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General| SIP Accounts | 2 |
|---|---|
| Headset Port | RJ9 |
| Local Phonebook | 1000 entries |
| Operating Temperature | 0°C to 40°C |
| Humidity | 10% to 90% non-condensing |
| Audio Codecs | G.711, G.722, G.729, iLBC |
| Network Interface | 10/100Mbps Ethernet |
| Power Supply | DC 5V/1A or PoE (IEEE 802.3af) |
| Features | Call Hold, Call Waiting, Call Transfer, Call Forwarding, 3-way Conference |
| Protocols | SIP, TCP/IP, UDP, RTP, RTCP, DHCP, DNS, HTTP, HTTPS |
| Supported Languages | English, Chinese |
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