A Grandstream IP phone, also known as a VoIP phone, allows users to make phone calls over the internet instead of traditional telephone lines. These devices use Voice over Internet Protocol (VoIP) technology to transmit voice data over IP networks, such as the internet, making them a top choice for anyone seeking the best IP phone for reliable, cost-effective communication.
IP phones are designed to look and operate like traditional desk phones but connect through a network rather than a standard phone line. They typically feature an Ethernet port for network connectivity and often include user-friendly features such as HD audio, color display screens, speakerphones, and programmable soft keys for quick access to frequently used functions.
By switching to Grandstream IP phones, users can benefit from lower long-distance and international calling costs, enhanced call quality, and advanced communication features.
Ideal for businesses of all sizes, Grandstream phones are widely used in offices, call centers, and remote work setups where reliable and cost-effective communication is essential.
6 Best IP Phones – Features & Benefits
Whether you’re running a business, working remotely, or managing a call center. IP phones, also known as VoIP phones, have become essential tools by offering high-quality voice calls over the internet, replacing traditional phone systems with smarter, more cost-effective solutions. In this guide, we’ll explore six of the best IP phones available, highlighting their key features and benefits to help you choose the right device for your communication needs.
Professional IP Phones – GRP2610(P)
The GRP2610(P) is a powerful, feature-rich 2-line carrier-grade IP phone from Grandstream, engineered for high-volume deployment and simplified management. Built with zero-touch provisioning, the GRP2610(P) enables effortless mass deployment—making it an ideal choice for service providers, enterprises, and IT teams managing large-scale installations.
This model is fully supported by Grandstream’s Device Management System (GDMS), a centralized cloud-based platform that allows for easy configuration, monitoring, and troubleshooting of devices from anywhere, streamlining IT operations and reducing on-site maintenance costs.
Features & Benefits
- Supports 2 SIP accounts and 2 multi-purpose line keys
- Swappable faceplate to allow for easy logo customization
- Equipped with noise shield technology to minimize background noise
- Supported by GDMS which provides a centralized interface to configure, provision, manage, and monitor
- HD audio supporting all major codecs, including wideband codecs G.722 and Opus
- Up to 8 digital BLF Keys
- Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
- Supports 5-way audio conferencing for easy conference calls
Hotel Phones – GHP630(W) & GHP631(W)
The GHP630(W) and GHP631(W) are compact yet powerful IP phones designed for hospitality and business environments. Considered among the best IP phones, they feature an HD speaker on the handset for crystal-clear audio, support 2 SIP accounts/lines, and offer 10 speed dial keys along with 6 context-sensitive soft keys for streamlined call management.
These models come with integrated dual-band Wi-Fi 6 for faster, more reliable wireless connectivity. These devices are ideal for hotels, hospitals, and offices, offering flexibility, ease of use, and exceptional voice quality.
Features & Benefits
- 2 SIP Accounts, 2 Lines
- GDMS online device management and provisioning
- 3-way audio conferencing for easy conference calls
- Integrated dual-band 2.4GHz & 5GHz 802.11 a/b/g/n/ac/ax Wi-Fi 6 (GHP630W & GHP631W only)
- Includes one 100Mbps network port with PoE
- USB Type-C charging port for modern smart phone charging
- Hearing Aid Compatibility (HAC)
- Enterprise-level protection including secure boot
DECT Cordless – DP735
The DP735 is a ruggedized DECT cordless IP phone designed to bring seamless mobility to your VoIP network, making it one of the best IP phones for businesses, warehouses, retail environments, and even residential settings. Supported by Grandstream’s DP750, DP752, and DP755 DECT VoIP base stations, it offers reliable coverage, HD audio quality, and secure communication.
With features like push-to-talk, extended battery life, and noise reduction technology, the DP735 combines robust durability with high-performance telephony, ensuring crystal-clear voice calls even in demanding environments.
Features & Benefits
- Supports a range of up to 400 meters outdoors (with DP755) and 50 meters indoors
- 2.4 inch (240×320) color TFT LCD with 3 programmable soft keys
- Offers 65-hour talk time and 650-hour standby time
- Supports up to 20 SIP accounts and 20 lines per handset as well as 3-way conferencing
- DECT authentication & encryption technology to protect calls & account
- Dedicated push-to-talk button; built-in proximity and accelerometer sensors
- Automated provisioning options include TR-069 and XML config files
- Use with Grandstream’s UCM series of IP PBXs for Zero Config provisioning
- HD audio to maximize audio quality and clarity; full duplex speakerphone
- Ruggedized design, IP67 Rated-Water-proof, dust-proof, cleaning
- chemical resistant, antimicrobial casing, drop safe from 2.5m
WiFi Cordless – WP856
The WP856 runs on Android 13 and is certified with Google Mobile Services, ensuring seamless access to essential apps. As one of the best IP phones, it features integrated dual-band Wi-Fi 6 for faster, more reliable connectivity.
A built-in scanner supports both 1D and 2D barcodes, while NFC capability allows for quick and secure data exchange. With a 5.5-inch high-definition touchscreen and an impressive talk-time of up to 20 hours, the WP856 is ideal for mobile professionals seeking productivity, durability, and efficient real-time communication on the go.
Features & Benefits
- Built-in scanner for scanning 1D and 2D barcodes
- Supports up to 6 SIP accounts and 6 lines
- HD voice with advanced Acoustic Echo Cancellation & Noise Shield Technology
- 5.5 inch HD multi-touch capacitive touch screen with 2.5D Corning 3rd generation glass
- A rechargeable 5000mAh battery provides up to 20 hours talk-time and 200 hours standby, USB Type-C port, supports fast charging
- Dual-band Wi-Fi 6 with an advanced antenna design and fast roaming support
- IP65-rated waterproof and dustproof, drop-safe from up to 1.5 meter height
- Runs Android version 13, certified with Google Mobile Services, access to Google Play Store, supports custom Android apps
IP Video Phones – GXV3350
The GXV3350 IP Video Phone for Android is considered one of the best IP phones, offering a powerful all-in-one communication device that combines a 16-line IP video phone with a multi-platform video conferencing solution and the versatility of an Android tablet.
It offers seamless voice and video calling, access to thousands of Android apps, and advanced features like HD audio, a large touch screen, Bluetooth, and Wi-Fi support. Ideal for professionals and executives, the GXV3350 enhances productivity, simplifies communication, and delivers a unified, high-quality user experience.
Features & Benefits
- 16 lines with up to 16 SIP accounts
- Built-in 1 mega-pixel CMOS tiltable camera for video calling with privacy wheel
- Runs on the Android 7.0 operating system
- Built-in Bluetooth for syncing with mobile devices and connecting Bluetooth headsets
- Dual-switched auto-sensing 10/100/1000Mbps network ports
- Integrated dualband Wi-Fi (2.4GHz & 5GHz)
- Built-in PoE/PoE+ for power and network connections
- Dual-mic HD speakerphone with noise reduction, advanced echo cancellation & excellent doubletalk performance
- 4-core 1.3GHz ARM Cortex A53 processor with 2GB RAM and 8GB eMMC Flash
- 5.0” (1280×720) capacitive 5-point touch screen HD TFT LCD
- Peripherals include HDMI-out, USB, headset jack, EHS
- 6-way audio conferencing & 3-way 720p 30fps HD video conferencing capability
WiFi Cordless – WP836
The Grandstream WP836 is a ruggedized cordless WiFi IP phone designed for a wide range of enterprise and vertical market applications, including offices, retail, logistics, healthcare, security, and more. Known as one of the best IP phones on the market, the WP836 combines a sleek design, user-friendly interface, and customizable features to deliver enhanced mobility and flexibility for modern voice solutions.
It supports seamless roaming, HD audio, and advanced security protocols, making it ideal for dynamic work environments. Its long battery life and durable build ensure reliable communication, even in demanding conditions.
Features & Benefits
- Dual-band Wi-Fi 6 with efficient antenna design and advanced roaming support
- 3 SIP accounts, 3 lines, 4-way voice conferencing
- HD voice & dual MIC design with AEC, Noise Shield Technology, and AI Technology
- Integrated Bluetooth to connect headsets, Type C USB port (fast charging)
- Rechargeable 3000mAh battery, 10-hour talk time, 240-hour standby
- Configurable button for push-to-talk
- Alarm functions include: push-button, man-down, no-movement, running, ambient-sound
- IP69K-rated waterproof, dustproof, cleaning chemical resistant, antibacterial casing
Conclusion
Choosing the best IP phone can significantly enhance communication efficiency, reduce operational costs, and provide greater flexibility for any organization or individual. The six IP phones highlighted in this guide each offer unique features tailored to various needs—from high-definition audio and advanced security to seamless mobility and intuitive interfaces.
Whether you’re upgrading your office setup or expanding your remote workforce, investing in the right VoIP solution ensures you stay connected with clarity, reliability, and convenience.