The S4G IP Phone is a high-end enterprise desktop phone which comes with intelligent DSS Key-mapping to increase enterprise users’ productivity at a cost-effective price.
Generic:
- 4 SIP Line
 - HD Voice
 - POE Enabled
 - 2.8” color screen
 - Handset(HS) / Hands-free(HF) / Headphone(HP) mode (EHS support for Plantronics headsets)
 - Intelligent DSS Keys
 - Desktop / Wall-mount installation
 - Optional External Power Supply
 - Economical and Environmental friendly package
 - Industrial Standard Certifications: CE/FCC
 
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 Forwarding (Always/Busy/No Answer)
 - Call Transfer(Attended/Unattended)
 - Call Parking / Pick-up (depending on server)
 - Redial/Auto-Redial
 - Do-Not-Disturb (per line / per phone)
 - Auto-Answering (per line)
 - Voice Message (on server)
 - Local 3-way Conference
 - Hot Line
 - Hot-Desking
 
Phone Features:
- Phonebook (500 entries)
 - Remote Phonebook (XML/LDAP)
 - Call log (100 entries, in/out/missed)
 - Black/White List Call Filtering
 - Voice Message Waiting Indication (VMWI)
 - Programmable DSS/Soft keys
 - Network Time Synchronization
 - Action URL / Active URI
 
Audio:
- HD Voice Microphone/Speaker (Handset/Hands-free, 0~7KHz Frequency Response)
 - Wideband ADC/DAC 16KHz Sampling
 - Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB
 - Wideband CODEC: G.722
 - Full-duplex Acoustic Echo Canceller (AEC) – Hands-free Mode, 96ms tail-length
 - Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) /
 - Background Noise Estimation (BNE) / Noise Reduction (NR)
 - Packet Loss Concealment (PLC)
 - Dynamic Adaptive Jitter Buffer up to 300ms
 - DTMF: In-band, Out-of-Band – DTMF-Relay(RFC2833) / SIP INFO
 
Networking:
- 10/100Mbps(S4P), 10/100/1000Mbps(S4G) Ethernet, dual bridged port for PC bypass
 - IP Configuration: Static / DHCP / PPPoE
 - Network Access Control: 802.1x
 - VPN: L2TP (Basic Unencrypted) / OpenVPN
 - VLAN
 - QoS
 
Protocols:
- SIP2.0 over UDP/TCP/TLS
 - RTP/RTCP/SRTP
 - STUN
 - DHCP
 - PPPoE
 - 802.1x
 - L2TP (Basic Unencrypted)
 - OpenVPN
 - SNTP
 - FTP/TFTP
 - HTTP/HTTPS
 - TR069
 
RFCs:
- 354/1321/1350/1769/1889/1890/2131/2132/2616/2617/2661/2833/2976/3261/
 - 3262/3263/3264/3265/3268/3311/
 - 3489/3711/4346/4566/5630/5865
 - Deployment & Maintenance
 - Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP
 - PNP/TR069
 - Web Management Portal
 - Web-based Packet-dump
 - Configuration Export / Import
 - Phonebook Import/Export
 - Firmware Upgrade
 - syslog
 
Physical Specifications:
- LCD: 2.8 inch (320x240) color-screen
 - Keypad: 39 keys, including
 - 8 DSS key with tri-color LED
 - 4 Soft-keys
 - 7 Function keys
 - 4 Navigation keys + 1 OK key
 - 12 Standard Phone Digits keys
 - 2 Volume Control keys, Up/Down
 - 1 Hands-free key
 - HD Hands-free Speaker (0~7KHz) x1
 - HD Hands-free Microphone (0~7KHz) x1
 - HD Handset (RJ9) x1
 - Standard RJ9 Handset Wire x1
 - 1.5M CAT5 Ethernet Cable x1
 - RJ9 Phone port x2: Handset x1, Headphone x1
 - RJ11 EXT port x1: Extension Module x1
 - RJ45 Ethernet Port x2: Network x1 (802.3AF POE Class 2Enabled),
 - PC x1 (Bridged to Network)
 - Main Chipset: Broadcom
 - DC Power Input: (S4P) 5V / 0.6A (S4G) 5V / 1A
 - Power Consumption: (S4P) Idle –~1.3W, Peak – ~4.3W
 - (S4G) Idle – ~1.7W, Peak – ~5.7W
 - Working Temperature: 0~40℃
 - Working Humidity: 10~65%
 - Dual-Functional Back Rack x1: Desktop Stand / Wall-mount
 - Color: Black
 - Package Dimensions: 260x255x62mm (L x W x H)
 


