Grandstream GRP2604 3-Line Essential IP Phone with PoE, HD Audio, and 5-Way Conferencing

The Grandstream GRP2604 is an essential 3-line carrier-grade IP phone designed for mass deployment and easy management. Part of the GRP series, it features zero-touch provisioning for quick setup, 5-way voice conferencing for increased productivity, and integrated PoE (GRP2604P model). With HD audio on both the speaker and handset, EHS support for Plantronics, Jabra, and Sennheiser headsets, and multi-language support, the GRP2604 provides enterprise-level security with secure boot, dual firmware images, and encrypted data storage.

Key features include:

• 3 Line Keys with Up to 6 SIP Accounts: Manages multiple lines and calls efficiently.
• 2.7-Inch Backlit LCD Display: Provides a clear and easy-to-read interface.
• HD Audio: Delivers superior sound quality with full-duplex speakerphone and 3.5mm headset jack.
• Dual Gigabit Ethernet Ports with PoE: Ensures fast and reliable network connectivity (PoE on GRP2604P model).
• 5-Way Audio Conferencing: Facilitates effective group communication.
• Carrier-Grade Security: Includes secure boot, dual firmware images, and encrypted data storage.
• Supports EHS Headsets: Compatible with Plantronics, Jabra, and Sennheiser headsets.
• Noise Shield Technology: Minimizes background noise for clear communication.
• Swappable Faceplates: Allows for easy logo customization.

Specifications:

• Network Interfaces: Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports, integrated PoE (GRP2604P only).
• Display: 2.7-inch (132x64) backlit graphical LCD.
• Voice Codecs: Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G723, iLBC, Opus, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB.
• Telephony Features: Hold, transfer, forward, 5-way conference, call park, call pickup, SCA/BLA, downloadable phonebook (XML, LDAP, up to 2000 items), call waiting, call log (up to 800 records), auto dial, auto answer, click-to-dial, flexible dial plan, hot-desking, personalized music ringtones, music on hold, server redundancy, and fail-over.
• HD Audio: HD handset and speakerphone with support for wideband audio.
• Auxiliary Ports: RJ9 headset jack (allowing EHS with Plantronics, Jabra, and Sennheiser headsets).
• QoS: Layer 2 QoS (802.1Q, 802.1P) and Layer 3 QoS (ToS, DiffServ, MPLS).
• Security: User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control, secure boot.
• Power & Green Energy Efficiency: Universal power adapter included, integrated Power-over-Ethernet (802.3af), IEEE 802.3az Energy-Efficient Ethernet, max power consumption 3W (GRP2604/GRP2604W/GRP2604G) or 3.8W (PoE, GRP2604P/GRP2604W/GRP2604G).
• Dimensions: 214mm x 206mm x 68mm (with handset).
• Weight: 790g (unit), 1100g (package).