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BlogSonetel explains
Henrik Thome
CEO & Founder
22 September 2025

Virtual Phone Number Service

Virtual phone number service helps small businesses project a professional image and stay reachable to customers everywhere. It solves the challenge of missed calls and lack of a local presence that can cause entrepreneurs to lose sales opportunities.

In this article, we’ll explain what virtual phone number services are, the benefits they offer, how to choose the right provider, and why many small businesses turn to solutions like Sonetel for affordable, intelligent communications.

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What is a Virtual Phone Number Service?

A virtual phone number service provides you with a telephone number that isn’t tied to a physical phone line or SIM card, enabling calls over the internet. In practical terms, it means you can make and receive business calls on any device – mobile phone, laptop, or desk phone – using a cloud-based number.

Incoming calls to your virtual number get routed through the provider’s servers and forwarded to your chosen device(s) or app, wherever you are (learn more). This flexibility allows entrepreneurs and teams to handle calls from anywhere while the caller dials a normal local or toll-free number.

Local presence

With a virtual number, you maintain a local presence in your desired area code or country without needing a physical office there. For example, a consultant in one city can have a business number in another city (or even another country) and answer those calls on their personal phone. The service works via VoIP (Voice over IP) technology, so all you need is a reliable internet or mobile data connection.

There’s no special hardware required – no copper lines or SIM cards. You simply purchase a number from the service provider and configure where you want the calls to go, such as your cell phone, a colleague’s phone, or a voicemail. Many services also support call forwarding schedules (e.g. ring your office during business hours, then your mobile in the evening) and simultaneous ringing on multiple devices to ensure important calls get answered.

Take calls anywhere

A virtual phone number service lets you take business calls anywhere – whether you’re in the office or atop a mountain – as long as you have an internet connection.

In short, a virtual phone number service gives you all the functionality of a regular phone number, without being locked to a single physical phone. This cloud-based approach unlocks a range of advantages for small businesses and professionals, which we’ll explore next.

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Benefits of Virtual Phone Number Service for Small Businesses

Every entrepreneur knows that communication is key to winning and keeping customers. Here are the major ways a virtual phone number service can solve common communication problems and benefit your small business:

  • Professional image & local trust
    Using a dedicated business number (especially a local one) makes your venture look more established and credible. Displaying a local phone number on your website and listings can reassure potential customers that you’re “in their area” and serious, increasing conversion rates. Many consumers prefer dealing with businesses that provide a contact number; in fact, recent research shows phone calls are the most‑preferred way to contact businesses for U.S. consumers (source). Having a proper business line (instead of just a personal or out-of-area cell number) builds trust.
  • Always reachable
    A virtual number rings wherever you direct it – your mobile, your team members, or a VoIP app. You’re not tethered to a desk phone. This means you can answer calls on the go or from home, ensuring you don’t miss inquiries. Missed calls can mean missed sales – and unfortunately small businesses historically struggle to answer every call, with studies showing they fail to respond to over half of incoming calls (source). Virtual phone services help by forwarding calls to you (or a colleague) no matter where you are, greatly reducing the chances that a customer call goes unanswered.
  • Cost savings
    Virtual phone services are typically far cheaper than installing and maintaining traditional landlines or a PBX system. There are no line rental fees, and you don’t need separate phones for each number. Many small companies find that switching to internet-based phone numbers can cut their phone costs by up to 50% by eliminating unnecessary lines and leveraging low-cost VoIP rates (see Sonetel). For example, Sonetel offers local numbers from just $1.79 per month on a pay-as-you-go basis, much less than traditional business line rentals. International calls also become far more affordable via VoIP, avoiding expensive long-distance charges.
  • Modern features on a budget
    Even basic virtual number plans often include features that would be premium (or impossible) on a standard phone line. These can include voicemail-to-email transcription, text messaging, call recording, auto-attendant menus (IVR), conference calling, and even AI-powered services. For instance, advanced services like Sonetel provide AI call summaries that transcribe and analyze your customer calls automatically in higher-tier plans. Such capabilities let a tiny business access sophisticated call handling and automation tools without investing in costly equipment. In short, you get a mini virtual phone system with features only big companies once could afford.
  • Scales with you
    Virtual phone number services are highly scalable and flexible. Need an extra number for a new employee or marketing campaign? You can usually add one in minutes through an online dashboard – no technician visit required. As your team grows or you expand to new markets, you can easily provision new numbers in different cities or countries. There’s no need to commit to long-term contracts for lines you might not use; you can often pay month-to-month and cancel or reassign numbers as needed. This scalability means the phone solution adapts as your business changes. It’s as simple as upgrading your plan or buying another number when required.
  • Privacy & separation
    With a virtual number, you can keep your personal number private. Small business owners often start out using their personal mobile for work calls, which can become troublesome. A virtual number allows you to separate business calls from personal calls on the same phone. This not only protects your privacy (clients won’t have your personal cell number) but also lets you set boundaries – for example, routing after-hours business calls to a team voicemail or an assistant, so you’re not disturbed at night. It’s a professional layer of separation that helps work-life balance.
  • Global presence
    If your business serves customers in multiple regions, virtual phone number services let you establish a local presence internationally without physical offices. For example, a small e-commerce seller in Europe can get a US phone number to serve American customers, so those customers can call a local U.S. number and reach the seller’s phone or call center overseas. This lowers barriers for customers to contact you (no international dialing hassle or cost) and makes your business appear local in markets you target. Services like Sonetel offer numbers in 80+ countries, enabling even tiny businesses to go global in reach (see coverage).

Small business owners can stay connected with customers from anywhere. A virtual number ensures you never miss a call even when you’re busy running your market stall or on the move.

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Virtual Phone Number vs. Traditional Phone Line

It’s helpful to compare how a virtual phone number service differs from an old-school phone line or landline service. Below we contrast the two on key points important to small companies:

Aspect — Virtual Phone Number Service — Traditional Phone Line

  • Setup & installation
    Virtual Phone Number Service: Activate online in minutes; no technician visit or new hardware needed. Choose a number and start taking calls. Traditional Phone Line: Often requires physical wiring or installation. Setting up a new landline or PBX can take days and professional help.
  • Monthly cost
    Virtual Phone Number Service: Low subscription or pay-as-you-go with no line rental fees. International calls use cheap VoIP rates. Traditional Phone Line: Higher fixed monthly fees for line rental, plus expensive long-distance charges for out-of-area calls.
  • Location flexibility
    Virtual Phone Number Service: Not tied to any address – answer calls anywhere on any device (mobile, computer, desk phone). Number stays with you if you move. Traditional Phone Line: Tethered to a specific location or phone. To answer elsewhere, you must forward it (incurring costs) or be physically present.
  • Features & scalability
    Virtual Phone Number Service: Rich features like voicemail-to-email, call forwarding, IVR menus, and app integrations included or low-cost. Add lines/users easily via software. Traditional Phone Line: Basic calling and voicemail. Advanced features (if available) require extra hardware (e.g. PBX) and costs. Scaling up means installing more lines.
  • Reliability
    Virtual Phone Number Service: Depends on internet connectivity and power (needs your broadband or mobile data). Generally very reliable with good internet; can have backups (cellular data, etc.) for redundancy. Traditional Phone Line: Very reliable even during local internet outages (landlines work on PSTN power). But physical lines can fail due to weather or damage, and lack flexibility.

The bottom line: Virtual phone number services deliver far more flexibility and functionality for a fraction of the price—ideal for small businesses that have decent internet access. Unless your business is in an area with extremely unreliable internet or power, a cloud-based number will typically offer greater benefits than a traditional landline for modern communication needs.

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Virtual Phone Number Service Providers Compared

There are many providers and solutions in the market, and their pricing and features can vary widely. As a small business owner, you’ll want to compare options to find the best fit. Below is a comparison of a few popular virtual phone number service providers and what they offer, to put Sonetel’s solution in context:

Provider — Coverage — Starting Price — Key Features

  • Sonetel
    Coverage: 80+ countries. Starting price: From $1.79 / month. Key features: Ultra low pay-as-you-go pricing, global numbers, AI call summaries, voicemail transcription, free trial to test services.
  • Google Voice
    Coverage: US (personal use) + select countries for business. Starting price: Free for personal; from $10 per user/month for business. Key features: Basic calling and texting, voicemail, call forwarding. Business plans integrate with Google Workspace. Limited international availability for business use.
  • Grasshopper
    Coverage: US & Canada. Starting price: ~ $14 per month (Solo plan). Key features: Virtual phone system with unlimited calls in U.S./Canada, extensions, custom greetings, voicemail transcription. Easy to add a business line to your cell phone. Popular with entrepreneurs.
  • RingCentral
    Coverage: 100+ countries. Starting price: From $20 per user/month. Key features: Full-featured cloud PBX with voice, SMS, video meetings, fax. Extensive integrations (CRM, Microsoft/Google, etc.) and team collaboration features. Scales from small to enterprise.
  • Vonage
    Coverage: North America & Europe. Starting price: From $19.99 / month. Key features: Business phone system with mobile/desktop apps, CRM integrations, and good reliability/uptime. Offers both phone and unified communications services.

While many providers offer robust virtual phone solutions, notice how Sonetel’s entry price under $2/month and its AI-powered extras make it one of the most cost-effective choices, especially for globally-minded startups on a budget. For a tiny monthly cost, even a solo entrepreneur can get a professional number with advanced capabilities. In contrast, other services may require higher monthly subscriptions (or only offer free usage in limited scenarios like Google Voice’s personal use). The best provider for you depends on your specific needs – coverage area, features, budget, and scalability – but Sonetel is deliberately positioned to give small businesses an affordable way to sound big.

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How to Get Started with a Virtual Phone Number Service

Setting up a virtual business number is usually quick and straightforward. Here are the basic steps to get your new virtual phone number up and running:

  1. Choose a provider
    First, research and select a reputable virtual phone number service provider that meets your needs. Consider factors like pricing, available features, international number coverage, and customer reviews. (For example, Sonetel offers a free trial and low pay-as-you-go rates, making it easy to try out.) Compare a few providers to ensure you’re getting the best value and capabilities for your business.
  2. Select a number
    Once you’ve signed up, you’ll typically be prompted to pick your phone number. You can usually choose from local numbers in a city of your choice, or toll-free numbers. Decide what’s best for your business – local numbers can foster trust in a specific region, while toll-free numbers can make it free for nationwide customers to call you (learn more). If you plan to expand globally, you might even get multiple numbers in different countries. Many providers also let you port in an existing number if you have one.
  3. Configure call handling
    After securing a number, set up how you want incoming calls to be handled. You can direct calls to ring on your mobile phone, your office line, a VoIP app, or multiple devices at once. You should also set up the voicemail greeting and forwarding rules. For example, you might have calls ring you during business hours, then go to voicemail (or an assistant or colleague) after hours. If your service includes an auto-attendant or IVR, you can record a greeting like “Thank you for calling [Your Business]. For sales press 1, support press 2…”. Think about how to ensure someone answers or at least callers can leave a message – responsiveness is key since 77% of customers expect to interact with someone immediately when contacting a company (reference).
  4. Test and publish
    Before you announce the number to the world, do some test calls. Call your new virtual number from another line to verify it rings through properly and the call quality is clear. Test the voicemail by letting a call go to voicemail and then checking that you receive the message or transcription. Once everything is working well, start publishing your new number on your website, Google listing, social media profiles, and business cards. Let customers know they can reach you there. Because phone calls are often one of the fastest ways for customers to get answers (59% of people use click-to-call for quick queries source), having that number visible can directly lead to more inquiries and sales.

Virtual phone number service – an affordable, professional, and flexible phone solution for your small business. By using a virtual number, you ensure you’re always reachable and project credibility to your customers, all while keeping costs low. It’s a simple step that can make a big difference in how customers perceive and engage with your business.

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