The appearance of an unfamiliar telephone handset icon on your router's indicator panel often causes confusion for users accustomed to seeing only antenna and network symbols. This symbol indicates that the device has activated the IP telephony Or VoIP, which allows landline phones to be connected directly to the router. Most home networks don't use this option, but it may be enabled by default by your provider or accidentally activated during the setup of other services.
Ignoring this indicator is not recommended, as an active telephony service consumes the router's processor resources, even when you're not using it. Furthermore, open SIP ports can pose a potential security vulnerability to your local network if they aren't protected with a strong password. Therefore, a smart solution is to disable the unnecessary module through the device's web interface.
In this article, we will take a detailed look at why this indicator lights up on various equipment models, such as ZTE, Huawei or TP-Link, and we'll provide step-by-step instructions for deactivating it. You'll learn how to find hidden telephony settings in the admin panel and what to do if standard deactivation methods don't work. Understanding how network services work will help you optimize your home internet.
What does the handset indicator on a router mean?
A telephone receiver-shaped indicator, which can flash or stay lit, indicates the status of the analog telephone adapter built into your router. This technology, known as FXS (Foreign Exchange Station) allows you to connect regular landline phones to a digital internet connection. When you see this icon, it means the software module responsible for voice transmission over SIP or H.323 protocols is running and awaiting registration or an incoming call.
Users often encounter this symbol after flashing their router or resetting it to factory settings, when the device automatically pulls the configuration from the provider. In some cases, especially on devices from Beeline, Rostelecom or MegafonProviders remotely activate this service, assuming the subscriber might want to use home telephony. However, if you don't have a phone connected to the port Phone or Tel On the back panel, this indicator just takes up space and can be distracting.
⚠️ Attention: If the handset indicator is flashing rapidly, this may indicate an unauthorized attempt to register the device on the provider's network or a brute-force attack on your SIP account. We recommend changing the password for the router's web interface immediately.
It's important to distinguish between the different states of the indicator: a steady glow usually means the service is running and the phone is registered to the network, while blinking indicates registration, a call, or voicemail. On modern dual-band routers, this module operates independently of Wi-Fi networks but shares a CPU. This could theoretically impact ping in online games during active calls, although in practice, the impact is minimal.
The main reasons for the VoIP icon appearing
There are several scenarios in which the phone service display is activated in the status bar. The most common reason is the provision of service. digital telephony Your internet service provider. When you sign a contract, a "Three-in-One" package is often automatically activated, including internet, TV, and phone. Even if you don't use a phone, your equipment is configured to support this feature.
Another reason could be manual activation of the function SIP Server or VoIP in the router settings by the user, perhaps in an attempt to improve connection quality or set up forwarding, and then forgotten. The icon may also appear after an automatic firmware update, when new software versions are available. ZTE or Huawei change the logic of displaying indicators, starting to highlight all potentially active modules.
Sometimes the indicator lights up due to a software error, when the telephony process gets stuck in a loop of repeated attempts to connect to the provider's server. In this case, the router assumes the service should be working and continually tries to establish a connection, which is reflected on the indicator. This often happens when the connection is unstable or when settings on the provider's end are changed.
- 📞 Activated provider service: The contract includes home telephone service, even if you don't use it.
- ⚙️ LAN/SIP settings: The SIP server is enabled in the router menu or a port is allocated for phones.
- 🔄 Firmware failure: A software glitch after an update or a power surge keeps the service active.
- 🏠 Connected device: To the port
Phone 1the telephone is physically connected and the router detects its presence.
How to disable the icon through the router's web interface
To remove the annoying indicator, you need to access the device's controls. Open any browser on a computer or smartphone connected to the network and enter the router's IP address in the address bar. Standard addresses are 192.168.1.1, 192.168.0.1 or 192.168.10.1The exact address, as well as the login and password for entry, are usually indicated on a sticker located on the bottom of the device.
After logging in, you'll need to find the section responsible for phone settings. While interfaces vary from manufacturer to manufacturer, the logic remains similar. Look for the tabs with the following names: Application, VoIP, Telephony or Basic. In the menu ZTE often it's a tab Network → VoIP, and in interfaces Huawei - chapter Advanced → SIP SettingsYour task is to find the service status switch.
Inside the section, find the parameter called Enable VoIP, SIP Enable or Phone Service. Uncheck the box or move the toggle switch to the on position. Off/ DisableAfter this, be sure to click the button Save or Applyto save the changes. The router may restart network services, and the handset indicator should go out after a few seconds.
☑️ Service shutdown algorithm
In some cases, especially on provider-provided devices, access to these settings may be restricted. If you don't see the VoIP section or the settings are locked (gray button), this means the configuration is managed remotely by the operator. In this case, disabling the settings via the web interface is not possible, and you will need to either call technical support or use the more complex methods described below.
⚠️ Attention: Router interfaces are constantly being updated. The menu location may differ from that described depending on your device's firmware version. If you can't find the item you need, consult the official documentation from the manufacturer of your model.
Telephony settings for different router models
The shutdown procedure can vary significantly depending on the equipment manufacturer. Below is a table with approximate steps for popular models to help you navigate the menu more quickly.
| Router model | Path to settings | Parameter name | Action |
|---|---|---|---|
| ZTE F670 / F609 | Network → VoIP → Basic | Enable VoIP | Uncheck |
| Huawei HG8245H | Advanced → Voice → Basic Configuration | VoIP Enable | Disable |
| TP-Link Archer | Advanced → Telephony | VoIP Service | Off |
| Eltex NTU-RG-1402-GW | VoIP → Global | Service Status | Disabled |
On devices ZTE, which are often set by providers, the settings can be hidden deep in the menu. Sometimes you need to switch to "Expert" or "Advanced Mode," which is often protected by an additional password. The default passwords for accessing advanced settings are often admin, Zte521 or indicated on the sticker. Be careful: changing settings in Expert mode may result in loss of internet access if you affect VLAN or PPPoE parameters.
Routers Huawei have a more structured menu, but providers often block changing tab parameters VoiceIf the "Apply" button is inactive, try taking a screenshot of the current settings (especially SIP Server and Port), resetting the router using the button Reset and reconfigure the internet without linking a phone. However, this method requires knowledge of your network settings.
What if the menu is in English?
If your router is entirely in English and you're unsure of what you're doing, use a browser translator (like Google Translate). Right-click on a blank area of the page and select "Translate to Russian." This will help you accurately identify menu items such as "Registration Status" or "Line Key."
Resetting and reconfiguring the device
If you can't find a specific switch or the settings are blocked by your provider, the most radical and effective way to remove the handset icon is to completely reset the device to factory settings (Factory Reset). This method will return the router to its "out of the box" state, where the telephony function is usually disabled by default or not active until the first authorization.
To perform a reset, find the recessed hole marked on the router body. Reset or DefaultPlug the device into the power outlet, take a paperclip or toothpick, and press the button inside the hole. Hold it for 10-15 seconds until all the lights flash simultaneously or the router reboots. After this, the device will lose its provider settings, and you will have to set up the internet connection again.
When setting up for the first time after a reset, carefully follow the steps of the Quick Setup Wizard (Quick Setup). There's often a step called "Telephony Setup" or "Home Phone," where you need to uncheck the box. If you're using automatic setup via protocol TR-069, the router may redownload the provider profile along with the telephony service. In this case, it's best to configure the internet manually by selecting the connection type. PPPoE or Dynamic IP and entering the login/password from the agreement.
⚠️ Attention: Before resetting, make sure you know your internet connection type and your ISP login and password. Without this information, you will be unable to access the network after the reset.
After a reset and a clean internet setup without activating telephony, the handset icon is guaranteed to go out, as the relevant services won't be running. This is also a great way to refresh your router if it hasn't been rebooted in a while and is experiencing errors.
What to do if the indicator does not disappear
There are situations where all settings have been verified and the service is disabled, but the LED continues to glow dimly or blink. This could indicate a hardware failure or a stuck software logic in the indicator. In some budget router models, the LEDs are controlled directly by the chip, and disabling the function software does not always physically interrupt the indicator's power supply.
Try updating your router's firmware to the latest version. Manufacturers often release patches that fix interface bugs and indicator logic issues. Go to the manufacturer's official website, find your model in the support section, and download the latest firmware file. Download it from the section System Tools → Firmware Upgrade.
If this doesn't help, the router may be in call waiting mode due to an error on the provider's PBX. Call your provider's technical support and ask them to completely disable the "Home Phone" service in your personal account. Often, after deleting the service on the provider's server, the router receives a command to deactivate the module, and the indicator light goes out.
- 🔌 Power off: Unplug the router for 5-10 minutes. This will allow the capacitors to discharge and clear the memory of temporary errors.
- 🔧 Device replacement: If the indicator is lit due to a physical short circuit on the board, the only solution is to replace the router.
- 🛠️ Alternative firmware: For experienced users, it is possible to install alternative firmware (for example, OpenWrt), where you can completely reassign the functions of the LEDs.
As a last resort, if the indicator light simply glows and doesn't interfere with internet access, and you can't remove it, you can simply cover it with a small piece of opaque tape that matches the case. This is an old-fashioned method, but it effectively solves the problem of visual noise when software solutions fail.
Is it safe to completely turn off VoIP if your ISP provides a phone?
Yes, it's safe. Disabling the service in your router will simply stop transmitting a signal to your phone. You won't be able to receive or make calls, but your internet and TV will still work reliably. The only risk is that you might miss an important call if you don't notify your contacts about the phone number change.
Does the active tube indicator affect internet speed?
The lit indicator itself is just an LED and doesn't consume any bandwidth. However, a running VoIP service reserves a small amount of CPU time and can use QoS (Quality of Service) to prioritize voice packets. On modern routers, this impact is unnoticeable, but on older models, disabling unused services can slightly improve interface responsiveness.
Can the Phone port be used to connect a fax machine?
Technically, analog faxes can work over VoIP, but transmission quality is highly dependent on the codec and network stability. Voice compression protocols can distort fax signals. For reliable internet faxing, it's recommended to use the "Fax to Email" service or special ATA gateways with T.38 support, rather than the standard router port.