VoIP

• Support SIP protocol（RFC3261、RFC2543）
• Support Call Forward、Call Transfer、Call Hold、Conference Call
• Support DND、Call Park、Call Pickup
• Support Auto Answer
• Support Redial、Speed Dial
• Support Black Lick
• Support In band audio、RFC2833 and SIP Info DTMF

Voice

• Tone generation and Local DTMF re-generation according with ITU-T
• Codec：G.711、G.722、G.726、G.729、G.723、iLBC、 Lin16
• HD voice support
• AGC(Auto Gain Control）
• AEC（Auto Echo Cancellation）
• VAD（Voice Activity Detection）
• CNG（Comfort Noise Generation）
• HAC（Hearing Aids Compatibility）
• Jitter buffer
• User Define Ringer

Networking

• LAN port: Static IP/ DHCP /PPPoE
• PC port: Support Bridge and Router model
• LAN support Primary and Secondary DNS
• Support VLAN
• Qos support Diffserv
• Support SNTP
• Support STUN

Management

• Support HTTP or HTTPS visit WEB
• Support autoprovision update configuration file or firmware
• Web management
• Upgrade firmware through HTTP, FTP or TFTP
• Support Auto Provisioning

Hardware

• Independent Login/Logout Key
• Support 7 programmable keys
• Login/Logout indicator light*1
• status indicator light*1
• Mute indicator light*1
• Softkeys *4
• Call indicator light*1

Interfaces

• Support 2 RJ-45 Ethernet ports
• Support RJ-9 professional call center earphone port
• Power port*1

Electric Requirements

• Power adapter: output DC 12V/450 mA

Compliance certificates

• CE: EN55024 EN55022