Synway Basic IP Phone
S303G OVERVIEW
Executive IP Phones for Efficient and Intelligent Communication, With Unparalleled Cost Efficiency and High Compatability With UC & PBX
Executive IP Phones for Efficient and Intelligent Communication, With Unparalleled Cost Efficiency and High Compatability With UC & PBX
2.4-inch color LCD
4 SIP Accounts
2.4G & 5.8G Wi-Fi Optional
G722 & OpusIn the fierce competition, enterprises and users need to strive to improve efficiency and save costs in order to win the competition. Our products are designed to set our customers apart from the competition. WE SELECT THE MOST IMPORTANT COMPETITIVE FACTORS TO DESIGN OUR IP PHONES TO HELP OUR CUSTOMERS WIN THE COMPETITION IN TERMS OF COST, FUNCTIONALITY, AND RELIABILITY. Therefore, we have created products that meet the needs of most users at the best cost.


In a mature communications market, we are committed to maximizing our customers' productivity by exploring finest details and breakthrough. For IP phones, the customer's productivity mainly includes nine aspects: auido quality, communication security, compatibility, rich functionality, coordination effciencicy, personalization, industrial design, intelligence, and high stability. As a new entrant to IP PHONE with decades of audio technologies, we strive to improve the competitiveness of our products in these areas to meet the productivity needs of our customers.
In a mature communications market, we are committed to maximizing our customers' productivity by exploring finest details and breakthrough. For IP phones, the customer's productivity mainly includes nine aspects: auido quality, communication security, compatibility, rich functionality, coordination effciencicy, personalization, industrial design, intelligence, and high stability. As a new entrant to IP PHONE with decades of audio technologies, we strive to improve the competitiveness of our products in these areas to meet the productivity needs of our customers.

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Specialist Channel
- 2.4-inch 320x240 color screen
- 4 SIP lines
- HD voice
- PoE power supply
- Smart DSS keys
- Handset/Speaker/Headset modes
- Desktop/Wall-mount (optional)
- Power adapter (optional)
- Hall sensor handset
Phone Features
- Local phonebook (1,000 entries)
-Network phonebook (supports XML /LDAP/Broadsoft)
-Call logs (Missed/Received/Dialed/ Forwarded calls, 1,000 entries)
- Blacklist/Whitelist for incoming calls
- Screen saver standby mode
- Voice mail (MWI)
- User-customizable DSS keys
- Network time synchronization
- Plantronics wireless headset support (via Plantronics APD-80 EHS cable)
- Jabra wireless headset support (via EHS20 cable)
-Call recording (server-based recording /SIP Info)
- Action URL / Active URI
- XML Browser
- Customizable wallpaper
- Customizable boot logo
- uaCSTA
- Customizable ringtones
- Time management (scheduled reboot /forwarding/firmware upgrade/configuration update)
- Hidden DTMF
- Headset ringer
- Customizable DSS icons
- Customizable DSS LED indicators
- Customizable BLF
- Customizable UI display
Call Features
- Call dialing/answering/rejecting
- Microphone mute/unmute
- Call hold/resume
- Call waiting
- Intercom function
- Caller ID display
- Speed dial
-Anonymous call /call rejection
- Call forwarding (unconditional / busy /no answer)
- Call transfer (attended/blind)
- Call park / pickup (require server integration)
- Redial
- Pre-dialing
- Callback
- Do Not Disturb (DND)/scheduled DND
- Auto-answer
- SIP messaging
- Voice mail (requires server integration)
- 6-party audio conferencing
- Hotline
- Phone sharing
- IP direct dialing
- Fuzzy search
- Linkage plan
- Dial plan
- Call completion/automatic redial
- Primary/backup server
- Default external line dialing
- Multicast
Audio Features
- High-fidelity sound quality: HD handset, HD speakerphone
- Wideband ADC/DAC with 16KHz sampling rate
- Narrowband codecs: G.711a/u, G.723.1, G.726, G.729AB, iLBC
- Wideband codecs: G.722, Opus
- Full-duplex speakerphone with Acoustic Echo Cancellation (AEC)
- Voice Activity Detection (VAD)/Comfort Noise Generation (CNG)/Background Noise Estimation (BNE)/Noise Reduction (NR)/Automatic Gain Control (AGC)
- Packet Loss Concealment
- Dynamic adaptive jitter buffer
- DTMF: In-band, Out-of-band (RFC2833/SIP INFO)
- VQM voice quality monitoring
Network Features
- 10/100/1000 Mbps Ethernet (bridge mode)
- IP modes: IPv4/IPv6/IPv4&IPv6 dual stack
- IP acquisition methods: Static IP configuration/DHCP/PPPoE
- 802.1x network access authentication support
- Virtual Private Network (VPN): OpenVPN/L2TP
- Virtual Local Area Network (VLAN)
- Link Layer Discovery Protocol (LLDP)
- Quality of Service (QoS)
- RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
- DNS-SRV (RFC 3263)
- Redundant server support
- Proxy
- HTTPS mutual authentication
Supported Protocols
- SIP v1 (RFC2543), v2 (RFC3261)
-UDP/TCP/TLS;RTP/RTCP/SRTP (optional /mandatory)
- STUN
- DHCP
- IPv6
- LLDP
- PPPoE
- 802.1x
- 802.1p
- L2TP
- OpenVPN
- SNTP
- FTP/TFTP
- HTTP/HTTPS
- TR-069
- AES128 & AES256
Configuration & Management
- Auto-provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PnP/TR-069
- Web screenshot capture
- Web-based management interface
- Web-based packet capture
- Configuration import/export
- Phonebook import/export
- Firmware upgrade
- System log (Syslog)
- Network firewall
- Online upgrade
Physical Specifications
-Screen: 2.4-inch (320x240) color screen
- Keypad: 35 keys including
- 8 function keys (Hold/ Transfer/ Voicemail/Phonebook/Conference/Headset/Redial/Speaker)
- 4 dynamic soft keys
- 3 line keys (with LED indicators)
- 4 navigation keys
- 1 OK key
- 12 standard numeric keys
- 3 volume control keys (increase/ decrease/microphone mute)
- 1 speakerphone key
- 1 x HD handset (RJ9)
- 1 x standard RJ9 handset cord
- 1 x 1.5m CAT5e network cable
- 1 x phone stand
- 1 x status LED indicator (red)
- 2 x RJ9 ports: 1 for handset, 1 for headset
- 2 x RJ45 ports: 1 for network, 1 for PC (bridge mode)
- 1 x security lock slot
- Power Supply: DC5V / 1A or PoE
-PoE compliant with IEEE 802.3af standard
-Power adapter (optional): Input 100-240VAC~50/60Hz, Output 5V/1A
- Power Consumption: 0.92~1.69W (DC power), 1.41~2.25W (PoE)
- Operating Temperature: 0~45℃
- Relative Humidity: 10~95%
- Installation: Desktop, Wall-mount (optional)
- Color: Dark blue
- Quantity per Carton: 10 pcs
- Dimensions:
- Desktop (40°): 178 x 190.98 x 170.89 mm
- Desktop (45°): 178 x 179.7 x 178.74 mm
- Wall-mount: 178 x 101.89 x 215.94 mm
- Package Dimensions: 250x220x55mm
- Carton Dimensions (10 PCS): 460x 300 x270mm


