Part of the GRP series of Carrier-Grade IP Phones, the GRP2604 is an essential 3-line model designed with zerotouch provisioning for mass deployment and easy management. It features a sleek design and a suite of nextgeneration features including: 5-way voice conferencing to maximize productivity, integrated PoE (GRP2604P), full HD audio on both the speaker and handset to allow users to communicate with the utmost clarity, EHS support for Plantronics, Jabra, and Sennheiser headsets and multi-language support. The GRP series includes carrier-grade security features to provide enterprise-level sec urity, including secure boot, dual firmware images and encrypted data storage. For cloud provisioning and centralized management, the GRP2604 is supported by Grandstream’s Device Management System (GDMS), which provide s a centralized interface to configure, provision, manage and monitor deployments of Grandstream endpoints. Built for the needs of on-site or remote desktop workers and designed for easy deployment by enterprises, service providers and other highvolume markets, the GRP2604 offers an easy-to-use and easy-to-de ploy voice endpoint. More information: Power | AC adapter input voltage | 100 - 240 V |  | Input frequency | 50-60 Hz |  | AC adapter output voltage | 5 V | Ports & interfaces | Ethernet LAN (RJ-45) ports | 2 |  | RJ-9 ports quantity | 2 |  | DC-in jack | Yes | Network | Ethernet LAN | Yes |  | Ethernet LAN interface type | Gigabit Ethernet |  | Quality of Service (QoS) support | Yes | Audio | Speakerphone | Yes |  | Voice codecs | G.722, G.723, G.726, G.729A, G.729B, OPUS, VAD | Design | Product type | IP Phone |  | Product colour | Black |  | Handset type | Wired handset | Packaging content | Number of handles included | 1 pc(s) |  | Mounting kit | Yes | Video | Video call | Yes | Display | Touchscreen | Yes |  | Display | LCD |  | Display diagonal | 2.48 " |  | Display resolution | 132 x 64 pixels |  | Backlight display | Yes | Phone features | Lines quantity | 3 lines |  | Caller ID | Yes |  | Phonebook capacity | 2000 entries |  | Number of VoIP accounts | 6 |  | Call waiting | Yes |  | Intercom | Yes |  | Call forwarding | Yes |  | Conference call | Yes |  | Call park | Yes |  | Call pick up | Yes |  | Call return | Yes |  | Call transfer | Yes | Weight & dimensions | Width | 206 mm |  | Depth | 214 mm |  | Height | 68 mm |
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