Grandstream GRP2604P Essential IP Phone – 6 SIP, Gigabit PoE, BLF Keys

Grandstream GRP2604P

Grandstream GRP2604P Business IP Phone

Grandstream GRP2604P Essential IP Phone is a professional VoIP desk phone designed for businesses that need reliable communication, clear audio, flexible call management, and simple network deployment. It is part of Grandstream’s carrier-grade GRP series and is suitable for offices, reception areas, customer service teams, sales departments, and growing companies that depend on stable daily voice communication.

The device supports up to 6 SIP accounts and 3 lines, allowing users to manage several extensions and active calls from one desk phone. Users can answer, hold, transfer, mute, or switch between calls through an organized interface that helps improve productivity and reduce unnecessary delays.

Clear Display and Easy Operation

The phone includes a 2.7-inch backlit LCD screen with a resolution of 132 × 64 pixels. Its backlight improves visibility in offices with different lighting conditions, while the practical keypad layout allows users to access common functions quickly without complicated navigation.

Eight programmable BLF keys provide convenient monitoring and control of important extensions. These keys can be configured for Busy Lamp Field, speed dial, call pickup, or other frequently used functions. This makes the phone especially useful for receptionists, supervisors, and team members who need to check colleague availability or transfer calls efficiently.

Gigabit Networking and PoE Support

The Grandstream GRP2604P Essential IP Phone features two Gigabit Ethernet ports for fast and stable network connectivity. One port connects the phone to the business network, while the second can provide a network connection to a desktop computer. This design helps reduce the number of required network cables and makes installation cleaner and more organized.

Integrated Power over Ethernet support allows both electrical power and network data to be delivered through a single Ethernet cable when the phone is connected to a compatible PoE switch or injector. The model is supplied without a power adapter, so customers planning a non-PoE installation should purchase a compatible power supply separately.

Professional Voice Quality

Advanced HD audio technologies help deliver natural and understandable conversations. The handset and speakerphone are designed for business calls, online meetings, internal discussions, and customer support operations. Noise reduction and echo control technologies help limit distracting background sounds, improving communication in busy offices and shared workspaces.

The phone also supports full-duplex speakerphone operation, enabling users to participate in hands-free conversations more naturally.

Secure and Centralized Management

Grandstream designed the GRP series for easy mass deployment and centralized administration. IT teams can use Grandstream Device Management System to provision, configure, monitor, and update supported devices remotely. This is valuable for organizations operating multiple phones across departments, floors, branches, or remote offices.

Central management reduces manual configuration time and makes it easier to maintain consistent settings across the company’s telephone system.

Key Features

• Supports 6 SIP accounts and 3 lines
• 2.7-inch 132 × 64 backlit LCD display
• Eight programmable BLF keys
• Two Gigabit Ethernet network ports
• Integrated Power over Ethernet support
• HD audio for clear business conversations
• Full-duplex hands-free speakerphone
• Remote provisioning and centralized management
• Compatible with standard SIP-based platforms
• Power supply is not included

Ideal Business Communication Solution

The Grandstream GRP2604P Essential IP Phone combines multiple SIP accounts, programmable keys, Gigabit connectivity, PoE installation, and dependable voice quality in one practical device. It is an excellent option for businesses upgrading from traditional telephone systems or expanding an existing VoIP network. Its professional features, easy management, and scalable design make it suitable for small businesses, corporate offices, call centers, hotels, clinics, educational organizations, and other workplaces.

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For further technical details and manufacturer information, visit the

official Grandstream carrier-grade IP phones page
.