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Guides / Starting a business / Phone setup

Get a business phone number without carrying a second phone.

Last checked: 2026-11-02

Putting your personal cell phone number on your website, Google Business Profile, and business cards means unwanted calls at dinner and spam texts at midnight. Here are the practical options to add a dedicated business line to the phone you already carry.

Want your AI to walk you through this?

Paste this prompt into Claude or ChatGPT with your type of business and your work hours. It drafts customized voicemail scripts and receptionist instructions for taking customer messages.

Using Hollerpost? Connect the MCP server and your AI can do this for you.

View prompt text
I am setting up a business phone line using https://hollerpost.com/guides/business-phone-number/. Ask me: (1) what my business does, (2) what my normal hours are, and (3) what details I need to collect when someone leaves a message. Then write two short, natural voicemail scripts (one for business hours and one for after-hours), and draft concise receptionist instructions for taking messages.

The three ways to run a second number on your smartphone.

You do not need to buy a second handset or sign a multi-year office contract. Modern smartphones support three flexible options:

Compare the three paths.

  • Option 1: A second eSIM from your mobile carrier. Most current iPhones and Android phones let you activate a second digital SIM on the same device. Incoming calls show which line is ringing, but you manage two separate carrier bills and voicemail boxes.
  • Option 2: Standalone VoIP calling apps. Services route calls over your cellular data or Wi-Fi connection through their own app interface. These work well when seated at a desk with a computer headset.
  • Option 3: A business line inside your customer messaging app. Tools like Hollerpost give you a dedicated toll-free business number inside the same app where you manage your customer contacts, email newsletters, and text replies. Calling comes with the Email + Texts plans.

How to handle missed calls when you are busy working.

When you are in the middle of a customer appointment, cooking in the kitchen, or driving between jobs, you cannot pick up every phone call. You have two primary ways to protect the lead:

  1. Standard voicemail with automatic transcription. The caller hears your recorded greeting and leaves audio. The platform transcribes the message and sends the text summary straight to your notifications. [screenshot: Voicemail inbox showing audio waveform player and readable text transcript]
  2. An AI receptionist that answers and takes messages. Instead of forcing the caller to talk into a beep, an automated receptionist answers immediately in a friendly voice, shares your basic hours or address, and collects their name, callback number, reason for calling, and urgency level.
  3. Forwarding to a trusted team member. Set a ring timeout (such as 20 seconds) before forwarding unanswered calls to a partner or front desk counter.
  4. Scheduled after-hours routing. Automatically route after-hours calls directly to voicemail so your phone stays quiet during family dinner and weekends.
  5. Instant text notification. Receive an email or text summary the moment a customer leaves a message so you can reply promptly without listening to five minutes of voicemail audio.

Copy-paste voicemail greetings that set clear expectations.

Callers hang up when a greeting sounds like a default robot or rambles for sixty seconds. Keep your greeting under fifteen seconds:

Daytime workshop greeting template
Thanks for calling [Business Name]! We are currently helping customers in the shop or on delivery. Please leave your name, number, and what you need, and we will call you back before 5 PM today. You can also visit [yourdomain.com] for our current hours and online booking.
After-hours and weekend greeting template
You have reached [Business Name]. We are closed for the day and will reopen tomorrow at 8 AM. Please leave a message with your name and question, and we will return your call first thing tomorrow morning. Have a great evening!

Get your business number and AI receptionist.

Hollerpost gives your business a toll-free phone number, automated voicemail transcription, and optional AI call answering in one simple mobile workspace. Calling comes with the Email + Texts plans.

Try it free

Free includes 1,000 emails a month, no card. Paid plans from $8/mo.

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    Carrier verification rules, opt-in language, and message samples.

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