Best 4-Line VoIP Phones of 2025

The Grandstream GRP2612W is a carrier-grade VoIP phone with WiFi capabilities. It features 4 dual-color line keys that can be programmed as up to 16 provisionable BLF/fast-dial keys, a 2.4” TFT color LCD with 4 programmable context-sensitive keys, and 3-way conference and Electronic Hook Switch (EHS) capabilities. The phone also has integrated dual-band WiFi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz) and integrated PoE (Power over Ethernet) functionality.

The Cisco SPA504G IP Phone is a SIP-based device designed for Small Business Pro Unified Communications 320. It has been tested for interoperability with equipment from voice over IP (VoIP) infrastructure leaders, ensuring service providers can offer competitive and feature-rich services. With hundreds of features and configurable service parameters, the phone caters to traditional business users while building on the advantages of IP telephony. The phone includes easy station moves and shared line appearances, along with standard encryption protocols for secure remote provisioning and unobtrusive in-service software upgrades.

The Cisco 8945 Phone offers a 5-inch high-resolution display, allowing you to enjoy clear visuals during calls. Its full-duplex speakerphone ensures that you can have conversations without interruptions, making it perfect for multitasking. With dedicated keys for functions like hold, transfer, and redial, you can easily manage calls with just a touch. Additionally, the tri-color LED indicator keeps you informed about call status at a glance, enhancing your communication experience. This phone is designed to work seamlessly with the Cisco Unified Communications System, making it a reliable choice for your office needs.

The Cisco 9841 Phone is designed to enhance your communication experience. With its corded setup, you can enjoy stable and reliable connectivity. The VoIP technology ensures high-quality voice calls, making it ideal for both personal and professional use. With four available phone lines, you can manage multiple calls effortlessly, increasing your productivity. Plus, the caller ID feature allows you to see who's calling, giving you the ability to prioritize important calls. The built-in speakerphone provides hands-free convenience, making it easier to multitask while on a call.

The Cisco 4-Line IP Phone is a Certified Refurbished product that offers the reliability and performance of a new phone. It supports multiple VoIP protocols and comes with an integrated Ethernet switch. With 2 x Ethernet ports, you can easily connect your phone to the network. The 128 x 64 monochrome LCD display with backlight provides clear visibility for caller ID, call waiting, and other call services. The Cisco 4-Line IP Phone also features voice mail, call forwarding, call transfer, and call hold, allowing you to manage your calls efficiently. With its sleek design and advanced features, this phone is a great choice for businesses and individuals looking for a reliable and convenient communication solution.

The Grandstream GXP2140 is designed for users who handle a high volume of calls. Its vibrant 4.3-inch color display makes it easy for you to navigate through calls and settings. With four lines and five programmable soft keys, you can efficiently manage multiple calls at once. The phone also features HD audio quality, ensuring that your conversations are clear and professional. Additionally, built-in Bluetooth connectivity allows you to connect to other devices seamlessly, enhancing your communication experience.

The Grandstream VoIP Phone is designed to enhance your communication experience. With support for two lines and four SIP accounts, you can manage multiple calls effortlessly. The phone features a customizable faceplate, allowing you to showcase your brand or personal touch easily. Security is a priority, as it includes enterprise-level protection measures like secure boot and encrypted data storage, ensuring your information stays safe. Additionally, the device supports five-way audio conferencing, making it simple to host or join group calls without hassle.

The Grandstream GXP2140 is designed for users who handle a high volume of calls. Its vibrant 4.3-inch color display enhances visibility, making it easier for you to manage your calls efficiently. With four lines and five programmable soft keys, you can customize your call controls to suit your workflow. The dual Gigabit PoE ports ensure you stay connected without cluttering your desk with extra cables. Additionally, the HD audio quality and integrated Bluetooth functionality provide a versatile calling experience that meets your professional needs.

The Polycom VVX 250 Phone is an entry-level VoIP desk phone designed for efficient communication. With four lines and high-definition audio, you can enjoy clear conversations. The 2.8-inch color display makes navigation easy, allowing you to manage calls effortlessly. It also features Acoustic Clarity Technology, ensuring that your calls sound natural and are compatible with hearing aids. Additionally, the phone supports Power over Ethernet, which simplifies installation by eliminating the need for separate power adapters. These features make the VVX 250 a practical choice for any business looking to enhance its communication capabilities.

The Poly VVX 411 12-Line VOIP Business Phone provides clear audio quality with Poly HD voice technology and Poly Acoustic fence technology, and ensures a noise-free environment. The phone has 12 line keys, 4 context-sensitive soft keys, and a backlit 3.5" color display. It features two high-speed 10/100/1000 Ethernet ports with an integrated switch and a USB port, which allows LAN connection for your phone with a passthrough connection to your PC. The phone supports the use of headsets for additional call, mute and volume controls.