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Grandstream Networks DP722. Product colour: Black,Grey, Handset type: Wireless handset, Headset connectivity: 3.5mm. Display: TFT, Display resolution: 128 x 160 pixels, Display diagonal: 4.57 cm (1.8"). Lines quantity: 10 lines. Voice codecs: G.711alaw,G.711ulaw,G.722,G.723.1,G.729A,G.729B,OPUS,iLBC. AC adapter input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Input current: 5 A
Display
-Touchscreen: N
-Display: TFT
-Display resolution: 128 x 160 pixels
-Display diagonal: 4.57 cm (1.8")
Audio
-Speakerphone: Y
-Voice codecs: G.711alaw,G.711ulaw,G.722,G.723.1,G.729A,G.729B,OPUS,iLBC
-Noise reduction: Y
-Automatic gain control: Y
Ports & interfaces
-USB 2.0 ports quantity: 1
-Headphone outputs: 1
Weight & dimensions
-Handset dimensions (WxDxH): 50 x 28.1 x 158 mm
-Handset weight: 110 g
-Package weight: 328 g
Power
-Power over Ethernet (PoE): N
-AC adapter input voltage: 100 - 240 V
-Input frequency: 50/60 Hz
-Input current: 5 A
-Battery type: AAA
-Number of batteries supported: 2
-Battery technology: Nickel-Metal Hydride (NiMH)
-Battery capacity: 800 mAh
-Standby time: 250 h
-Talk time: 20 h
Operational conditions
-Operating temperature (T-T): -10 - 50 °C
-Operating relative humidity (H-H): 10 - 90%
-Storage relative humidity (H-H): 10 - 90%
-Storage temperature (T-T): -20 - 60 °C
Networking
-Ethernet LAN: N
-Wi-Fi: N
-Bluetooth: N
Phone features
-Lines quantity: 10 lines
-Answering machine: Y
-Call waiting: Y
-Call hold: Y
-Call forwarding: Y
-Conference call: Y
-Call park: Y
-Call pick up: Y
-Call transfer: Y
-Message-waiting indicator (MWI): Y
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