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SIP Phone Global > Products > Line-up Comparison (Corded SIP Phone)

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  • Products
    • Corded SIP Phone
    • KX-UT670
    • KX-UT248
    • KX-UT136/133
    • KX-UT123/113
    • Cordless SIP Phone
    • Multi-Cell Station System
    • KX-UDT121/111
    • KX-UDS124
    • Single Base Unit System
    • KX-TGP550
    • KX-TGP500
    • Line-up Comparison
    • Corded SIP Phone
    • Cordless SIP Phone (Multi-Cell Station System)
    • Cordless SIP Phone (Single Base Unit System)
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Line-up Comparison Corded SIP Phone

Corded SIP PhoneCordless SIP Phone (Multi-Cell Station System)Cordless SIP Phone (Single Base Unit System)
KX-UT670 KX-UT248 KX-UT136 KX-UT133 KX-UT123 KX-UT113
Display
LCD Display 262,000 colors 4-level grayscale graphical Monochrome Graphical
LCD Size 7 inch
touch display
4.4 inch 242 x 109 pixels – 6 lines 242 x 55 pixels – 3 lines
LCD Contrast N/A 6 levels
LCD Backlight 15/Auto On/Auto/Off N/A
HD Video 720p N/A
Install Options
Desk Mount Tilt Yes – 2 positions N/A
Wall Mount KX-A434 (optional) KX-A433 (optional) KX-A432 (optional)
Power Adaptor KX-A422 (optional) KX-A239 (optional)
Audio Features
Handset, Speaker, Headset Volume 15 levels 8 levels (includes echo cancellation and distortion prevention)
Ringtones 32
Ringer Volume 7 levels + Off 6 levels + Off
Headset Port 2.5 mm
Electronic Hook Switch Control Port*1 3.5 mm N/A
Audio Codec G.711a-law /
G.711µ-law /
G.722 (wideband) /
G.729a
G.711a-law / G.711µ-law / G.722 (wideband) / G.729a / G.726 (32K)
HD Voice Yes
Speaker Phone Yes(Full Duplex) Yes
Keys
Programmable Keys 24
(4 pages of 6 keys)*2
24
(3 pages of 8 keys)*2
24*2 N/A
Software Features
Phone Book (Entries) Depends on memory 500 100
Call Log Entries 100 in + 100 out 30 incoming calls + 30 outgoing calls
Conferencing 3 parties (within terminal – multi-party dependent on server)
XML N/A Yes
Music on Hold Supplied by Host Service (PBX / SIP Server)
Memory 50 MB N/A
IP Features
SIP Accounts 6 4 2
SIP Compatibility RFC 3261 Standard SIP Server, Asterisk, Broadsoft, CommuniGate Pro, Panasonic SIP PBX
IP Version IPv4
DHCP Client Yes
DNS Yes
HTTP Yes
HTTPS Yes
SNTP Client Yes
VLAN (802.1q) Yes
QoS (DiffServ) Yes
Configuration
Plug & Play
Configuration
Server based configuration, TR-069*3
Manual
Configuration
Internal web Configurator, Local (LCD based) network configuration
Interface
Ethernet Ports 2 1
Ethernet Interface 10/100/1000 Mbps 10/100 Mbps
PoE (Power over Ethernet) Yes
Bluetooth Optional 1 (Bluetooth wireless technology 2.0) N/A
USB 1
(USB 2.0 Host)
N/A
SD Card Slot SDXC Memory Card / SDHC Memory Card / SD Memory Card N/A
Power
Consumption

PoE
Standby: 5.2W (Backlight OFF)
Talking: 7.0W
Max: 12.9W

AC Adaptor
Standby: 4.6W (Backlight OFF)
Talking: 6.2W
Max: 11.5 W

PoE
Stand-by: approx. 3.5 W (ECO mode off), 2.3 W (ECO mode on)
Talking: 4.1 W (ECO mode off), 2.5 W (ECO mode on)
Max: 7.5 W

AC Adaptor
Stand-by: 4.0 W (ECO mode off), 2.2 W (ECO mode on)
Talking: 4.5 W (ECO mode off), 2.7 W (ECO mode on)
Max: 7.5 W

PoE
Standby: 1.8 W (ECO mode off), 1.3 W (ECO mode on)
Talking: 2 W (ECO mode off), 1.5 W (ECO mode on)
Max: 6 W

AC Adaptor
Standby: 1.6 W (ECO mode off), 1 W (ECO mode on)
Talking: 2 W (ECO mode off), 1.5 W (ECO mode on)
Max: 6 W

Operating
Environment
0 °C - 40 °C (32 °F - 104 °F)
Dimensions
(Width × Depth x Height;
handset on
cradle, stand
attached)
High position:
270 mm x 180 mm x 220 mm
Low position:
270 mm x 192 mm x 170 mm
High position:
267 mm x 170 mm x 180 mm
Low position:
267 mm x 187 mm x 155 mm
205 mm x 160 mm x 170 mm
Weight (with
handset,
handset cord
and stand)
1300 g 1130 g 1120 g 1120 g 870 g 860 g

*1 Plantronics headsets can be used with these units. Not all headsets are guaranteed to operate.
*2 Requires setting at least 2 flexible buttons as a DN button for calling or receiving the phone.
*3 Not available on the KX-UT670.