| Model |
X305 Big Button IP Phone |
X7A Android Touch Screen IP Phone |
X7A Android IP Phone with Camera |
X7 Enterprise IP Phone |
X7C Enterprise IP Phone |
X210 High-end Enterprise IP Phone |
X4/G Enterprise IP Phone |
| Main Screen |
3.5-inch 320X240 color screen |
7-inch 1024X600 color touch screen |
7-inch 1024X600 color touch screen |
1024X600 7-inch Color Touch Screen |
800X480 5-inch Color Screen |
480X272 4.3-inch Color Screen |
2.8-inch 320X240 color screen |
| Side Screen |
× |
× |
× |
× |
× |
320×480 Two 3.5-inch Color Screens |
2.4-inch 320X240 color screen |
| Video Codec |
× |
H.264 |
H.264 |
H.264 |
H.264 |
H.264 |
× |
| Video Call |
× |
Only receive video from the calling side (1080p) |
√ |
Only receive video from the calling side (1080p) |
Only receive video from the calling side (1080p) |
Only receive video from the calling side (1080p) |
× |
| Camera |
× |
CM60 USB Camera (optional) |
Connected with CM60 USB Camera |
× |
× |
× |
× |
| DSS Keys |
4 |
116 |
116 |
127 |
60 |
106 |
30 |
| SIP Lines |
2 |
20 |
20 |
20 |
20 |
20 |
4 |
| Line Keys |
× |
× |
× |
× |
12 |
10 |
× |
| Local Phone Book |
1000 |
2000 |
2000 |
2000 |
2000 |
2000 |
500 |
| Call Log |
600 |
1000 |
1000 |
1000 |
1000 |
1000 |
600 |
| Audio Conference |
× |
10-way conference |
10-way conference |
V1: 3-way conference |
V1: 3-way conference |
V1: 3-way conference |
3-way local conference |
| V2: 6-way conference |
V2: 6-way conference |
V2: 6-way conference |
| IPv6 |
√ |
× |
× |
√ |
√ |
√ |
× |
| HD Audio |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
| Wideband Codec |
G.722,Opus |
G.722,Opus |
G.722,Opus |
G.722,Opus |
G.722,Opus |
G.722,Opus |
G.722 |
| Bluetooth |
Built-in Bluetooth 4.2 |
Built-in Bluetooth 4.2 |
Built-in Bluetoooth 4.2 |
V1: Built-in Bluetooth 2.1 |
V1: Built-in Bluetooth 2.1 |
V1: Built-in Bluetooth 2.1 |
× |
| V2: Built-in Bluetooth 4.2 |
V2: Built-in Bluetooth 4.2 |
V2: Built-in Bluetooth 4.2 |
| Wi-Fi |
Built-in 2.4G/5G Wi-Fi |
Built-in 2.4G/5G Wi-Fi |
Built-in 2.4G/5G Wi-Fi |
Via USB Dongle |
Via USB Dongle |
Via USB Dongle |
× |
| PoE |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
| Network |
10/100/1000 Mbps |
10/100/1000 Mbps |
10/100/1000 Mbps |
10/100/1000 Mbps |
10/100/1000 Mbps |
10/100/1000 Mbps |
10/100Mbps(X4) 10/100/1000Mbps(X4G) |
| EHS Headset |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
| Foot Stand |
40° and 55° |
40° and 50° |
40° and 50° |
40° and 50° |
40° and 50° |
40° and 50° |
40° and 50° |
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