How to Call Forward Calls to Mobile Phone

Edwin Frondozo

For those who need to quickly call forward, jump to:

The world has certainly changed with the advent of mobile devices.  Now more than ever, we are connected to work, friends, and family wherever we are.  Whether you work at home, the office, coffee shop, or from vacation, it is impossible to disconnect.

Thankfully, whether you want to work from home, the office, or the coffee shop, you can have all your calls forwarded to wherever you are, more often then not, it is to your mobile phone.  A common question we get is, “how do I call forward my landline to my mobile phone?”

[blockquote]Awesome, but how do I call forward my landline to my mobile phone[/blockquote]

Call forwarding is NOT new.  I’ll say it again, it is NOT new, but it is such a useful feature, I wonder why people do not use it more often.

But just in case, I will go over what call forwarding is and the types that exist.

What is Call Forwarding?

Call forwarding is a standard feature on every telephone service that redirects an incoming phone call to another destination.  The destination can be anything that has a telephone number associated like a regular telephone landline, a mobile phone, a fax machine, a voice mailbox, a personal assistant, or perhaps, an answering service.  Whatever the case, you can get creative.

The most common use is call forwarding your office or home landline to your mobile phone, or vice versa.  If you travel quite a bit, more likely than not, you will want to take your calls at all times.  As soon as you step away from your desk/office, you will want your phone calls answered on your mobile phone.

Basic Call Forwarding (Forward all incoming calls immediately)

This type of call forward allows you to turn on and off call forwarding using a special activation and deactivation code. Unfortunately, phone companies can’t seem to agree on a common code system so it is important to check with your phone company on what the code are for your phone service.

A common example of a code to activate is *72 and then the 10-digit number you want to forward to. You’ll either hear a confirmation tone indicating call forwarding is set or ringing. If you hear ringing, make sure to wait until the line is answered either by a person or a voice mail greeting. *73 is the common deactivation code to turn call forwarding off.


Sends all call to the destination number on the first ring.  So, if you receive 10 calls at once, they will all forward to the destination of choice.


The only disadvantage is that you will have to remember to turn of and off call forwarding.

Call Forwarding, No Answer (Forward calls only when I can not answer)

This one is pretty much exactly as the name indicates. If “call forwarding no answer” is set on the phone line, it will automatically forward to the destination number after a configurable number of rings (default is 3 rings).

I love this option because it gives you the option to pick up the call but if you get busy, or unavailable, you can have the calls routed to someone who is always available, for example, your customer service representative.


This call forwarding is on by default 24/7 so you do not need to remember to activate or worry about missing any important calls.


If you set the call forwarding after a high number of rings, the caller experience will be less than desirable.  For example, if you have the call forwarding no answer set to 4 rings and the call then routes your customer service department, which in turn, takes about 2 rings, the person dialing will get a minimum of 6 rings, which may be too long for some businesses.

Busy Call Forwarding (Forward calls when I am on the line)

If all of your lines are in use, or you are are a call, this option is perfect.  Rather than hearing a busy signal, the caller will automatically forward calls on a busy signal.  The caller will be redirected to the destination telephone number on first ring and will never hear the busy signal.


No more busy signals. More business for you, life is good!


Unless there is a reason where you do not want to answer all of your phone calls, there’s really no drawback to using busy call forwarding.

Now, onto the codes and instructions.

Call Forwarding From a Landline

How to forward your calls from a landline

If you are looking to call forward an regular landline (a.k.a. a POTS line… plain old telephone system) from your home or office.  Carriers like Comcast, AT&T, Bell Canada, Telus, Rogers, and similar.

  1. Dial star-seven-two (*72) from your landline phone
  2. Listen for three beeps followed by dial tone
  3. Dial the 10 digit phone number to which your calls are to be forwarded
    • If you typically have to dial a 1 and the area code to reach the number, do so here as well.
  4. Listen for a confirmation tone. When the tone is sounded, the forward is active.

Call Forwarding from a Mobile Phone

How to call forward mobile phones

This method involves punching in a code on your phone’s dial pad. The codes listed are accurate as of July 2016. For details on additional codes including call forward when busy or no answer call forwarding, please see the detailed instructions links I’ve listed under each carrier.


Enable – Dial **21*PhoneNumber#
Disable – ##21#


Enable – Dial *72 followed by the phone number
Disable – *73


Enable – Dial *72 followed by the phone number
Disable – *720


Enable – Dial **21*, followed by the 10-digit number you wish to forward the calls to, then dial#. For example, **21*1235556789# forwards your call to 123.555.6789.
Disable – Dial #21#.


Enable – *21*[10 digits]#
Disable – ##21#


Enable – Dial *21*(phone number)#, from your home phone. The phone number being the number you wish to forward the calls to.  Once you hear a confirmation tone, hang up the phone.

How to Call Forward from Office Business Phones

Jump to Business VoIP Sets

Digital PBX Systems

Avaya Systems

  1. By default this function is only applied to incoming external calls to you. However, if required internal calls and or hunt group calls can also be selected.
  2. When enabled, all calls matching the settings are forwarded to the number set as the forward unconditional destination. That number can be internal or external.
  3. You can still use the phone to make outgoing calls. When you go off-hook you will hear broken dial tone.
  4. The forward on busy and forward on no answer options use the same forwarding destination number. If no number is set, they use the same destination as set for forward unconditional.
  5. If you have voicemail enabled, the telephone system will attempt to redirect forwarded calls to voicemail if they are still unanswered after having rung for your no answer time (default 15 seconds). This is not always possible for calls that have been forwarded to an external number.
    • D = Diverting (Forwarding) Calls
      A D is shown on your phone’s display when you have forward unconditional enabled.

Nortel Norstar

  1. Press Feature 4 or your Call Forward button.
  2. Press the digit used to access an external line e.g. 9.
  3. Enter the full external number you want your calls to be forwarded to.
  4. Press the OK key or the HOLD button.

Nortel Meredian

  1. Press Forward. LCD arrow flashes.
  2. Dial the number to forward calls to.
  3. Press Forward again. LCD arrow is on.
    • To cancel Call Forward:
  4. Press Forward. LCD arrow is off.

Toshiba Systems

  1. Press the INT (or DN) button on your phone. This should be the bottom button (on 10-button phones) or the bottom left button (on 20-button phones).
  2. Press the # key followed by the Call Forward code (see table below)
    • All Calls: 6011
    • Busy: 6021
    • No Answer: 6031
    • Busy / No Answer: 6041
  3. Dial 9 if it is required that you do so to reach an outside line.
  4. Dial the destination phone number (remember to use 1 + the area code if it a long-distance number)
  5. Press the # key
  6. Hang up

Business VoIP Phones

Aastra Business VoIP

  1. Press the “Options” key
  2. Press ▶ to select “Call Forward”.
  3. Scroll to the desired mode (“All,” “Busy,” or “No Answer”) and select.
  4. Fill in the forwarding number and turn “State” on by toggling ▶ or the “Change” softkey.
  5. Back out by hitting the “Done” softkey three times.
  1. Press the “Call Forward” softkey.
  2. Press “On” for any or all of the three forwarding options (“All,” “Busy,” or “No Answer”) and fill in the forwarding number.

Polycom VoIP Phones

  1. The forwarding feature can be accessed different ways depending upon the model of phone.
    Press the “Forward” key, or
    Press the “Menu” key, then select “Features” and “Forward”
  2.  Select a Forwarding Type from:
    Always, No Answer, and Busy.
  3. Each option may be blank, or enter a number to forward all future calls to.
  4. For No Answer, enter the number of rings before forwarding.
  5. Press the Enable soft key to confirm Call Forwarding. A moving arrow icon appears for that line to confirm Call Forwarding is enabled.


If you don’t see what you are looking for, please let me know, leave a comment, Tweet, or email, and I will be more than happy to help you!

Main image credit: YU-JEN SHIH

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