| Call Features |
Call out/answer/reject | Mute/unmute (microphone) | Call Hold/Resume/Waiting/Forwarding/Transfer/Parking/Pick-up | Redial |
| Display |
2.4/2.8 inch (320×240) color-screen LCD |
| Interfaces |
Physical: 10/100 Mbps LAN | IP Configuration: Static/DHCP/PPPoE | VLAN and QoS |
| Phone Features |
Intelligent Phonebook (up to 500 entries) | Remote Phonebook via XML/LDAP | Call log (300 entries total, in/out/missed) | Network Time Synchronization | Multi-language support in screen and web UI |
| Audio Features |
HD Voice Microphone/Speaker | Mixed-Signal (ADC/DAC) Wideband (CODEC: G.722) in 16 KHz Sampling rate | Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB | Full-duplex Acoustic Echo Canceller | Voice Activity Detection, Comfort Noise Generation, Background Noise Estimation and Noise Reduction |
| Supported Protocols |
SIP2.0 over UDP/TCP/TLS | RTP/RTCP/SRTP | Network Access Control: 802.1x | L2TP (Unencrypted) | OpenVPN | SNTP | FTP/TFTP/HTTP/HTTPS | TR069 |
| Keypad |
32 keys: 4 Soft-keys, 12 Standard Phone Digits keys, 5 Navigation keys, 2 Line keys (tri-color LED), 5 Function keys, 3 Volume Control keys for up/down/mute (Microphone), 1 Hands-free |
| Physical Specifications |
1x RJ9 Handset wire and 1x 1.5 m CAT5 Cable | 2x RJ9 Phone Jacket: 1x Handset, 1x Headphone | 2x RJ45 Ethernet Jacket: 1x Network (802.3AF POE Class 1 Enabled), 1x PC (Bridged to Network) | Broadcom Chipset | DC Power Input: 5V/600mA |
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