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Grandstream DP722 – DECT Cordless IP Phone, HD Audio, Long Range, VoIP

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  • Supports up to 20 SIP accounts with DP755, or 10 with DP752/DP750
  • Wireless range of up to 350 meters outdoors (DP755/DP752), 50 meters indoors
  • Long battery life: 20 hours talk time, 250 hours standby
  • 1.8-inch color LCD (128x160 pixels) with 2 soft keys
  • Enables 3-way conference calls
  • Push-to-talk feature with configurable button
  • Seamless one-touch door access via Grandstream GDS devices
  • HD audio quality on speakerphone, handset, and headset jack
  • Over-the-air software and firmware updates
  • Designed for reliable, flexible communication solutions
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Brand: Grandstream
Datasheet
DP722.pdf
Technical Specifications – Grandstream DP722
ModelDP722
Device TypeDECT Cordless HD Handset (VoIP)
Air InterfaceDECT standard
Frequency Bands1880–1900 MHz (EU), 1920–1930 MHz (US), Brazil, Korea, Japan, Taiwan variants
Number of Channels10 (EU), 5 (US/Brazil/Japan), 3 (Korea), 8 (Taiwan)
Operating RangeUp to 350 m outdoors; 50 m indoors
Display1.8″ (128×160) color TFT LCD
Keys23 keys (incl. 2 soft keys, navigation, function keys)
Indicator LED3-color MWI LED
Headset Jack3.5 mm headset port
Voice CodecsG.722 (HD), G.726, G.711μ/a, G.723.1, G.729A/B, iLBC, OPUS (via base)
Audio FeaturesAEC, AGC, ambient noise reduction, advanced noise suppression
SIP Accounts / LinesUp to 20 SIP accounts & lines with DP755 base; up to 10 with DP752/DP750
Telephony FeaturesHold, transfer, forward, call park, pickup, waiting, 3-way conferencing, auto answer
SecurityDECT authentication & encryption
ProvisioningOTA firmware updates (SUOTA), provisioning via TR-069/XML
Battery800 mAh Ni-MH (LSD) AAA × 2 — ~20 h talk, ~250 h standby
PowerUniversal 100-240 V AC to 5 V DC adapter / Micro-USB charging
Dimensions (Handset)158 × 50 × 28.1 mm
Weight (Handset)≈ 110 g
Operating Temp.-10 °C to 50 °C
Storage Temp.-20 °C to 60 °C
Humidity10 % – 90 % non-condensing
Package IncludesHandset, power supply, charger cradle, belt clip, 2 batteries, Quick Start Guide