model |
ES620 |
ES410 |
ES330 |
ES320 |
ES292 |
ES290 | ES220 | ||
Telephones picture |
|
|
|
|
|
|
|
|
|
Parameter Download |
Complete parameters |
Complete parameters |
Complete parameters |
Complete parameters |
Complete parameters |
Complete parameters |
Complete parameters |
|
|
LCD display |
480 x 272 colour screen |
240 x 160 B&W screen |
132 x 64 B&W screen |
132 x 64 B&W screen |
132 x 64 B&W screen |
132 x 64 B&W screen |
132 x 48 B&W screen |
|
|
SIP Accounts |
8 |
4 |
3 | 2 | 3 | 2 | 2 |
|
|
DSS (programmable keys) |
— / 40 |
— |
— |
— |
— |
— |
— |
|
|
Extension module ESM18-LCD/ESM32 |
2 |
4 |
4 |
— |
— |
— |
— |
|
|
HD voice Codec / HD handle / HD speaker |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
G.711A/U iLBC |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Voice codec/HD G.722 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
G.726 G.729A/B |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Adjustable bracket |
√ |
√ |
— |
— |
— |
— |
— |
|
|
Auto Procision/TR069 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Speakerphones Full-duplex |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
BLF/BLA |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Speed dial |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Hot line |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
SMS |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
XML phonesbook |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Multi-language |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
VPN |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
VLAN/QoS |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Wall Mounted |
√ |
√ |
√ |
√ |
√ |
√ |
— |
|
|
POE |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|
|
Gigabit Ethernet |
√ |
— |
√ |
√ |
— |
— |
— |
|
|
USB Charging |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|