charged until it ends.
2. Confirm your business and its 911 address, and get a local number on the spot. Bringing your own number? You answer on a temporary one while it moves over, for free.
3. Choose where calls ring, write what callers hear, invite your team, and register for texting. Then answer in the browser, the iPhone and Android apps, or a desk phone. How it works has the details.

Questions

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