Device Interfaces
• 1 WAN port 1000 Mbit / s (SFP)
• 1 copper port 10/100/1000Base-TX
• 4-port LAN 10/100/1000 Mb / s
• 2 FXS ports
• 1 host USB 2.0 (optional)

Indicators
• Power
• Prov. / Alm
• Register
• WAN
• WLAN
• LAN 1 ~ 4
• USB (optional)
• Phone 1 ~ 2
• WPS

Voice Features
• Codecs: G.711 a / μ-law, G.723.1, G.726, G.729A / B, GSM 6.10 Full Rate, iLBC
• DTMF detection and generation
• Detection and silence suppression
• Comfort Noise Generation (CNG)
• Voice Activity Detection (VAD)
• Echo Cancellation (G.165/G.168)
• Variable (dynamic) jitter-buffer
• Call progress tone generation (FXS)
• Automatic or programmable gain control
• Built-in local frequency converter
• ITU-T V.152 Voice-band Data over IP Networks

SIP main functions
• Calls to view Peer-to-Peer
• Retention / Disarming Hold
• Call Waiting
• Selection of a call
• Parking Call / removal of a call hold (requires SIP-Server)
• Call forwarding (busy, no answer, unconditional)
• Call transfer (accompanied or unaccompanied)
• The "do not disturb"
• Speed ​​Dial
• Redial
• Three-way conference
• MWI (RFC-3842)
• Hot Line and Warm Line

Phone functions
• In-band (In-Band) DTMF, out-of-band (Out-of-Band) DTMF Relay (RFC2833 or SIP INFO)
• Support for DTMF / pulse dialing
• Detection and generation of caller ID (Caller ID): DTMF
• FSK-Bellcore Type 1 and 2
• FSK-ETSI Type 1 and 2
• FSK-NTT
• FSK: The name of the caller's number, date and time, vMWI
• FXS metering pulse:
• Detection of polarity reversal
• DTMF 12 kHz
• Tone nabor16 kHz
• Generation (FXS) POTS tone
• T.30 FAX Bypass to G.711, T.38 Real Time FAX Relay

Account Management
• Check port-based
• Register-based devices (general account)
• Mixed mode register (Hunt number for inbound calls, based on port number for outgoing calls)
• Invite with Challenge
• Registration by IP-address SIP-server or a domain name
• Support the format of RFC3986 SIP URI

Call Management
• Outbound Proxy Support
• Mechanism for SIP Registration Failover
• Group Hunting
• Privacy Mechanism / Private Extensions to SIP
• Timers Session (Update / Re-invite)
• Support for DNS SRV
• Types of calls: voice / modem / fax
• Routing of calls to the phone number prefix
• Supports user programmable dial plan
• CDR-client
• Manual Peer Table (for calls P2P)
• E.164 Numbering, support for ENUM

Wireless Interface
• Standards IEEE 802.11b/g/n
• Frequency range 2.4 GHz • 2.484 GHz
• Connection speed up to 300 Mbit / s
• Mode AP Client
• Automatic change of speed (Auto rate adaptive)
• Multi-SSID
• Office of Broadcast SSID
• 64/128 bit WEP-encryption
• WPA-PSK / WPA2-PSK
• Universal Repeater Mode
• IAPP (802.11f)
• Wi-Fi Multi-Media (WMM) mode access point
• WPS (Wi-Fi Protected Setup) for ease of installation

Network Features
• Support for IPv4, in the future • IPv6 (optional)
• WAN: Static IP, PPPoE, DHCP, PPTP
• Supports Network Protocols: IP, TCP, UDP, TFTP, FTP, RTP, RTCP, RTCP XR, ARP, RARP, ICMP, NTP, SNTP, RIP I & II, SNMP v1/v2c/v3, HTTP, HTTPS, DNS, DNS SRV, Telnet, DHCP Server, DHCP Client, STUN Client, UPnP, IGMP snooping, IGMP proxy
• Support for QoS:
WAN: DiffServ, IP Precedence, priority queues, speed control, 802.1Q (VLAN Tagging), 802.1p (Priority Tag)
The speed limit on the LAN port
• DDNS support

Network Security
• VPN PPTP client
• DIGEST authentication
• MD5 encryption
• Protection against DoS attacks

Management
• Web-based user management
• The function of «Auto-provisioning» via HTTP / HTTPS
• Telnet
• IVR
• Software update via FTP / TFTP / HTTP
• Configure backup and recovery
• Reset button to return to default settings
• TR-069/104 (optional)
• Host USB 2.0 (optional) (Support 3/3.5G and Share Port (optional))
• SIP ALG / RTSP ALG