| Features |
|---|
| Number of function keys | 9 |
| Dual-Tone Multi-Frequency (DTMF) modes | In-band, Out-of band, SIP info |
| Operating system installed | Linux |
| Wall mountable | Yes |
| Volume control | Buttons |
| Phonebook sharing | Yes |
| Mounting | Desk/Wall |
| Keypad number of keys | 36 |
| Handset type | Wired handset |
| Firmware upgradeable | Yes |
| Ethernet cable | Yes |
| Product colour | Black |
| Analog line cable | Yes |
| Design |
|---|
| Product type | IP Phone |
| Wall mountable | Yes |
| Mounting | Desk/Wall |
| Handset type | Wired handset |
| Product colour | Black |
| Performance |
|---|
| Dual-Tone Multi-Frequency (DTMF) modes | In-band, Out-of band, SIP info |
| Operating system installed | Linux |
| Phone features |
|---|
| Lines quantity | 4 lines |
| Redialing | Yes |
| Phonebook sharing | Yes |
| Phonebook capacity | 1000 entries |
| Message-waiting indicator (MWI) | Yes |
| Intercom | Yes |
| Full duplex | Yes |
| Do not disturb function | Yes |
| Conference call | Yes |
| Caller ID | No |
| Call waiting | Yes |
| Call transfer | Yes |
| Call pick up | Yes |
| Call park | Yes |
| Call log entries | 600 |
| Call hold | Yes |
| Call forwarding | Yes |
| Anonymous call | Yes |
| Hot desking | Yes |
| Management features |
|---|
| Number of function keys | 9 |
| Volume control | Buttons |
| Keypad number of keys | 36 |
| Firmware upgradeable | Yes |
| Display |
|---|
| Touchscreen | No |
| Display resolution | 320 x 240 pixels |
| Display diagonal | 6.1 cm (2.4") |
| Display | LCD |
| Backlight display | Yes |
| Audio |
|---|
| Voice codecs | G.711a, G.711u, G.723.1, G.726, G.729ab, iLBC |
| Voice activity detection | Yes |
| Speakerphone | Yes |
| Noise reduction | Yes |
| Microphone mute | Yes |
| Microphone frequency | 0 - 7000 Hz |
| Echo cancellation | Yes |
| Comfort noise generation (CNG) | Yes |
| Automatic gain control | Yes |
| Adaptive jitter buffers | Yes |
| Packet loss concealment (PLC) | Yes |
| Network |
|---|
| Ethernet LAN interface type | Fast Ethernet |
| Ethernet LAN data rates | 10,100 Mbit/s |
| Bluetooth | No |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi | Yes |
| Syslog | Yes |
| Supported network protocols | SIP2.0 over UDP/TCP/TLS, RTP/RTCP/SRTP, STUN, DHCP, IPv6, LLDP, PPPoE, 802.1x, L2TP, OpenVPN, SNTP, FTP/TFTP, HTTP/HTTPS, TR-069, AES128 & AES256 |
| Quality of Service (QoS) support | Yes |
| Ethernet LAN | Yes |
| DHCP client | Yes |
| Ports & interfaces |
|---|
| RJ-9 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 2 |
| DC-in jack | Yes |
| Power |
|---|
| Power over Ethernet (PoE) | Yes |
| Power consumption (Power over Ethernet (PoE)) | 3.49 W |
| Operational conditions |
|---|
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 95% |
| Weight & dimensions |
|---|
| Width | 177.4 mm |
| Depth | 169 mm |
| Height | 201.1 mm |
| Weight | 8.98 kg |
| Package width | 220 mm |
| Package depth | 55 mm |
| Package height | 250 mm |
| Package weight | 9.69 kg |
| Packaging content |
|---|
| Number of handles included | 1 pc(s) |
| Ethernet cable | Yes |
| Analog line cable | Yes |
| Mounting kit | Yes |
