Network interface
• WAN Port 10/100Base-TX Ethernet with PoE support
• LAN Port 10/100Base-TX Ethernet
• 5V DC IN Jack
• Handset Hook switch
• Handset Jack
• External console Jack
Phone Features
• Multi-user (4 SIP accounts)
• Caller ID display
• Call History: 100 Missed Calls, 100 Received Calls, 100 Dialed Calls
• Phone book (up to 500 contact names and phone numbers)
• Day/Time display
• Call/Time display
• 9 Selective Ring tones
• 9 Speed dial number
• Incoming call indicator
• Flexible dial map
• Password control for Configuration
• Pre-dial before sending
• Connect with expansion module
• Memo
• MWI
• SMS
• Keypad lock
• Emergency call
• Customize DSS key/ softkey
Voice Codec
• G.711a/u (64k bps)
• G.729A/B (8k bps)
• G.723.1 high/low
• G.726-32
• G.722
Advance Voice Quality Feature
• Silence Suppression
• Acoustic Echo Cancellation (G.168): Hands-free can support 96ms
• Voice Active Detection (VAD)
• Comfort Noise Generation
• Jitter Buffer
• DTMF Transmitter (SIP info, Transparent, RFC 2833)
• Packet Lost Concealment (PLC)
• Support HD voice
Signal, Media & Network Protocols
• SIP RFC 3261 & the related RFC standard in Appendix A
• SDP RFC 2327
• RTP RFC 1889
• IP assignment: Static IP, DHCP and PPPoE
• STUN, static port mapping (for NAT traversal)
• SNTP
• DNS & DNS SRV
• TFTP/FTP/HTTP for Auto Provision
• IP/TCP/UDP/ARP/ICMP
Supplementary Call Feature
• Call Hold Resume
• Call Mute
• Call Transfer (Blind, Attend & Early Attended Transfer)
• Call Forward (Busy, No answer, Unconditional)
• Call Waiting
• Call waiting Indication
• Three Way Conference
• Anonymous Call/Rejection
• Message Waiting Indication
• Do Not Disturb
• Auto Answer
• Black list
• Limit list
• Auto hangup
• Ban outgoing
• Hot line
• BLF/Presence
• Intercom
• Call Pickup
• Action url/Active uri
Network Capability
• QoS: IEEE 802.1Q & IEEE 802.1p Compliant
• Diffserv (DSCP)/ToS
• Full range VLAN ID Support(voice vlan/data vlan)
• Class of Service Support by VLAN Tag
• LLDP
• L2TP VPN/OpenVpn
User Interface and Network Management
• LCD/Keypad UI in English & other Languages
• HTTP(WEB) UI in English version & other Languages
• FTP/TFTP/HTTP for Firmware remote update
• APS auto-provisioning for firmware and profile upgrade
• Emergence upgrade if firmware corrupted
Certifications
• CE Class B