Business phone guide

How to Forward Calls From Office to Cell Phone

To forward calls from your office phone to your cell phone, you usually dial a short activation code from the office line, followed by the 10-digit cell number, and wait for a confirmation tone or message. On many landline and business phone services that code is *72, and *73 turns forwarding off. Cloud-based business phone systems often use a web dashboard or app instead of star codes. The exact steps depend on which phone service your office uses, so identify your provider and product name first, then follow its own instructions. This guide walks through the common methods, the codes published by major providers, and what to check before you switch forwarding on.

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Step 1: Identify Your Phone Service Before You Dial Anything

Forwarding instructions are not universal. The same provider can sell several phone products with different steps, and using the wrong product's code can leave forwarding off or misconfigured. Before you start, find the exact service name on your bill, your provider's welcome email, or the label on your office phone.

Ask yourself three questions: Is this a traditional landline, a cable or fiber phone service, or a cloud business phone system? Is the line a desk phone in the office or a mobile line? And do you have admin access, since some business systems only let an account owner change forwarding settings?

  • Check your monthly bill or provider portal for the exact product name, not just the brand.
  • Confirm whether the line is a desk phone, a mobile line, or a cloud-hosted extension.
  • Find out if you need administrator permission to change call features.
  • Note your 10-digit cell number including area code; you will need it for every method.

Sources: Comcast Business Voice Mobility · Spectrum Business Voice user guide · AT&T Collaborate feature access codes

Step 2: Use Star Codes on Landline and Cable Phone Services

Traditional and cable-based office phone services commonly use star codes dialed from the office handset. The most widely published pattern is *72 to turn on all-call forwarding and *73 to turn it off, but the details differ by product, so confirm against your own provider's guide.

A typical activation works like this: lift the handset, listen for dial tone, dial *72, wait for a second dial tone or prompt, then dial your 10-digit cell number. Many services confirm with a tone, a spoken message, or a test ring at the destination. If the destination does not answer on some services, you may need to repeat the sequence or press the flash or hook switch and redial. Dial *73 from the same line when you want calls back at the desk.

  • Optimum Business Phone: dial *72, wait for dial tone, dial the destination; the destination answering confirms it. Press flash, dial *72 again and redial if busy or unanswered. *73 turns it off.
  • Verizon business landline: dial *72 and follow the activation instructions; dial *73 from the same line to deactivate.
  • AT&T Phone for Business: all calls *72, destination, #; no answer *92, destination, #; busy *90, destination, #. Turn each off with *73#, *93#, or *91#.
  • Comcast Managed Voice (Panasonic TPA65 guide): lift the handset, dial *72 and the destination, then hang up; *73 disables.
  • Frontier Unlimited Digital Voice: dial *72, wait for a second dial tone, enter the destination, and listen for confirmation; *73 disables.

Sources: Optimum Business Phone user guide · Verizon business call forwarding guide · AT&T Phone for Business call forwarding · Comcast Managed Voice phone guide · Frontier Unlimited Digital Voice guide

Step 3: Use a Web Dashboard or App for Cloud Phone Systems

Cloud and hosted business phone systems usually manage forwarding in a web portal or mobile app rather than with star codes. You sign in, select your phone number or extension, and set a forwarding destination and a forwarding type.

Spectrum Business Voice is one example: sign in to SpectrumBusiness.net with a role that can manage voice, open Voice, choose the phone number, then use Voice Settings or the Forwarding Manager to enable forwarding, pick all calls or busy/no-answer, and set the destination. Comcast Business manages forwarding features through My Account and the Comcast Business App for services that include them, and Vonage Business Communications lets you select Call Forwarding and choose to forward calls to a phone number. Windstream OfficeSuite UC users manage immediate forwarding from the My Call Forwarding widget in the WE Connect dashboard.

After changing a portal setting, place an outside test call to the office number and confirm it rings on your cell. Portal screens vary between accounts and product versions, so use your provider's own help pages if the layout looks different.

  • Sign in with an account that has permission to manage phone features.
  • Select the exact phone number or extension you want to forward.
  • Choose the forwarding type: all calls, or busy and no-answer only.
  • Enter your 10-digit cell number as the destination and save.
  • Test with a real outside call and turn forwarding off the same way when done.

Sources: Spectrum Business Voice user guide · Comcast Business Voice Mobility · Vonage Business Communications call forwarding · Windstream OfficeSuite UC user guide

All-Call Forwarding vs. Conditional Forwarding

There are two main forwarding modes, and picking the right one matters. All-call (unconditional) forwarding sends every incoming call straight to your cell, and the desk phone does not ring. Conditional forwarding only redirects calls in certain situations: when the line is busy, when nobody answers after a set number of rings, or when the line is unreachable.

All-call forwarding is simplest when you are out of the office all day. Conditional forwarding is useful when you want the desk to ring normally but catch calls you miss. Not every service or plan supports every conditional option, and some carriers only offer conditional features on select lines or devices, so confirm with your provider before relying on it.

One more thing to know: on many services, all-call forwarding overrides the desk phone's voicemail, so callers reach your cell instead of the office mailbox. Decide where you want missed calls to land before you activate.

  • Unconditional (all calls): every call forwards immediately; the desk phone stays silent.
  • Busy: forwards only while you are already on a call.
  • No answer: forwards after the phone rings a set number of times.
  • Unreachable: forwards when the line is down or out of service.
  • Check whether forwarding overrides your office voicemail before activating.

Sources: Verizon mobile call forwarding · T-Mobile short codes · Tracfone forwarding on XT2115DL · C Spire wireless feature catalog

Forwarding From a Mobile Line Instead of a Desk Phone

If the line you want to forward is a cell phone rather than an office desk phone, the steps are different. Mobile carriers use their own short codes dialed from the mobile phone itself, and setup usually must happen while the phone is in the carrier's coverage.

Verizon mobile, for example, activates all-call forwarding with *72 plus the 10-digit destination and disables it with *73; unanswered-call forwarding uses *71 plus the destination. T-Mobile uses codes in the **21*1[destination]# pattern for unconditional forwarding, with separate codes for no-reply, unreachable, and busy conditions, and ##004# to reset to defaults. Forwarding applies to calls, not texts, and charges can depend on your plan.

One important limit: Google Voice does not support forwarding its calls to an automated answering system, so a Google Voice number is not a compatible path for services like an AI receptionist. Check your carrier or service's own documentation before assuming a cell line can forward anywhere.

  • Verizon mobile: *72 plus destination for all calls, *71 plus destination for unanswered, *73 to disable.
  • T-Mobile: **21*1[destination]# for all calls; **61*1 for no reply, **62*1 for unreachable, **67*1 for busy; ##004# resets.
  • Setup is done from the mobile phone while in coverage; texts do not forward.
  • Google Voice numbers cannot be forwarded to automated answering systems.

Sources: Verizon mobile call forwarding · T-Mobile short codes · Google Voice linked phone setup

What to Check Before You Turn Forwarding On

Forwarding is easy to switch on and easy to forget. A few quick checks save you from missed calls and surprise charges later.

First, confirm whether your plan charges for forwarded minutes, since some carriers note that charges depend on the plan. Second, test the setup with a real call from another phone, not just by trusting the confirmation tone. Third, write down how to turn forwarding off, because the most common problem is leaving it on after you are back at the desk. Fourth, remember that forwarding sends calls to one cell phone; if you cannot answer, callers go to your personal cell voicemail, which may not sound like your business.

  • Ask your provider whether forwarded calls use plan minutes or cost extra.
  • Place a test call from a different phone to confirm the destination rings.
  • Record the deactivation code or portal path so you can undo it quickly.
  • Update your cell voicemail greeting so it identifies your business.
  • If you share the office line, tell coworkers before you redirect it.

Sources: Verizon mobile call forwarding · Frontier Unlimited Digital Voice guide

When Forwarding to Your Cell Is Not Enough

Forwarding works well when you are available to answer. It does less well when you are on another call, driving, with a customer, or asleep, because unanswered calls simply roll to your cell voicemail. Callers who reach voicemail often hang up, and you find out later from a recorded message you have to return.

An answering service takes a different approach: instead of sending calls to your cell, incoming calls are answered, common questions are handled, messages are taken, and appointment requests are captured for you. AllDayDesk, this site's own product, answers calls around the clock using your saved business information. You keep your existing business number by forwarding calls to it, using the same forwarding steps covered on this page. Setup involves choosing your business or entering its website, checking the details it found, hearing a personalized sample greeting, and then choosing your phone setup. Calls, transcripts, summaries, and bookings show up in your dashboard, and new appointments go to the built-in calendar by default once you have configured your services and availability, with an optional Google Calendar connection available in Settings after you authorize your account.

If a caller asks something AllDayDesk does not know, such as a price that is not in your saved information, it takes a message instead of guessing. When you configure call transfers, it can transfer calls to a destination you set, following the rules you define; pickup is not guaranteed, so many owners rely on message taking for anything time-sensitive. Changes to existing appointments are passed to you as requests rather than confirmed changes.

  • Forwarding sends calls to one person; an answering service handles them for you.
  • AllDayDesk answers around the clock using your saved business details.
  • You keep your current number and forward calls to the service.
  • Messages, transcripts, and bookings appear in your dashboard.
  • Unknown answers become messages rather than guesses.

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More questions, answered

Does *72 work on every office phone?

No. *72 is a common activation code for all-call forwarding, but the exact steps depend on your provider and product. Some cloud phone systems use a web portal or app instead of star codes, and a few products use different codes for busy or no-answer forwarding. Identify your exact service name before dialing.

Will my desk phone still ring when forwarding is on?

With all-call forwarding, no. Calls go straight to the destination and the desk phone stays silent. With conditional forwarding (busy or no-answer), the desk phone rings first and only missed or busy calls move to the destination.

Does forwarding cost extra?

It can. Some carriers note that charges for forwarded calls depend on your plan, and forwarded calls may use minutes. Check with your provider before leaving forwarding on long term.

Can I forward my office phone to my cell remotely?

It depends on your service. Some cloud phone systems let you change forwarding from a web portal or app from anywhere. Traditional landline star codes generally must be dialed from the office line itself, and mobile carrier codes must be dialed from the mobile phone. Ask your provider whether remote activation is available on your product.

What happens to texts when I forward calls?

Call forwarding applies to calls, not text messages. Texts sent to your office or mobile line stay where they were before.

Can I forward a Google Voice number to an answering service?

No. Google explicitly states that forwarding calls from a Google Voice number to an automated system is unsupported. Use a standard carrier or business phone line if you want calls handled by an answering service.

Hear the receptionist answer for your business

Forwarding sends every call to one phone you have to answer. AllDayDesk answers around the clock using your saved business information, takes messages when it does not know an answer, and shows you calls, transcripts, and bookings in your dashboard. Enter your business or its website, check the details, and hear a personalized sample greeting for your own business before you decide.

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Updated . Linked sources checked on the date shown.

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