Virtual Phone Answering System: A Practical Guide for Small Businesses

A virtual phone answering system sits between your callers and you. Your business number stays the same. When a call comes in, forwarding sends it to the answering system, which handles the conversation based on information you have saved: your services, prices you want shared, hours, and booking rules. Afterward, you can review what happened in a dashboard, where calls, transcripts, summaries, and any booked appointments are listed.

This is different from a plain voicemail box, which only records a message. It is also different from an auto attendant menu that just presses callers with number options. A virtual answering system carries on a conversation, so a caller can ask a question, request an appointment, or leave a message in one call.

It is also different from hiring an in-house receptionist. Receptionists in the US do far more than answer phones, including greeting visitors and handling office tasks, so a phone service is not a full replacement for that role. It covers the phone part of the job.

• Your existing business number stays in place; forwarding routes calls to the system.
• The system answers using your saved business details and can take messages.
• Calls, transcripts, summaries, and bookings appear in a dashboard you can review.
• It handles phone answering only; it does not replace the other duties of front-desk staff.

AllDayDesk lets you keep your public phone number by forwarding calls to the service, and forwarding-based answering systems generally work this way. The exact steps depend on your phone provider, so check with your carrier before you turn anything on. There are two broad kinds of forwarding, and they are not the same thing.

Unconditional (all-call) forwarding sends every incoming call to the destination immediately. Conditional forwarding sends calls only in certain situations, such as when you do not answer, your line is busy, or your phone is unreachable. Some owners forward all calls during hours they cannot answer; others forward only missed calls so they still get first crack at the phone.

The activation method varies by provider. Verizon mobile, for example, uses *72 plus the destination number for all-call forwarding and *71 for unanswered calls, with *73 to turn it off. T-Mobile uses codes like **21*1 followed by the destination and # for unconditional forwarding. Comcast Business, Vonage Business Communications, Spectrum Business Voice, and other providers manage forwarding through their own portals or codes, and the steps differ by product. Identify your exact service first, because codes for one product often do not work on another from the same company.

One important exception: Google Voice does not support forwarding calls from a Google Voice number to an automated answering system. If your business runs on Google Voice, you will need a different path for connecting an answering system.

• Unconditional forwarding sends all calls; conditional forwarding sends only missed, busy, or unreachable calls.
• Activation is usually a star code dialed from your line or a setting in your carrier's portal.
• Carrier steps differ by product, not just by company, so confirm your exact service.
• Google Voice numbers cannot be forwarded to an automated answering system.

Start by deciding what you need the system to do. If callers mainly need questions answered and messages taken, a straightforward setup is fine. If you want appointments booked while you are unavailable, check how the system handles calendars. AllDayDesk, for example, books new appointments on its built-in dashboard calendar by default, once you have configured your services and availability. An optional Google Calendar connection is available in Settings after you connect and authorize your Google account. Other calendars and industry scheduling software are not supported connections.

Next, think about what happens when the system does not know an answer, a price, or whether a time slot is open. A well-designed system takes a message instead of guessing, so you can call the person back with accurate information. Also consider transfers: some systems can transfer a call to you, but you have to configure the destination and the rules, and a fast pickup is never guaranteed.

Compare pricing structure, not just the headline number. Some services charge per call, some per minute, and some per month with an included allowance. For comparison, Ruby advertises human virtual receptionist plans starting at $245 per month as of October 2026. Always verify current quotes, included usage, hours, and contract terms before deciding.

• Decide whether you need message taking only or appointment booking too.
• Check which calendar the system books into and whether connecting your own calendar is optional or unavailable.
• Confirm the system takes a message when it does not know an answer or a price.
• Understand transfer setup: you configure the destination and rules, and immediate pickup is not guaranteed.
• Compare per-call, per-minute, and monthly-allowance pricing on your actual call volume.

Setup with AllDayDesk follows a simple order. First, choose your business from a list or enter your business website, then check the details the system pulled together so the information it shares with callers is accurate. Second, listen to a personalized sample so you know exactly how your business will sound to callers. The sample is a preview only; it does not create a real booking. Third, choose your phone setup, which is where the forwarding steps from your carrier come in.

After activation, test it the way a customer would: call your own business number from a different phone and see how the system handles a real question. Then check the dashboard, where you can review the call, its transcript, the summary, and any appointment that was requested or booked. Keep in mind that changes to existing appointments are requests for you to approve, not confirmed changes, so you stay in control of your schedule.

Before the system can book appointments for you, configure your services and availability in the dashboard. New appointments go on the built-in AllDayDesk calendar by default. If you prefer, connect Google Calendar in Settings and authorize your account; that connection is optional and is the only external calendar supported.

• Step 1: choose your business or enter its website, then verify the details.
• Step 2: listen to the personalized sample; it does not create a real booking.
• Step 3: choose phone setup and apply your carrier's forwarding instructions.
• Test by calling your own number from another phone, then review the call in the dashboard.
• Configure services and availability before enabling appointment booking.

Knowing the limits helps you set honest expectations. Around-the-clock availability means the system is available to answer whenever a call comes in, but it is not a guarantee that every single call connects or that a transfer reaches you immediately. When the system does not know an answer, a price, or an open appointment time, it takes a message so you can respond yourself.

The system also does not connect to dispatch software, CRMs, health records, or industry scheduling tools. The only external calendar connection is the optional Google Calendar link in Settings. And it is not a place to collect sensitive medical, legal, or financial details from callers; keep those conversations for direct contact with you.

• Availability is around the clock, but no system guarantees every call connects.
• Unknown answers, prices, or times become messages for you, not guesses.
• Transfers need a configured destination and rules, and immediate pickup is not guaranteed.
• No dispatch, CRM, health record, or industry software connections; Google Calendar is the only optional external calendar.