对比
LCD(screen)
-
2.3”,128x64,B&W
-
2.3”128x64,B&W
-
2.4”, 128x64,B&W
-
3.5”,320x240,Color
-
3.5”, 320x240,Color
-
5”,800x480,color,Touch Screen
LCD Blacklit
-
No
-
Yes
-
Yes
-
Yes
-
Yes
-
Yes
Adjustable Foot
-
No
-
No
-
No
-
Yes
-
Yes
-
Yes
contextual Keys
-
2x3
-
2x3
-
2x3
-
2x5
-
2x5
-
N/A
POE
-
Class 1
-
Class 1
-
Class 1
-
Class 2
-
Class 2
-
Class 2
Ethernet Port
-
10/100M x 2
-
10/100/1000M x2
-
10/100/1000M x2
-
10/100/1000M x2
-
10/100/1000M x2
-
10/100/1000M x2
Expansion Module Magnetic Keyboard
-
NO
-
NO
-
NO
-
10/40/Smart Add-On
ALPHABETIC Keyboard
-
10/40/Smart Add-On
ALPHABETIC Keyboard
-
40 Keys/Smart Add-on
ALPHABETIC Keyboard
Bluetooth
-
NO
-
NO
-
NO
-
NO
-
Yes
-
Yes
Line(SIP Account)
-
2
-
2
-
2
-
4
-
4
-
4
Wideband Codec
-
Yes
-
Yes
-
Yes
-
Yes
-
Yes
-
Yes
OPUS Codec
-
No
-
No
-
No
-
Yes
-
Yes
-
Yes
VPN
-
IPSec/OpenVPN
-
IPSec/OpenVPN
-
IPSec/OpenVPN
-
IPSec/OpenVPN
-
IPSec/OpenVPN
-
IPSec/OpenVPN
Contact/Call log
-
1000 records
-
1000 records
-
1000 records
-
1000 records
-
1000 records
-
1000 records
Security
-
SIP TLS ,SRTP,802.1x,AES-256
-
SIP TLS ,SRTP,802.1x,AES-256
-
SIP TLS ,SRTP,802.1x,AES-256
-
SIP TLS ,SRTP,802.1x,AES-256
-
SIP TLS ,SRTP,802.1x,AES-256
-
SIP TLS ,SRTP,802.1x,AES-256
Provisioning
-
HTTP/HTTPS,TR069
-
HTTP/HTTPS,TR069
-
HTTP/HTTPS,TR069
-
HTTP/HTTPS,TR069
-
HTTP/HTTPS,TR069
-
HTTP/HTTPS,TR069