Everything your second line does.
2Line.AI is a second US phone number that rings in an app on your iPhone or Android phone. It comes with Mia by 2Line.AI, an AI receptionist who answers in your business name and books appointments, plus registered business texting, missed-call text back, voicemail to text, call recording and spam blocking, in one plan.
Mia by 2Line.AI picks up, answers questions and books the job.
AI receptionist
Mia by 2Line.AI is the AI receptionist built into the 2Line.AI app. She answers calls in your business name when you're busy, after hours or every time, asks what the caller needs, books appointments into your hours and leaves you a short written summary called a slip.
More on ai receptionistAppointment booking
Mia by 2Line.AI books appointments during the call, inside the business hours you set, and texts the caller a confirmation. Reminders go out before the visit, and customers reply C to confirm or R to reschedule.
More on appointment bookingMeet Mia by 2Line.AI
Who Mia is, what she does on a call, her three voices and what a call with her costs.
Meet MiaLocal US numbers on the phone you already have, one or several.
Second phone number
2Line.AI gives you a second US phone number that rings in its own app on your iPhone or Android phone. You pick a local number in about a minute, call and text from it over Wi-Fi or mobile data, and Mia by 2Line.AI, an AI receptionist, answers the calls you miss.
More on second phone numberBusiness phone number
2Line.AI is a business phone number for owners who work alone or with a small team. You get a local US number, a built-in AI receptionist, carrier-registered business texting and a lead list, all in one app on the phone you already carry.
More on business phone numberMultiple lines
2Line.AI can run several US numbers in one app. Each line has its own label, color, greeting, hours and settings for Mia by 2Line.AI, the built-in AI receptionist, and every call and text shows which line it came in on.
More on multiple linesRegistered business texting, with text-backs, quotes and reminders built in.
Missed call text back
When you miss a call on your 2Line number, the caller gets a text from your business within moments, so they wait for you instead of calling the next company. You write the message once, and it can include your booking link.
More on missed call text backBusiness texting
2Line.AI lets you text and send pictures from your business number, registered with US carriers for business messaging. Quick actions send quotes, On my way texts with your arrival time, reminders and review requests.
More on business textingVoicemail you can read, recordings with transcripts and less spam.
Voicemail to text
Every voicemail on your 2Line number shows up as text you can read in seconds, with the audio next to it and a one-line AI summary of what the caller wants. Reply by call or text in one tap.
More on voicemail to textSpam call blocker
2Line.AI labels likely spam before your phone rings, lets you block or unblock any number in one tap, and can let Mia by 2Line.AI screen unknown callers so only real customers reach you.
More on spam call blockerCall recorder
2Line.AI can record calls on your second number. Tap Record during a call and everyone on it hears “This call is now being recorded.” Each recording comes with a transcript and an AI summary, and you can trim, share or search it later. Nothing is recorded until you tap Record.
More on call recorderThe small things that save a call
What’s included vs what uses credits
Plans are $19.99 a month, or $99.99 a year with a 3-day free trial. Some things come with the plan. Calls, texts and Mia use credits, and you add a pack when you need one: 150 for $4.99, 950 for $19.99, 4,000 for $59.99.
| What | Cost | Details |
|---|---|---|
| One local US number | Included | Pick from four numbers near you. It stays yours while your plan is active. |
| Starter credits | Included | 100 credits when you subscribe, once. They don’t refill each month. |
| The app | Included | iPhone and Android, plus the web app at 2line.ai/app. |
| Business texting registration | Included | A2P 10DLC registration with US carriers, handled in the app. |
| Spam labels and blocking | Included | Likely-spam labels, one-tap block and unblock with undo, and Silence unknown callers. |
| Closing-time summary | Included | A push at the end of your day with what happened. On by default. |
| Low-credit alert | Included | One alert when you drop under 25, 50 or 100 credits (50 by default), or off. |
| Widgets and Siri (iPhone) | Included | Home and lock screen widgets, the call Live Activity, and Siri and Shortcuts to switch Mia on or off. |
| Busy calendars (iPhone) | Included | Mia avoids busy times in the iPhone calendars you pick. |
| Calls, in or out | 8 credits a minute | Counted from when the call connects. Missed calls and ring time are free. |
| Mia answering | 48 credits a minute | From when she picks up. Hand the call to yourself any time. |
| Voicemail | 7 credits a minute | Includes the transcript. |
| Call recording | +7 credits a minute | Audio and transcript, on top of the call. |
| AI summary | 1 credit per call | Per started 30 minutes. Turn it off in Settings. |
| Text message | 8 credits sent, 7 received | |
| Picture message | 22 credits sent, 13 received | |
| Extra number | 300 credits a month | Your plan includes one number. |
At zero credits, calls, texts and Mia pause until you add more, and your numbers stay yours. See pricing.
What 2Line.AI doesn’t do
US numbers only, for one owner. If you need any of these, another product will suit you better.
- Porting an existing number in
- International or toll-free numbers
- Emergency calls (911)
- Shared team inboxes (one owner per account)
- CRM or Google Calendar integrations
Questions about features
What does 2Line.AI do?
Which features are included in the plan?
How much do calls, texts and Mia cost?
Do I pay for what I use?
Does 2Line.AI work on iPhone and Android?
What doesn't 2Line.AI do?
Get your second number today.
Yearly comes with 3 days free. $19.99 a month or $99.99 a year.
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