Call Forwarding for Business: How It Works and How to Set It Up

When you forward your business line, callers dial the number they have always used, and the phone company routes the call to a destination you choose. Callers still dial the same number they already know. This is useful when you are on a job site, after hours, or when you want another service to answer instead of your voicemail.

Forwarding is different from porting or buying a new number. Your number stays with your current provider, and you are only redirecting where the calls ring. That also means forwarding usually depends on your existing phone service being active and in good standing.

• Your public business number does not change.
• Forwarding is set up through your phone provider, not through the destination service.
• Charges can depend on your plan, so check with your provider.
• Forwarding applies to calls; on Verizon mobile, text messages are not forwarded, so check whether your own service forwards texts.

Unconditional (all-call) forwarding sends every incoming call to your destination immediately. Your original phone does not ring. This is the right choice when you want an answering service or another person to handle all calls on that line.

Conditional forwarding only diverts calls in specific situations. The usual conditions are: no answer after a set number of rings, busy while you are on another call, and unreachable when the phone is off or out of service. If you want to answer calls yourself but have a backup for the ones you miss, conditional forwarding is the option built for that tradeoff — support and setup depend on your specific line and plan.

One caution: on some services, such as Frontier Digital Voice, all-call forwarding overrides voicemail on the original line, so if you forward everything, your old voicemail will not catch calls. Check how your own product handles this before you activate.

• Unconditional: every call diverts immediately; original line does not ring.
• No-answer: diverts only after the phone rings unanswered.
• Busy: diverts when you are already on a call.
• Unreachable: diverts when the phone is off or has no signal.
• On some services, all-call forwarding overrides the original line's voicemail — confirm for your product.

A practical caution: using codes from the wrong product can leave forwarding off or set incorrectly. The same carrier often uses different steps for wireless, business landline, and hosted voice services. For example, Verizon wireless uses *72 plus the destination for all-call forwarding and *71 for unanswered calls, while Verizon business landline uses *72 and *73 for on and off. AT&T Phone for Business uses *72, destination, # for all calls and *92 for no-answer, but AT&T Collaborate uses *62 for busy forwarding and *92 for no-answer forwarding, with different codes to turn each off. Check your bill or account portal for the exact product name before you dial anything.

Some services use a web portal or app instead of, or alongside, star codes. Spectrum Business Voice manages forwarding in the online account under Voice Settings or Forwarding Manager. Vonage Business Communications has a Call Forwarding option where you enable forwarding to a phone number. Comcast Business manages phone features through My Account and the Comcast Business App, and features depend on which services you subscribe to.

After activating, test with a real call from another phone to confirm the destination rings. Some guides, like the Optimum Business Phone guide, confirm activation by whether the destination answers; if the attempt fails, you may need to retry the activation sequence.

• Find your exact product name on your bill or provider portal.
• Wireless and landline products from the same carrier can use different codes.
• Star-code products such as Verizon mobile and Optimum Business Phone require dialing from the line being forwarded; portal-based systems do not.
• Portals and apps often manage forwarding instead of codes on hosted systems.
• Test with an outside call and note how to turn forwarding off.

Google Voice can forward calls to linked phone numbers, but Google states that forwarding calls from a Google Voice number to an automated system is unsupported. If your business runs on a Google Voice number, check Google's own documentation before assuming any outside answering setup will work, and do not assume that other Google integrations carry over to your phone setup.

• Google Voice supports forwarding to linked phone numbers.
• Forwarding a Google Voice number to an automated system is unsupported by Google.
• Verify your number type before planning any forwarding setup.

Forwarding to your own cell phone is the simplest option, but it only works when you can pick up. Any charges depend on your source line and destination plans, so check with your provider. If you are on a ladder, under a sink, or with a customer, the call still goes to your voicemail unless you have conditional forwarding pointed somewhere else.

Forwarding to an answering service gives callers a consistent answer at any hour. AllDayDesk is one option: it answers calls around the clock using your saved business information, and you keep your public number by forwarding calls to it. Setup starts by choosing your business or entering its website, checking the details it found, hearing a personalized sample, and then choosing your phone setup based on your provider's forwarding instructions. Calls, transcripts, summaries, and bookings show up in your dashboard, and new appointments go on the built-in calendar once you have configured your services and availability, with an optional Google Calendar connection available in Settings after you authorize your account.

Whichever destination you choose, decide what should happen when you cannot answer or when a caller asks something the service does not know. A good setup takes a message with a callback number rather than guessing at answers or prices.

• Cell phone: familiar and simple, but only answers when you can; fees depend on your plans.
• Answering service: consistent coverage, handled through your provider's forwarding.
• Decide in advance how unknown questions, prices, and scheduling requests are handled.
• Changes to existing appointments are passed to you as requests, not confirmed automatically.

Before you change anything on your line, work through this list. It helps you avoid problems like forwarding to a wrong or dead number, losing voicemail coverage, and not knowing how to turn forwarding off.

• Write down your exact provider and product name from a recent bill.
• Confirm the destination number is correct and reachable.
• Find the official on and off codes or portal steps for your product.
• Check whether your plan charges for forwarded calls or minutes.
• Decide between all-call and conditional forwarding based on when you want calls to divert.
• Test with a call from a different phone, then test turning forwarding off.