IP phone Grandstream GRP2611G — 2-line carrier-grade VoIP with HD audio and PoE support

Grandstream GRP2611G is a carrier-grade 2-line IP phone engineered for business VoIP deployments. It provides full-duplex HD audio for clear voice communication and supports Power over Ethernet (PoE) for simplified installation without a separate power adapter. The GRP2611G includes essential telephony functions for reliable call handling and is designed for durable daily use in reception desks, offices and shared workspaces.

Advantages

The GRP2611G combines a compact physical design with carrier-grade reliability, delivering consistent voice quality and interoperability with SIP-based PBX systems. Integrated HD speakerphone and handset deliver improved audio clarity, while PoE support reduces cabling and power management complexity. The device offers robust call handling features and straightforward provisioning options for fast deployment at scale.

Suitable for

• Reception desks and front-office attendants
• Individual office workstations and shared desks
• Small and medium business VoIP phone systems
• Environments requiring simple deployment and central provisioning

Key specifications

• Lines: 2 SIP accounts (two-line operation)
• Audio: Full-duplex HD audio with wideband codec support
• Connectivity: Ethernet with PoE support for power over network
• Display and controls: Backlit display and tactile buttons for call control
• Call features: Hold, transfer, three-way conferencing, call waiting and voicemail access
• Provisioning: Support for remote provisioning and centralized management
• Build: Compact desktop form factor suitable for high-density deployments

How to use

Connect the GRP2611G to a PoE-enabled Ethernet switch or use a compatible power supply if PoE is not available. Register the phone to your SIP-based PBX or hosted VoIP service using the account credentials provided by your administrator or service provider. Use the display and buttons to manage calls, access voicemail and configure basic settings; advanced configuration and firmware management can be handled through the central provisioning server or web administration interface.

Usage recommendations

Place the phone on a stable surface near an Ethernet drop with access to a PoE port for the cleanest installation. For best audio performance, position the unit away from major sources of electrical interference and keep firmware up to date to ensure interoperability and security.