Best 2-Line VoIP Phones of 2025

The Grandstream GXP1625 is a versatile VoIP phone designed for efficient communication. Its large 2.9-inch backlit display ensures that you can easily read information, even in low light. With two lines and two SIP accounts, you can manage multiple calls simultaneously, enhancing your productivity. The HD audio quality provides crystal-clear sound during conversations, while the full-duplex speakerphone with echo cancellation allows for hands-free operation without interruptions. Additionally, the extensive phonebook capacity lets you store up to 500 contacts, making it easy to keep your important numbers at your fingertips.

The Polycom IP 335 Phone offers a high-resolution, backlit graphical display that enhances visibility, making it easy for you to read incoming calls and messages. With Polycom's HD Voice technology, you can enjoy crystal-clear audio quality, ensuring that every conversation is smooth and professional. The phone also supports interoperability with various IP PBX and Softswitch platforms, allowing you to integrate it seamlessly into your existing communication system. Additionally, the built-in Power over Ethernet (PoE) support simplifies installation, eliminating the need for extra power cables and providing a clutter-free workspace.

The Polycom IP 335 Phone is a certified refurbished model that delivers high-quality audio for your VoIP needs. With its advanced audio technology, you can enjoy clear conversations, making it ideal for business settings. It supports two lines, allowing you to handle multiple calls seamlessly, which enhances productivity. The easy-to-read graphical LCD display provides essential call information at a glance. Additionally, the full-duplex hands-free speakerphone feature allows for convenient, hands-free communication, letting you multitask effectively while on a call.

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 Grandstream GXP1620 is an ideal IP phone for small to medium businesses. It features 2 dual-color line keys, 3-way conference, and 3 XML programmable context-sensitive soft keys. The HD wideband audio and full-duplex hands-free speakerphone with advanced acoustic echo cancellation provide excellent double-talk performance. With a large phonebook and call history, the phone can store up to 500 contacts and 200 records. The 132x48 pixel backlit graphical LCD display makes viewing easy. The phone also comes with advanced security protection and media access control.

The Yealink T21P E2 IP Phone is a reliable and cost-effective VoIP phone that comes with a 2.3-inch graphical display and dual-port 10/100 Ethernet. This phone also features a 2 x 16 line LCD and offers convenient features such as call hold, call waiting, call transfer, call forward, caller ID, call list, DND, redial, flash, and 3-way conference. The two-port 10/100M Ethernet switch allows you to connect your computer to the same network as your phone, reducing the need for additional cabling. The Yealink IP Phone is the perfect solution for small to medium-sized businesses that require a dependable and easy-to-use phone system.

The Polycom VVX 201 is a reliable entry-level VoIP phone designed to enhance your communication experience. With HD sound quality, you can enjoy clear conversations, making it perfect for both personal and professional use. It features two Ethernet ports, allowing you to connect to multiple networks easily. This Certified Refurbished product ensures that you receive a phone that looks and functions like new, complete with a minimum 90-day warranty for peace of mind. You’ll appreciate the convenience of having a simple yet effective communication tool at your disposal.

The Sangoma P310 Phone is designed to enhance your communication experience with its advanced features. It offers two line appearance keys, allowing you to manage multiple calls easily. The 2.4-inch color display provides clear visuals, making it simple to navigate through your options. With high-definition call quality, you can enjoy crisp and clear conversations. Additionally, the phone supports Power over Ethernet (POE), which simplifies installation by eliminating the need for separate power cables. These features combine to create a user-friendly phone that meets your business communication needs.

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 Polycom VVX 150 is designed to elevate your communication experience with its exceptional HD audio quality, allowing you to catch every detail during conversations. Its 2.5-inch backlit monochrome LCD display provides clear visual information for easy access to call details. With two Ethernet ports, you can connect multiple devices seamlessly. Additionally, it integrates with over 60 major call control platforms, making it versatile for various business environments. This phone is not just efficient; it also simplifies administration with a web-based configuration tool, ensuring effortless upgrades and maintenance throughout its lifetime.