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. Audio: - Speakerphone: Yes - Voice codecs: G.722/G.723/G.726/G.729A/G.729B/OPUS/VAD Camera: - Front camera: No Design: - Handset type: Wired handset - Product colour: Black - Product type: IP Phone Display: - Backlight display: Yes - Display: LCD - Display diagonal: 2.48 - Display resolution: 132 x 64 - Touchscreen: Yes Network: - Bluetooth: No - Ethernet LAN: Yes - Ethernet LAN interface type: Gigabit Ethernet - Quality of Service (QoS) support: Yes - Wi-Fi: No Packaging content: - Mounting kit: Yes - Number of handles included: 1 Phone features: - Call forwarding: Yes - Call park: Yes - Call pick up: Yes - Call return: Yes - Call transfer: Yes - Call waiting: Yes - Caller ID: Yes - Conference call: Yes - Intercom: Yes - Lines quantity: 3 - Number of VoIP accounts: 6 - Phonebook capacity: 2000 Ports & interfaces: - DC-in jack: Yes - Ethernet LAN (RJ-45) ports: 2 - RJ-9 ports quantity: 2 Power: - AC adapter input voltage: 100 - 240 - AC adapter output voltage: 5 - Input frequency: 50-60 Vendor information: - Brand Name: Grandstream - Warranty: 1 Video: - Video call: Yes - Product.Details.Specifications.Level1: Network - Product.Details.Specifications.Level2: Wired Network - Product.Details.Specifications.Level3: IP Telephony / VOIP