Grandstream Networks DP725 IP phone Grey 20 lines TFT

Certification: FCC, CE, RCM, IC | Input current: 5 A | Product colour: Grey | Power over Ethernet (PoE): No | Front camera: No | AC adapter included: Yes | Quick start guide: Yes | Package weight: 364 g | AC adapter input voltage: 100 - 240 V | Display: TFT | Firmware upgradeable: Yes | Operating temperature (T-T): -10 - 45 °C | Display resolution: 128 x 160 pixels | Bluetooth: No | Storage temperature (T-T): -20 - 60 °C | Voice codecs: AEC | Maximum outdoor range: 400 m | Maximum indoor range: 50 m | Product type: IP Phone | Charger: Yes | Voice codecs: G.729B | Voice codecs: OPUS | Handset dimensions (WxDxH): 135 x 49 x 15.5 mm | Touchscreen: No | Battery recharge time: 50 h | Answering machine: Yes | Headphone outputs: 1 | Speakerphone: Yes | Ethernet LAN: No | Input frequency: 50/60 Hz | Handset weight: 107 g | Hearing aid compatibility: Yes | Noise reduction: Yes | Display diagonal: 4.57 cm (1.8") | Call hold: Yes | Voice codecs: AGC | Voice codecs: G.722 | Voice codecs: G.726 | Operating relative humidity (H-H): 10 - 90% | Wi-Fi: No | Storage relative humidity (H-H): 10 - 90% | Conference call: Yes | Voice codecs: G.711u | Number of handles included: 1 pc(s) | Battery technology: Lithium-Ion (Li-Ion) | Voice codecs: iLBC | Voice codecs: G.729A | Automatic gain control: Yes | Call waiting: Yes | Warnings: Store away from water and moisture. | Warnings: Follow instructions for correct installation and use. | Warnings: Do not open the appliance, risk of electric shock. | Battery capacity: 1500 mAh | Lines quantity: 20 lines | Call pick up: Yes | Phonebook sharing: Yes | Call forwarding: Yes | Call park: Yes | Handset type: Wireless handset | Call transfer: Yes | Message-waiting indicator (MWI): Yes