Features

Highlights

• IETE SIP compliant with Transport Layer Security
• Wideband G.722 HD and Opus audio
• 2.8-inch 320 x 240 color LCD monitor
• 6 identities/accounts with 2-line color LED key 
• Dual Gigabit and IEEE 802.3af/at PoE compliant
• Multi-language support via the web UI and LCD
• IPv6, VPN, VLAN, QoS, TR069 and auto-provisioning

Advantageous Applications

• Supports SIP 2.0 (RFC3261) over UDP/TCP/TLS
• Inband, SIP info, RFC 2833 DTMF relay
• Soft keys and function keys programmable
• Echo cancellation: Supports G.168, and a maximum filter length of 96ms in hands-free mode
• Supports voice gain setting, voice activity detection (VAD) and comfort noise generation (CNG) 
• Full duplex hands-free speakerphone
• Hands-free headset ringing choice
• Voice codec setting for each SIP line

SIP Applications

• Call forward and transfer (blind/attended)
• Call holding and waiting
• 3-way conferencing
• Paging and intercom
• Call park, call pickup and join call
• Redial and click to dial
• Secondary dialing automatically
• Incoming calls, outgoing calls and missing calls (Each supports 100 records.)
• SMS and speed dial
• Phonebook up to 1000 records

Call Control Features

• Flexible dial map, hotline and empty calling no. for rejected service
• Black list for rejected authenticated calls
• White list and call limit
• Do not disturb (DND)
• Caller ID display
• Dial without registration

Network Features

• IPv4/IPv6
• Static /PPPoE/DHCP client 
• 802.1 VLAN (voice VLAN/data VLAN)
• VPN (L2TP) and openVPN
• Quality of Service

Maintenance and Management

• Integrated web server provides web-based administration and configuration
• Telephone keypad configuration via display menu/navigation
• Automated provisioning and upgrade via HTTPS, HTTP, TFTP
• User authentication for configuration pages
• SNTP time synchronization
• TR069