Grandstream GRP2604P 3-Line Essential IP Phone

The Grandstream GRP2604P is a feature-rich, carrier-grade IP phone designed for professional environments requiring reliable voice communication. Supporting up to three active lines and six SIP accounts, it offers a user-friendly interface with a 2.7-inch backlit graphical LCD display. The device is equipped with integrated Power over Ethernet (PoE), simplifying installation by reducing the need for separate power adapters.

Key Features

Multi-Line Support

• 3 active lines and 6 SIP accounts allow for efficient call management and flexibility in handling multiple calls simultaneously.

High-Definition Audio

• Full-duplex speakerphone and HD handset audio ensure clear and natural voice communication.

Integrated PoE

• Built-in Power over Ethernet (PoE) support simplifies deployment by delivering power and data over a single Ethernet cable.

Advanced Telephony Features

• Supports 5-way conferencing, call park, call pickup, shared-call-appearance (SCA), and bridged-line-appearance (BLA) for enhanced call handling capabilities.

Security and Provisioning

• Features secure boot, dual firmware images, and encrypted data storage to protect against unauthorized access and ensure device integrity.

• Compatible with GDMS (Grandstream Device Management System) for centralized configuration, provisioning, and management.

Customization and Branding

• Swappable faceplate allows for easy customization with company logos and branding.

Technical Specifications

• Display: 2.7-inch (132×64) backlit graphical LCD

• Ethernet Ports: Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE (IEEE 802.3af)

• Audio Codecs: Supports G.729A/B, G.711μ/a-law, G.726, G.722 (wideband), G.723, iLBC, OPUS

• Voice Features: VAD, AEC, CNG, PLC, AGC, AJB

• Headset Support: RJ9 headset jack with Electronic Hook Switch (EHS) support for Plantronics, Jabra, and Sennheiser headsets

• Function Keys: 3 line keys with dual-color LED, 4 XML programmable context-sensitive soft keys, 5 navigation/menu keys, 10 BLF/speed-dial keys, 8 dedicated function keys (MESSAGE, TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+/-)

• Provisioning: Firmware upgrade via FTP/TFTP/HTTP/HTTPS, mass provisioning using GDMS/TR-069 or AES encrypted XML configuration file

• Power Supply: Integrated PoE (IEEE 802.3af) or 5V DC/600mA adapter (sold separately)

• Operating Temperature: 0°C to 40°C

• Storage Temperature: -10°C to 60°C

• Humidity: 10% to 90% non-condensing

• Dimensions: 214mm (L) x 206mm (W) x 68mm (H)

• Weight: 790g (unit), 1100g (package)