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Comparison voIP Phones

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Grandstream GRP2624
Snom D735
Cisco 7821
Cisco Unified 3905
Grandstream GXP1625
Grandstream DP722
Grandstream GRP2624Snom D735Cisco 7821Cisco Unified 3905Grandstream GXP1625Grandstream DP722
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Typelandline phonelandline phonelandline phonelandline phonelandline phonewireless phone
VoIP protocolsSIPSIPSIPSIPSIPSIP
Interfaces
Gigabit Ethernet
USB
Wi-Fi
Bluetooth
Headset jack
Gigabit Ethernet
USB
Headset jack
Ethernet
Headset jack
Ethernet
Ethernet
Headset jack
USB
Headset jack
Features
Features
Caller ID
Conference call
Speakerphone (speakerphone)
Echo cancellation
Voice activity detection
Comfort noise generation
Web interface
PoE support
NAT/NAPT support
Caller ID
Conference call
Speakerphone (speakerphone)
Voice activity detection
Comfort noise generation
Web interface
PoE support
Caller ID
Conference call
Speakerphone (speakerphone)
Web interface
PoE support
Caller ID
Conference call
Speakerphone (speakerphone)
Voice activity detection
Comfort noise generation
Web interface
PoE support
Caller ID
Conference call
Speakerphone (speakerphone)
Echo cancellation
Voice activity detection
Comfort noise generation
Web interface
PoE support
NAT/NAPT support
Caller ID
Conference call
Speakerphone (speakerphone)
Echo cancellation
Comfort noise generation
PoE support
Extra features
Number of telephone lines821210
Number of VoIP accounts412210
Phone book1000 numbers500 numbers
Display
Handset displaycolour
Base displaycolourcolourmonochromemonochromemonochrome
General
Standby time250 h
Talk Time20 h
Wall mounting
Headset dimensions (HxWxT)158x50x28 mm
Base dimensions (HxWxT)82x220x210 mm40x205x185 mm28x207x206 mm54x205x150 mm76x185x209 mm
Headset weight110 g
Base weight880 g660 g867 g594 g730 g
Color
Added to E-Catalogfebruary 2022march 2020june 2015june 2015june 2015august 2016