How to Set Up Outbound Calls on Xiaomi: A Complete Guide to Solving Typical Problems

Modern Xiaomi smartphones offer a lot of options for customizing phone calls, but many users have difficulty trying to change the parameters of outbound connections. From basic voice settings to solving problems with network inaccessibility, every aspect requires attention. This article will help you understand all the nuances of outbound call configuration on Redmi, POCO and Mi devices, including current solutions for models 2023-2026 with MIUI 14/15.

Xiaomi phones are a feature of deep integration of Google services and the company's own developments, which means that the configuration of calls can depend not only on the firmware version, but also on the regional features of the device. SIM-maps to fine-tune VoLTE and VoWiFi settings, which are often ignored in standard instructions.

Preparing your smartphone for the first outgoing calls

Before making your first calls, make sure your Xiaomi is properly configured to work with the mobile network. SIM-cards – even the slightest shift of contacts can lead to connection problems. on models with a hybrid slot (for example, Redmi Note 12 Pro)+) Make sure you select the priority voice slot in the Settings menu → SIM-maps and mobile networks → Default slot.

The next step is to activate the mobile network. Go to Settings. → SIM-maps and mobile networks → [Yours. SIM-map] and include parameters:

• 📶 Mobile data (even if you don’t plan to use the internet)
• 📞 Voice calls (the main parameter for outgoing connections)
• 🔄 Automatic network selection (recommended for most operators)

For devices with VoLTE support (voice through) LTE) Please note that some operators (e.g. Tele2) require additional activation of the service via the same menu. USSD-A team or a personal account. POCO F5 The new VoLTE function is enabled automatically when you first connect to the network. 4G.

Basic settings for outgoing calls in MIUI

The basic call options in Xiaomi are concentrated in the Phone app and system settings. Open the app and tap the three dots in the upper right corner, then select Settings. Here are the key options available:

• 🔊 Loudness of the call – adjusting the sound level during a conversation
• 📵 Quick completion – activation of the power button call completion function
• 🔄 Auto dialing – automatic re-recruitment during employment (useful for corporate lines)
• 📱 Display on the lock screen – control the visibility of the call information

Pay special attention to the section Additional settings, where important parameters are hidden:

• 🔗 Call forwarding – setting conditional and unconditional forwarding
• 📞 Waiting and Holding – Managing multiple calls at the same time
• 🔒 Call prohibition – blocking outbound connections (useful for parental control)

On models with MIUI 15, the Intelligent Call Assistant feature appeared, which automatically records conversations (with notification of the interlocutor) and offers quick answers to frequent questions. Activated in Phone Settings → Conversations and Calls → Intelligent Assistant.

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If after the MIUI update, the call settings disappeared, try resetting the Phone application settings in the Settings menu → Applications → Application Management → Phone → Storage → Reset.

Configuring the caller's identifier

Correct setting of the displayed number (Caller) ID) It is important for both personal and business communications. At Xiaomi, this setting is regulated through a USSD-Operator commands or menus:

1. Open the phone application
2. Enter *#31# and press the call button
3. Select the number display mode: 🔢 Default (depends on the operator's network) 🚫 Hide the number (anonymous call) 📞 Show the number (standard mode)

To permanently hide the number on all outgoing calls, enter the command *31#, to cancel the concealment - #31#. At some tariffs, operators can block the possibility of hiding the number (for example, corporate lines of MTS).

On models Xiaomi 13 series and newer appeared the function of Double Caller ID, This option allows you to display different numbers for different contacts. → SIM-map → Additional settings → Caller ID and requires support from the operator (currently works only with MegaFon and Beeline).

Addressing the Inaccessibility of Outgoing Challenges

If your Xiaomi can’t make an outbound call, there are several aspects to the problem: Start your diagnosis by checking the most obvious parameters:

For devices with MIUI 14/15, there is a problem with the "hang" of the communication module after prolonged use, in which case the forced reboot of the module will help:

Settings → About phone → All characteristics → 5 times press on the “Core” → Equipment Test → Communications Module → Reboot

If the problem persists, check the work SIM-On Redmi Note 11 series and older, it often helps to roll back to factory firmware through Settings. → Additionally. → Recovery and discharge → Resetting settings (select "Save Media Files").

Checking the balance and activity of the tariff

Test SIM-card on another phone

Resetting network settings

Updating the firmware to the latest version

IMEI and radio status check

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Features of setting up VoLTE and VoWiFi on Xiaomi

VoLTE (Voice over LTE) and VoWiFi (Voice over Wi-Fi) technologies significantly improve the quality of communication, but their setup on Xiaomi has nuances.

1. Go to Settings. → SIM-maps and mobile networks → [Yours. SIM]
2. Activate the VoLTE call switch
3. Confirm the inclusion in the window that appears
4. Reset the device

For business users, a conference call feature that supports up to 5 participants at a time is useful.

1. Make the first call
2. Click "Add Call" in the Control Menu
3. Dial the second number.
4. After the answer, click "Combine"

On devices with IR-With a blaster (like the Redmi Note 12 Pro), you can use the phone as a remote for office telephone exchanges. → Connected devices → DU remote → Telephone systems.

For users with hearing problems, MIUI provides voice amplification (Settings → Special features → Improved sound when calling), which increases the volume of the interlocutor by 200% without distortion.

Optimization of communication quality and saving charge

Poor communication quality is often associated not only with phone settings, but also with power optimization. Xiaomi with MIUI 14/15 runs an algorithm Adaptive Communication, which automatically adjusts the power of the radio module, to manually optimize the parameters:

1. Go to Settings → Battery and Performance → Battery Mode
2. Choose Balanced or Performance Profile
3. Enable Network Optimization in the Same Menu

To save charge with frequent calls:

• 🔋 Turn off Constant Network Search in Settings → SIM-map → Searching the net
• 📶 Set a limit on background data transfer for the Phone application
• 🔄 Use the regimen. 2G only at a weak signal 4G (saves up to 30% of charge)

On models with Snapdragon 8+ Gen 1 and newer Smart feature available 5G, which automatically switches between 4G and 5G For calls, the system always selects the most stable network. → SIM-map → Preferred type of network → Smart 5G.

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If you make frequent roaming calls, turn off automatic network selection and manually select a local operator in Settings. → SIM-map → Searching the net → Manual connection, this will prevent unexpected charging.

FAQ: Frequent questions about setting up outbound calls