Grandstream GRP2612G 4-line IP Phone

Grandstream GRP2612G 4-Line Gigabit IP Phone is a carrier-grade professional VoIP desk phone designed for businesses that require high-speed network performance, reliable voice communication, and scalable device management. Built for enterprise deployments, service providers, and busy office environments, the GRP2612G supports up to 4 SIP accounts, HD audio quality, dual Gigabit Ethernet ports, and centralized cloud provisioning through Grandstream Device Management System (GDMS). With enhanced performance networking, advanced security features, and flexible deployment options, it delivers a robust communication solution for modern IP telephony environments.

Product Features

4 SIP Accounts and 4 Line Keys

The GRP2612G supports up to 4 SIP accounts and 4 line appearances, allowing users to manage multiple extensions and calls efficiently from a single desktop device.

Dual Gigabit Ethernet Ports

Equipped with dual 10/100/1000 Mbps Gigabit Ethernet ports, the phone ensures fast and stable network performance, making it suitable for high-traffic business environments and modern enterprise networks.

HD Audio Quality

The device delivers high-definition voice through both handset and full-duplex speakerphone, supporting wideband codecs such as G.722 and Opus for clear and natural communication.

5-Way Audio Conferencing

Built-in 5-way audio conferencing enables teams to conduct group calls directly from the device without requiring external conferencing systems, improving collaboration efficiency.

Integrated PoE Support

Power over Ethernet support allows the phone to receive both power and network connectivity through a single cable, simplifying installation and reducing cabling requirements in office setups.

Customizable Faceplate Design

The GRP2612G includes a swappable faceplate, allowing organizations to customize branding or labeling for corporate deployment environments.

Centralized Cloud Management (GDMS)

The phone is fully integrated with Grandstream Device Management System (GDMS), enabling remote provisioning, monitoring, firmware upgrades, and centralized configuration across multiple devices and locations.

Enterprise-Grade Security

Security features include secure boot, dual firmware images, encrypted configuration files, TLS, and SRTP encryption to protect communications and prevent unauthorized access.

BLF and Virtual Keys Support

It supports up to 16 virtual BLF keys, allowing users to monitor extensions and manage call presence efficiently across teams.

Zero-Touch Provisioning

Designed for large-scale deployments, the GRP2612G supports zero-touch provisioning, enabling quick and automated setup without manual configuration on each device.

Product Specifications

• Model: Grandstream GRP2612G
• Product Type: 4-Line Gigabit Carrier-Grade IP Phone
• SIP Accounts: 4
• Line Keys: 4
• Display: 2.4-inch color LCD (320 × 240 resolution)
• Ethernet Ports: Dual 10/100/1000 Mbps Gigabit Ethernet
• PoE Support: Yes (integrated)
• Audio: HD handset and speakerphone
• Audio Codecs: G.722, Opus, and other standard VoIP codecs
• Conferencing: 5-way audio conferencing
• BLF Keys: Up to 16 virtual BLF keys
• Security: TLS, SRTP, secure boot, encrypted storage
• Device Management: GDMS cloud platform support
• Provisioning: Zero-touch provisioning
• Faceplate: Swappable/customizable design
• Deployment: Enterprises, SMBs, service providers, call centers