Grandstream GRP2604 3-line Essential IP Phone

Grandstream GRP2604 3-Line Essential IP Phone is a carrier-grade VoIP desk phone designed for businesses that require reliable, secure, and scalable communication solutions. Supporting up to 3 SIP accounts and 6 line appearances, the GRP2604 delivers exceptional HD audio quality, integrated conferencing capabilities, and enterprise-grade security features. Built for mass deployment and simplified management through Grandstream Device Management System (GDMS), this professional IP phone is ideal for small businesses, enterprises, service providers, and remote office environments.

Product Features

Support for 3 SIP Accounts and 6 Line Appearances

The GRP2604 supports up to 3 SIP accounts and 6 virtual multi-purpose keys, enabling users to efficiently manage multiple calls, extensions, and communication workflows from a single device.

HD Audio Performance

Featuring HD voice technology on both the handset and full-duplex speakerphone, the GRP2604 delivers crystal-clear audio quality that enhances communication and improves user productivity.

5-Way Audio Conferencing

Built-in 5-way audio conferencing allows teams to collaborate seamlessly without the need for additional conferencing equipment or external services.

Dual Gigabit Ethernet Ports

The GRP2604 is equipped with dual Gigabit Ethernet ports, providing high-speed network connectivity and ensuring optimal performance in modern business networks.

Integrated Power over Ethernet (PoE)

PoE support enables the phone to receive power and network connectivity through a single Ethernet cable, simplifying installation and reducing infrastructure costs.

Noise Shield Technology

Grandstream’s Noise Shield technology helps minimize background noise and distractions, ensuring clear and professional voice communications in busy office environments.

Centralized Cloud Management

The GRP2604 is fully supported by Grandstream Device Management System (GDMS), allowing administrators to provision, configure, monitor, and manage devices from a centralized cloud platform.

Enterprise-Grade Security

Advanced security features including secure boot, dual firmware images, encrypted data storage, TLS encryption, and SRTP protection help safeguard communications and sensitive business data.

EHS Headset Compatibility

Electronic Hook Switch (EHS) support enables compatibility with supported wireless headsets, providing greater flexibility and mobility for users who spend significant time on calls.

Zero-Touch Provisioning

Automated provisioning capabilities simplify deployment and management, making the GRP2604 an excellent choice for large-scale installations and service provider deployments.

Product Specifications

• Model: Grandstream GRP2604
• Product Type: Essential Carrier-Grade IP Phone
• SIP Accounts: 3
• Line Appearances: 6 Virtual Multi-Purpose Keys
• Display Type: Backlit Color LCD Display
• Display Size: 2.8 Inches
• Ethernet Ports: Dual Gigabit Ethernet Ports
• Power over Ethernet: Yes (IEEE 802.3af PoE)
• HD Audio: Supported on Handset and Speakerphone
• Speakerphone: Full-Duplex HD Speakerphone
• Audio Conferencing: 5-Way Audio Conferencing
• Noise Reduction: Noise Shield Technology
• Security Features: Secure Boot, Dual Firmware Images, Encrypted Data Storage, TLS, SRTP
• Device Management: Grandstream Device Management System (GDMS)
• Headset Support: RJ9 Headset Port with EHS Support
• Phonebook Capacity: Up to 2,000 Contacts
• Call History Capacity: Up to 800 Records
• Provisioning: Zero-Touch Provisioning
• Network Protocols: SIP, TCP/IP, UDP, RTP, HTTPS, LDAP, IPv4, IPv6
• QoS Support: Layer 2 and Layer 3 QoS
• Wall Mountable: Yes
• Power Supply: PoE or Optional Power Adapter
• Operating Temperature: 0°C to 40°C
• Deployment: Small Businesses, Enterprises, Service Providers, Call Centers, and Remote Offices
• Cloud Management: Supported via GDMS
• Color: Black