X303/X303P is the cost-effective color screen SIP phone with high performance specially for enterprise. It features a 2.4-inch 320x240 pixel color screen, supporting 4 SIP lines and local 6-party conferencing to render a user-friendly experience. X303/X303P has rich functions such as HD audio, dual 10/100 Mbps network ports and integrated PoE (only X303P), providing an efficient and high-quality business communication experience for enterprises.
| Design | |
| Product type: | IP Phone |
| Product colour: | Black |
| Handset type: | Wired handset |
| Wall mountable: | ![]() |
| Mounting: | Desk/Wall |
| Performance | |
| Operating system installed: | Linux |
| Dual-Tone Multi-Frequency (DTMF) modes: | In-band, Out-of band, SIP info |
| Phone features | |
| Lines quantity: | 4 lines |
| Caller ID: | ![]() |
| Phonebook capacity: | 1000 entries |
| Call log entries: | 600 |
| Hot desking: | ![]() |
| Call waiting: | ![]() |
| Intercom: | ![]() |
| Call hold: | ![]() |
| Call forwarding: | ![]() |
| Conference call: | ![]() |
| Redialing: | ![]() |
| Do not disturb function: | ![]() |
| Call park: | ![]() |
| Call pick up: | ![]() |
| Anonymous call: | ![]() |
| Full duplex: | ![]() |
| Phonebook sharing: | ![]() |
| Call transfer: | ![]() |
| Message-waiting indicator (MWI): | ![]() |
| Management features | |
| Volume control: | Buttons |
| Keypad number of keys: | 36 |
| Number of function keys: | 9 |
| Firmware upgradeable: | ![]() |
| Display | |
| Touchscreen: | ![]() |
| Display: | LCD |
| Display diagonal: | 6.1 cm (2.4") |
| Display resolution: | 320 x 240 pixels |
| Backlight display: | ![]() |
| Audio | |
| Speakerphone: | ![]() |
| Microphone mute: | ![]() |
| Microphone frequency: | 0 - 7000 Hz |
| Voice codecs: | G.711a, G.711u, G.723.1, G.726, G.729ab, iLBC |
| Noise reduction: | ![]() |
| Echo cancellation: | ![]() |
| Voice activity detection: | ![]() |
| Adaptive jitter buffers: | ![]() |
| Automatic gain control: | ![]() |
| Comfort noise generation (CNG): | ![]() |
| Packet loss concealment (PLC): | ![]() |
| Network | |
| Ethernet LAN: | ![]() |
| Wi-Fi: | ![]() |
| Bluetooth: | ![]() |
| Ethernet LAN interface type: | Fast Ethernet |
| Ethernet LAN data rates: | 10,100 Mbit/s |
| 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: | ![]() |
| DHCP client: | ![]() |
| Syslog: | ![]() |
| Ports & interfaces | |
| Ethernet LAN (RJ-45) ports: | 2 |
| RJ-9 ports quantity: | 2 |
| DC-in jack: | ![]() |
| Power | |
| Power over Ethernet (PoE): | ![]() |
| Power consumption (Power over Ethernet (PoE)): | 2.09 W |
| Operational conditions | |
| Operating temperature (T-T): | 0 - 40 °C |
| Operating relative humidity (H-H): | 10 - 95% |
| Weight & dimensions | |
| Width: | 201.1 mm |
| Depth: | 169 mm |
| Height: | 177.4 mm |
| Weight: | 8.5 kg |
| Package width: | 220 mm |
| Package depth: | 55 mm |
| Package height: | 250 mm |
| Package weight: | 9.21 kg |
| Packaging content | |
| Number of handles included: | 1 pc(s) |
| Mounting kit: | ![]() |
| Analog line cable: | ![]() |
| Ethernet cable: | ![]() |