Mobile communications have become an integral part of modern life, but there are moments when a personal number can distract from important matters or simply get in the way. Situations when it is necessary to redirect an incoming call to another phone arise regularly for many users. This may be due to the lack of signal in the current zone, being in roaming, or the desire to separate work and personal contacts without purchasing a second SIM card.
The operating system Android offers flexible tools for managing incoming calls, allowing you to control the flow of communication. Call forwarding is a network service that redirects incoming calls to another number specified by you in advance. Unlike simply ignoring the call, this feature ensures that the caller will not lose contact with you, even if your main device is turned off or unavailable.
There are several ways to activate this feature, and the choice of method depends on your smartphone model, firmware version and carrier preferences. Some users prefer to use the standard settings menu, others choose USSD commands for quick access, and others install specialized applications for advanced control. Our detailed guide will help you understand all the nuances of this function.
Types of forwarding and their features
Before proceeding with the technical setup, it is important to understand exactly what redirection options are available to users. GSM and LTE mobile communication standards provide for several scenarios, each of which solves a specific problem. Understanding the difference between them will allow you to set up your phone as efficiently as possible.
Unconditional forwarding is an option in which the call is redirected immediately, without giving your phone even a chance to ring. The subscriber trying to reach you will hear ringing tones on the second number. This mode is ideal when you are in an area without coverage or want to completely delegate calls to a secretary or colleague.
- 📞 Forwarding when busy - the call goes to another number if you are talking to someone else at the moment.
- ⏳ Forwarding when there is no answer - the system waits a certain number of rings, and if you do not pick up the phone, the call goes to the specified number.
- 🚫 Forwarding when unavailable - activated when the phone is turned off, the SIM card is removed or there is no network signal.
It is also worth noting the function voice mail, which is technically a form of forwarding to the operator's server. However, unlike redirection to another mobile number, here the call is interrupted and you are asked to leave a message. Some tariff plans may charge a separate fee for voice mail, so it is better to check the terms of the tariff in advance.
⚠️ Attention: When using forwarding to numbers of other operators or in roaming, additional costs may apply. The cost of a minute of conversation is often calculated as an outgoing call from your number to the forwarding number plus an incoming call for the person calling you.
Each type can be configured separately, which gives a high degree of flexibility. For example, you can set up work calls to be forwarded to a colleague during lunch, but leave personal calls going to your phone if you are available. Or set up a scenario where all calls go to voicemail if you are at the cinema.
Configuration via the standard Android menu
The simplest and most visually intuitive way to manage calls is to use the built-in interface of the operating system. The path to the settings may differ slightly depending on the manufacturer's shell (Samsung One UI, Xiaomi MIUI, Stock Android), but the logic remains the same. You do not need special knowledge or root access.
To begin, open the standard “Phone” application, which usually has a green icon with a handset. In the top right corner of the screen, you will see three vertical dots or a “More” button. By clicking on it, you will be taken to the context menu where you need to select Settings. Next, the interface may offer the “Accounts” section or immediately “Calls”.
☑️ Check before setting
Inside the call settings menu, look for an item that may be called “Advanced settings”, “Operator settings” or simply “Forwarding”. The system will try to download the current settings from the network, which may take a few seconds. If the download was successful, you will see a list of the four main types of redirects that we talked about earlier.
Select the type you want, for example, “Always redirect.” A dialog box will open where you need to enter the phone number to which calls will be sent. After entering the number, click the “Enable” or “OK” button. The system will send a request to the operator, and in a moment you will receive confirmation of service activation.
⚠️ Attention: If, when you try to change the settings, you see the message “Request Error” or “Failed to update the forwarding settings,” this may indicate temporary problems with the operator’s network or a ban on changing the settings by the service provider.
This means that even if you change the SIM card to another phone or tablet that supports calls, the forwarding settings will be saved, since they are stored on the network side and not in the device’s memory.
Why may the settings not be saved?
Sometimes the settings may be reset after rebooting the phone if a third-party dialer application is used that conflicts with the system one. In this case, it is recommended to return to the standard “Phone” application from Google or the device manufacturer to manage network functions.
Using USSD codes for quick control
For those who prefer speed and do not want to wander through the menu, there are universal ones USSD commands. These codes work on any phone, even push-button models, and do not require Internet access. They are short sequences of numbers and symbols that are sent directly to the telecom operator.
The basic principle of the codes is based on the use of asterisks and hash marks. For example, to activate unconditional forwarding, a code like **21*number#is often used. Where instead of the word “number” you substitute the target phone number. To disable the service, the code ##21#is usually used. However, the syntax may vary depending on the operator.
Consider the main codes that are the de facto standard for most GSM operators:
- 🔢 Unconditional activation:
**21*[number]# - 🔢 Activation when busy:
**67*[number]# - 🔢 Activation when unavailable:
**62*[number]# - 🔢 Cancel all redirects:
##002#
To use this method, open the dialer application, enter the required combination and press the call button. A pop-up notification from the operator will appear on the screen confirming the action or describing the error. This is the most reliable way if the smartphone menu does not work correctly.
Use the code ##002# to quickly cancel all forwardings at once if you forgot that you turned them on and cannot understand why no one is calling you.
There is also the ability to check the status of services. The code #21# usually shows the current state of unconditional forwarding. This is useful when you are on someone else's phone or using a borrowed device and want to make sure that your calls do not go anywhere after use.
Management through operator applications
Modern mobile operators are striving to transfer all interactions with the client into a digital environment, offering their own applications for Android and iOS. apps such as “My MTS”, “Megafon”, “My Beeline” or “My Vodafone” provide a convenient graphical interface for managing services, including redirection.
Using the application has a number of advantages over USSD codes. Firstly, there is no risk of making mistakes in the numbers. Secondly, the interface is completely in Russian and is equipped with tips. Thirdly, you immediately see the cost of the service and the conditions for its connection. Typically, the section with forwarding is located in the “Services” or “Calls” category.
The setup process is as follows:
- Log in to the operator’s application (usually using an SMS code).
- Go to the section for managing services or communication services.
- Find the block “Forwarding” or “Call forwarding.”
- Select the type of forwarding and enter the number in the appropriate field.
- Confirm changing the settings.
Applications also allow you to create scripts. For example, you can configure the automatic activation of forwarding at a certain time of day or when you are in a specific geolocation zone, if the operator’s functionality supports this. This turns a simple function into a powerful accessibility management tool.
| Configuration method | Complexity | Network dependency | Versatility |
|---|---|---|---|
| Android menu | Low | Signal required | High |
| USSD codes | Medium | Signal required | Maximum |
| Operator application | Low | Internet required | Only your operator |
| Personal account (Web) | Low | Internet required | Only your operator |
Do not forget that operator applications often require permission to access contacts and call logs in order to function fully. If you are concerned about data privacy, using USSD codes or the system menu may be a safer option.
Third-party applications for advanced management
Although standard tools are usually sufficient, some users are looking for more complex solutions. In the store Google Play there are many applications that expand the functionality of the dialer. They allow you to create rules based on artificial intelligence, schedule or location.
One of the popular types of such apps are automators, such as Tasker or MacroDroid. With their help, you can set up a scenario: “If my phone is connected to the Wi-Fi home network and the time is between 23:00 and 07:00, then enable forwarding to my home phone.” It takes time to set up, but gives you complete control.
Another class of applications is virtual PBX and business communication services. They allow you to redirect calls not just to another number, but to a group of numbers, to a voice menu or to a computer. Such solutions are often paid and designed for small businesses or freelancers who need to look like a large company.
⚠️ Attention: By installing third-party call management applications, you trust them with access to your personal conversations and contacts. Carefully study permissions and user reviews before installation to avoid data leakage.
Using third-party software may lead to conflicts with the system dialer. If after installing such an application, standard calls no longer work correctly, try uninstalling the app or clearing its data through the Android settings menu. Often the problem is resolved by resetting the Phone app to factory settings.
Third-party applications provide flexibility, but standard Android tools and operator codes are more reliable and secure for basic forwarding tasks.
Solution and troubleshooting
Despite the simplicity of the function, users often encounter difficulties. One of the most common problems is the inability to activate forwarding. If the menu shows an error, first check whether this service is supported by your tariff plan. Some budget tariffs may block outgoing forwarding.
Another common situation is that calls are not forwarded, although the setting seems to be enabled. In this case, make sure that the number being forwarded to is correct. If you are forwarding calls to a landline number, you may need to add an area code or long-distance prefix (for example, 8 or +7).
There is also a technical aspect to consider: forwarding is a network service. This means that your phone must at least occasionally register with the network in order to receive a "busy" or "unavailable" status (for the corresponding forwarding types). If the SIM card is completely blocked or inactive, some types of redirection may not work.
If you changed the operator with the same number (MNP), the forwarding settings may be lost. During a transition period that lasts several days, network functions may become unstable. In this case, it is better to wait until the procedure is completed or contact the new operator’s communication center.
What to do if forwarding turns on by itself?
Spontaneous activation of forwarding is a rare but possible case, often associated with the actions of scammers or network failures. If you find that your calls are being diverted somewhere without your knowledge, immediately dial the code to cancel all forwarding (usually ##002#). After this, change the password from your operator’s personal account and check the list of connected services.
Is it possible to forward SMS?
You cannot forward incoming SMS to another number using standard Android tools and operator codes. This feature is not provided by GSM standards for general users. There are paid services and applications that can send text messages over the Internet, but not through the cellular operator's network as a voice call.
Does forwarding affect the battery?
Forwarding itself does not consume your phone's battery power, since the call is processed on the operator's server. However, if the phone is constantly searching for a network or is in active standby mode due to settings, the consumption may be standard. A switched off phone with forwarding enabled will successfully forward calls.
How do I know if a call has been forwarded to me?
There is usually no direct indicator on the screen during a call. However, if you call yourself from another phone, and the beeps start immediately or, conversely, the phone does not ring at all, but immediately connects, this is a sign of forwarding. You can also check the status through USSD commands or the settings menu.
Are settings reset when flashing?
No. Since forwarding settings are stored in the subscriber profile on the operator's side (in the HLR registry), any manipulations with the phone software, resetting to factory settings or flashing will not affect active forwarding. You need to disable it separately through codes or menus.