The Grandstream DP720 is a DECT cordless VoIP handset designed for businesses and residential users seeking mobility without compromising on telephony features. When paired with Grandstream’s DECT base stations (DP750, DP752, or DP755), it offers a comprehensive cordless VoIP solution.
🔧 Key Specifications
Telephony & SIP Support
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SIP Accounts: Supports up to 10 SIP accounts per handset.
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Concurrent Calls: Handles up to 2 simultaneous calls per handset.
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Base Station Compatibility:
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DP750: Supports up to 5 DP720 handsets.
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DP752: Supports up to 10 DP720 handsets.
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DP755: Supports up to 10 DP720 handsets.
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Audio & Telephony Features
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Audio Quality: HD audio on both the handset and speakerphone.
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Speakerphone: Full-duplex for clear communication.
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Audio Codecs: Supports G.722 and G.726; additional codecs like G.711μ/a-law, G.723.1, G.729A/B, iLBC, and Opus are available when paired with compatible base stations.
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Advanced Features: Includes call hold, transfer, forward, 3-way conferencing, call park, call pickup, do not disturb, message waiting indication, and multi-language support.
Display & Controls
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Screen: 1.8-inch (128×160) color TFT LCD.
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Navigation: 23 keys including 2 soft keys, 5 navigation/menu keys, and 4 dedicated function keys for SEND, END, SPEAKERPHONE, and MUTE.
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Indicators: 3-color Message Waiting Indicator (MWI) LED.
Connectivity & Range
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Headset Jack: 3.5mm for wired headsets.
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Charging Port: Micro-USB for charging and non-battery operation.
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Range:
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Indoor: Up to 50 meters.
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Outdoor:
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Up to 300 meters with DP750.
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Up to 350 meters with DP752.
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Up to 400 meters with DP755.
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Battery & Power
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Battery: Two rechargeable AAA Ni-MH batteries (800mAh).
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Talk Time: Up to 20 hours.
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Standby Time: Up to 250 hours.
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Charging: Via included charging cradle or micro-USB port.
Security & Provisioning
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Security: DECT authentication and encryption to protect calls and accounts.
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Provisioning: Supports automated provisioning via TR-069 and XML configuration files.
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Integration: Zero Config provisioning when used with Grandstream’s UCM series of IP PBXs.
Physical Features
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Dimensions: Approximately 7 x 5 x 2 inches.
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Weight: Approximately 9.6 ounces.
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Color: Black.
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Included Accessories: Handset, charging cradle, power supply, belt clip, two AAA batteries, and quick start guide.
