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SIP Phone Global > Products > KX-UDT121/111 > Specifications

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Cordless SIP Phone Multi-Cell Station System KX-UDT121/111 Product Information

  KX-UDT121 KX-UDT111
LCD Display Type 65,000-Color TFT
LCD Size 1.8 inch
LCD Contrast 6 levels
LCD Backlight Yes
LED Ringer/Charge
Audio Features
Handset, Speaker, Headset Volume 6 levels
Ringtones 27
Ringer Volume 6 levels + Off
Headset Port Yes (2.5 mm mini pin jack)
Headset Ringer Yes
Bluetooth Yes (Built-in) N/A
HD Voice (Wideband Voice) Yes
Noise Reduction / Advanced Voice Clarity Yes
SP PHONE Yes (Full Duplex)
US-DECT 1.92GHz - 1.93GHz
(for USA and Canada)
EU-DECT 1.88GHz - 1.90GHz Yes
DECT encryption Yes
Phone Features
Multiple registration support 4
SIP Accounts 2 per PS
Phone Book (Entries) 500
Call Log Entries 20 incoming calls + 20 outgoing calls
Redial Yes
Do Not Disturb Yes
Anonymous Call (CLIR) Yes
Anonymous Call Rejection Yes
Calling party name and number presentation (CLIP, CNIP) Yes
Call Rejection
(Registered number to call back)
Call Rejection
(Manual operation while incoming call)
DTMF dialing during call Yes
3-Party Conferencing Yes
Call Transfer Yes
Call Hold Yes
Call Forward Unconditional / User Busy /
No Answer
Call Waiting Yes
Message Waiting Indication Yes
Vibrate Ring Yes
Distinctive Ringing Yes
Firmware update via air Yes
Phone Book transfer via Bluetooth Yes (vCard)
Battery Life
Talk Up to 13 hours Up to 11 hours
Standby Up to 200 hours Up to 200 hours
Battery charge time 3 hours 7 hours
Charger Standby: 0.3 W
Max: 4.0 W
Standby: 0.3 W
Max: 2.0 W
Battery type Li-ion battery pack x 1 Ni-MH AAA battery x 2
Belt Clip Yes (Swivel type is included)
Strap Hole Yes
Wall mount (Charger) Yes
Operating Environment 0 ˚C - 40 ˚C (32 ˚F - 104 ˚F)
(Width x Depth x Height)
Handset 48.5 mm x 17.9 mm x 127.5 mm 48.2 mm x 25.4 mm x 146.3 mm
Handset on Charger 63.0 mm x 78.0 mm x 140.0 mm 71.9 mm x 71.3 mm x 159.7 mm
Weight*1 Handset 88 g 115 g
Handset + Charger 135 g 165 g

*1 Including Battery