Grandstream GAC 2500 IP AUDIO CONFERENCE PHONE

Certification: FCC: Part 15 (CFR 47) Class B UL 60950 CE : EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1, EN62479, RoHS RCM: AS/ACIF S004 AS/NZS CISPR22/24 AS/NZS 60950 AS/NZS 4268 | Display resolution: 800 x 480 pixels | Product colour: Black | Call forwarding: Yes | USB 2.0 ports quantity: 1 | Touchscreen: Yes | Input frequency: 50 - 60 Hz | Ethernet LAN interface type: Gigabit Ethernet | Phonebook capacity: 2000 entries | Operating temperature (T-T): 0 - 40 °C | Conference call: Yes | Call hold: Yes | Lines quantity: 6 lines | Redialing: Yes | Storage temperature (T-T): -10 - 60 °C | Ethernet cable: Yes | Package weight: 2.35 kg | Full duplex: Yes | Wi-Fi standards: 802.11b | Quality of Service (QoS) support: Yes | Display diagonal: 10.9 cm (4.3") | Compatible memory cards: SD | Ethernet LAN: Yes | Speakerphone: Yes | Power over Ethernet (PoE): Yes | Voice codecs: G.711a | Voice codecs: G.726 | Dynamic range: 86 dB | AC adapter input voltage: 100 - 240 V | Wi-Fi: Yes | Voice codecs: G.722.1C | Height: 60 mm | Product type: IP Phone | Bluetooth: Yes | Depth: 285 mm | Voice codecs: G.722 | Operating relative humidity (H-H): 10 - 90% | Bluetooth version: 4.0 | Manual: Yes | Width: 280 mm | DHCP client: Yes | Call park: Yes | Front camera: No | Voice codecs: iLBC | Voice codecs: G.722.1 | Harmonized System (HS) code: 85171800 | Ethernet LAN data rates: 10,100,1000 Mbit/s | Call waiting: Yes | Wi-Fi standards: 802.11g | AC adapter included: Yes | AC adapter output voltage: 12 V | Skype: Yes | Weight: 1.34 kg | Security algorithms: HTTPS | Security algorithms: SRTP | Number of VoIP accounts: 6 | Wi-Fi standards: Wi-Fi 4 (802.11n) | Call pick up: Yes | Power consumption (typical): 24 W | AC adapter output current: 2 A | Number of microphones: 3 | Display: LCD | Volume control: Digital | Operating system version: 4.4 | Operating system installed: Android