| # Main Features
2 SIP Lines
HD Voice
POE Enabled(X3S)
Handset(HS) / Hands-free(HF) / Headphone(HP) mode (EHS support for Plantronics headsets)
Desktop / Wall-mount installation
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
Call Forwarding (Always/Busy/No Answer)
Call Transfer (Attended/Unattended)
Call Parking/Pick-up (depending on server)
Redial
Do-Not-Disturb (per line / per phone)
Auto-Answering (per line)
Voice Message (on server)
Local 3–way Conference
Hot Line
# Phone Features
Phone Accessibility Control by User PIN
Intelligent Phonebook (up to 500 entries total)
Remote Phonebook (XML/LDAP)
Intelligent Contact Number Matching / Filtering
Call log (300 entries total, in/out/missed)
Voice Message Waiting Indication (VMWI)
Network Time Synchronization
Multi-language support in screen and web UI: English, Chinese(Traditional/Simplified), Japanese, Russian, Italian, Turkish, Germany, Dutch, Spanish, Hebrew, Polish, French etc.
# Codecs and Voice Feature
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
# Network Features
Physical: 10/100Mbps(X3S)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
# Maintenance:
Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP/OPT66/SIP PNP/TR069
Web Management Portal
Web-based Packet Dump
Configuration Backup/Restore
Auto/Manual Online Software Upgrade
Syslog
# Physical Features:
LCD x1: 2.4 inch (320×240) color-screen LCD
Keypad: 32 keys, including
4 Soft-keys
12 Standard Phone Digits keys
5 Navigation keys
2 Line keys with tri-color LED
5 Function key
3 Volume Control keys, Up/Down/Mute(Microphone)
1 Hands-free
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 Jacket x2: Handset x1, Headphone x1
RJ45 Ethernet Jacket x2: Network x1 (802.3AF POE Class 1 Enabled), PC x1 (Bridged to Network)
Main Chipset: Broadcom
DC Power Input: 5V/600mA
Working Temperature: 0 ~ 40℃
Working Humidity: 10 ~ 65%
Dual-Functional Back Rack x1: Desktop Stand / Wall-mount
Color: Black
Package Dimensions: 275x215x62mm (W x H x L)
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