X303 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 6-way audio conference to render a user-friendly experience. X303/X303P has rich functions such as HD audio,dual 10/100 Mbps network ports ,providing an efficient and high-quality business communication experience for 
enterprises.
 
| Highlights | 2.4-inch 320x240 pixel color screen | 
| Support audio codec G.722 and Opus,HD audio on speakerphone and handset | |
| Support 6-way audio conference | |
| Support EHS wireless headset | |
| Dual 10/100 Mbps ports,integrated PoE(only X303P) | |
| Two installation methods of desktop stand and wall mountable | |
Generic  | 4 SIP Lines | 
| HD Voice | |
| PoE Enabled(only X303P) | |
| 2.4-inch color screen | |
| Handset/Hands-free/Headset mode | |
| Desktop Stand/Wall mountable(optional) | |
| Optional External Power Supply | |
| Phone Features | Local Phonebook(1000 entries) | 
| Remote Phonebook(XML/LDAP,1000 entries) | |
| Call logs(In/Out/Missed,600 entries) | |
| Blocked List/Allowed List | |
| Screen saver | |
| Voice Message Waiting Indication(VMWI) | |
| Programmable DSS/Soft keys | |
| Network Time Synchronization | |
| Support Poly wireless headset(Through Poly APD-80 EHS Cable) | |
| Support Jabra wireless headset(Through Fanvil EHS20 EHS Cable) | |
| Support Recording(Through Server) | |
| Action URL/Active URI | |
| uaCSTA | |
| Call Features | Call out/Answer/Reject | 
| Mute/Unmute(Microphone) | |
| Call Hold/Resume | |
| Call Waiting | |
| Intercom | |
| Caller ID Display | |
| Speed Dial | |
| Anonymous Call(Hide Caller ID) | |
| Call Forward(Always/Busy/No Answer) | |
| Call Transfer(Attended/Unattended) | |
| Call Parking/Pick-up(Depending on server) | |
| Redial | |
| Do-Not-Disturb | |
| Auto-Answering | |
| Voice Message(On server) | |
| 6-way Audio Conference | |
| Hot Line | |
| Hot Desking | |
| Audio | Wideband ADC/DAC 16KHz Sampling | 
| Narrowband Codec:G.711a/u,G.723.1,G.726,G.729A/B,iLBC | |
| Wideband Codec:G.722,Opus | |
| Full-duplex Acoustic Echo Canceller(AEC) | |
| Voice Activity Detection(VAD)/Comfort Noise Generation(CNG)/Background Noise Estimation(BNE)/Noise Reduction(NR) /Automatic Gain Control(AGC) | |
| Packet Loss Concealment(PLC) | |
| Dynamic Adaptive Jitter Buffer | |
| DTMF:In-band,Out-of-Band(RFC2833/ SIP INFO) | |
| VQM voice quality monitoring | |
| Network | Physical:10/100 Mbps Ethernet,dual bridged port for PC bypass | 
| IP Mode:IPv4/IPv6/IPv4&IPv6 | |
| IP Configuration:Static IP/DHCP/PPPoE | |
| Network Access Control:802.1x | |
| VPN:L2TP/OpenVPN | |
| VLAN | |
| LLDP | |
| QoS | |
| RTCP-XR(RFC3611),VQ-RTCPXR(RFC6035) | |
| 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 | |
| Physical Specifications | LCD:2.4-inch(320x240) Color Screen | 
| Keypad:36 keys,including | |
| 4 Soft-keys | |
| 9 Function keys(Hold/Transfer/Voice message/Conference/Phone book/MWI/Headset/Redial/Hands-free) | |
| 3 Line keys(With LED Indicator Light) | |
| 4 Navigation keys | |
| 1 OK key | |
| 12 Standard Phone Digits keys | |
| 3 Volume Control keys(Up/Down/Mute(Microphone)) | |
| Handset(RJ9) x1 | |
| Standard RJ9 Handset Wire x1 | |
| 1.5M CAT.5E Ethernet Cable x1 | |
| Desktop Stand x1 | |
| Status Indicator Light x1(Red) | |
| RJ9 Port x2:Handset x1,Headset x1 | |
| RJ45 Port x2:Network x1,PC x1(Bridged to Network) | |
| Security Slot x1 | |
| DC Power Input:DC5V/0.6A | |
| Power Consumption(Adapter):0.84~1.43W | |
| Power Consumption(PoE):1.32~2.09W | |
| Working Temperature:0~45ºC | |
| Working Humidity:10~95% | |
| Installation: | |
| Desktop Stand | |
| Wall mountable(optional) | |
| Color:Black | |
| N.W/CTN:8.95kg(X303),8.5kg(X303P) | |
| G.W/CTN:9.66kg(X303),9.21kg(X303P) | |
| Device Dimensions: | |
| Desktop Stand(45°):169x201.1x177.4 mm | |
| Desktop Stand(50°):169x191.9x185.8 mm | |
| Wall mountable:169x120.1x213.7 mm | |
| Gift Box Dimensions:250x220x55mm | |
| Outer CTN Dimensions:460x300x270mm(10 PCS) | 






                    




  
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