Voicemail-only number

Get a business number that sends every call to voicemail.

Have a business line without taking calls. Every voicemail is emailed to you, with a notification in Slack.

Get early access See how it works ↓

No phone rings · Email & Slack · Texts & WhatsApp

From the team featured in
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Voicemails to email & Slack. Texts & WhatsApp to your inbox.

Every voicemail is emailed to you with a Slack alert. Texts and WhatsApp messages land in your Numberline inbox.

How voicemails are delivered →

How business texting works →

How WhatsApp works →

Start with voicemail. Add call forwarding or an AI agent when you’re ready.

Keep the same number. Forward calls to your mobile or your team, or connect an AI agent through our integrations.

Learn how call forwarding and AI agent connections work.

Frequently asked questions

Will my phone ring?
No. Every call goes to business voicemail, so no phone rings. You get each voicemail by email, with a notification in Slack.
How do I get my voicemails?
Each voicemail is emailed to you with the transcript and the recording attached. You also get a notification in Slack, and every voicemail is in the Numberline app.
Can customers text or WhatsApp the number?
Yes. Turn on texting and WhatsApp for the same number, then read and reply in the Numberline app.
Do I need another phone or SIM card?
No. Use the Numberline app on the phone you already have.
Can I keep my existing number?
You can bring an eligible business number. Keep your current service active until the port completes. The timeline is set by your current carrier. See the porting guide.
Can I take calls later?
Yes. Forward calls to your mobile or your team, or connect an AI agent through our integrations. Your number stays the same.

Get your voicemail‑only number.

Voicemails by email, with Slack alerts.

Get early access
No per-user fees No long-term contracts Money-back guarantee