Grandstream Networks DP750 Administration Manual page 23

Protocols/Standards Hearing Aid Compatibility (HAC) compliant
Voice Codecs G.722 codec for HD audio and G.726 codec for narrow band audio (G.711μ/a-law,
G.723.1, G.729A/B, iLBC and OPUS are supported via companion DECT base
station DP750), AEC, AGC, Ambient noise reduction
Telephony Features Hold, transfer, forward, 3-way conference, call park, call pickup, downloadable
phonebook, call waiting, call log, auto answer, click-to-dial, flexible dial plan, music
on hold
Sample Currency (pending)
Applications
HD Audio Yes, in both Handset and Speakerphone modes
Security DECT authentication & encryption
Multi-language English, Czech, German, Spanish, French, Hebrew, Italian, Netherlands,
Japanese, Chinese, Chinese simple, Polish, Russian, Chinese Simple, Chinese
Tradition, Korean, Portuguese, Slovakian, Serbian, Swedish, Turkish and Arabic.
Upgrade/ Software Upgrade Over-The-Air (SUOTA), handset provisioning Over-The-Air
Provisioning
Multiple Line Each handset may access up to 10 lines
Access
Power & Green Universal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB
Energy Efficiency connection; Rechargeable 800mAh Ni-MH Low Self-Discharge (LSD) AAA
batteries (250 hours of standby time and 20 hours of talk time)
Package Content Handset unit, universal power supply, charger cradle, belt clip, 2 batteries, Quick
Installation Guide
Dimensions Handset: 155 x 50 x 26 mm, charger cradle: 35 x 63.5 x 54 mm
(H x W x D)
Weight Handset: 138g, charger cradle: 71g, universal power supply: 50g; Package: 360g
Temperature Operation: -10º to 50ºC (14 to 122ºF); Charging: 0 to 45ºC (32 to 113ºF); Storage:
-20º to 60ºC (-4 to 140ºF); Humidity: 10% to 90% non-condensing
and Humidity
Compliance
FCC: Part 15D; 47 CFR 2.1093 & IEEE1528-2013, Part68, Part 15B
CE: EN60950; EN301489-1-6; EN301406; EN50360; EN62209-1
RCM: AS/NZS60950; AS/ACIF S004
ANATEL: #2288-16-9452
DP750/DP720 Administration Guide
Version 1.0.11.4
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