Best 4-Line VoIP Phones of 2026
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4-Line VoIP phones are an excellent choice for businesses that require multiple lines for their communication needs. These phones are equipped with four lines, which allow for efficient call management and easy access to multiple extensions. They are designed to work with Voice over Internet Protocol (VoIP) technology, which means they use the internet to transmit voice and data instead of traditional phone lines. This makes them a cost-effective solution for businesses that want to reduce their phone bills while still maintaining reliable communication. 4-Line VoIP phones come in a variety of styles, from traditional desk phones to wireless models, and offer features such as speakerphone, call transfer, and caller ID.
At a Glance: Our Top Picks
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Top 5 4-Line VoIP Phones
Grandstream GRP2613 IP Phone
The Grandstream GRP2613 Phone is designed to handle multiple calls efficiently, supporting up to six lines and four SIP accounts, which lets you manage different numbers or extensions with ease. It features built-in Power over Ethernet (PoE), so you can power the phone through your network cable without needing a separate power adapter, simplifying your setup. The phone also offers customizable faceplates, allowing you to add your own logo or branding, making it perfect for businesses. Additionally, it includes noise shield technology that reduces background sounds, so your conversations stay clear and professional. These features make the GRP2613 a reliable and user-friendly choice for busy office environments.
Grandstream GRP2612W WiFi IP Phone
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.
Poly VVX 411 12-Line VOIP Business Phone
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.
Cisco SPA504G IP Phone
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.
Grandstream GRP2612P IP Phone
The Grandstream GRP2612P Phone is a reliable VoIP device designed for efficient communication. It supports up to four lines and SIP accounts, letting you manage multiple calls or extensions easily. The 2.4-inch color screen provides a clear and simple interface, helping you navigate calls and settings without hassle. With dual 10/100 Ethernet ports and built-in Power over Ethernet (PoE), you can connect to your network and power the device with a single cable, reducing clutter. This phone is a practical choice if you want a straightforward, multi-line communication tool for your office or home setup.
Frequently Asked Questions (FAQs)
1. What is a 4 line phone system?
A four-line phone system is a type of multiline business phone system that runs four analog (or landline) phone lines through your office. The lines can be internal or external.
2. How many lines can you have with VoIP?
VoIP Multi-Line Phone Systems Explained An office with 12 employees can easily get by with 4 or 5 lines! VoIP also allows users to attach multiple devices to a single line. That means you can make calls from any device using the same number.
3. Can VoIP phones be used as regular phones?
The good news is, you can definitely use a VoIP phone as a regular phone! Basically, VoIP phones work just like traditional phones. But instead of connecting through a telephone line, they connect through the internet.
During our 4-line voip phone research, we found 24 4-line voip phone products and shortlisted 5 quality products. We collected and analyzed 6,583 customer reviews through our big data system to write the 4-line voip phones list. We found that most customers choose 4-line voip phones with an average price of $52.21.
The 4-line voip phones are available for purchase. We have researched hundreds of brands and picked the top brands of 4-line voip phones, including Grandstream, Plantronics, Cisco. The seller of top 1 product has received honest feedback from 72 consumers with an average rating of 4.6.
Rebecca Cantu grew up in a family-owned retail store for home and kitchen products. She worked online and gave assistance to people to buy ideal products for their sweet home after graduating from Northwestern University with a marketing degree. She has been writing content for online shopping guides since 2011 with her professional knowledge and natural sensitivity of appliances.