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Phone Features: SIP authentication (none, basic, MD5) Call forward/ Caller ID Call transfer (blind/attended) Call holding/waiting 9 kinds of ring types and 3 user-defined music ring Multiple road call waiting in line Softkeys programmable Phonebook 500 records SMS and Speed Dial 3 way conferencing Multilanguage realizes localization Flexible dial map Empty calling no. reject service Black list /white list No disturb Peer to Peer Incoming calls /outgoing calls / missing calls(100 records for each). Advanced Features: XML phonebook/browser Code synchronization via IP PBX/IMS Click to dial via web phone book Support action URL/active URI Voice codec setting for each SIP line Hands-free headset ringing choice IP Phone System Integration: Conference call park Call pickup Paging and intercom Redial and unredial Click to dial Secondary dialing automatically CLIR (reject the anonymous call) CLIP (make a call with anonymous) Dial without register Codec & Voice: Wideband codec: G.722.1 Narrowband codec: G.711a/u, G.723.1,high/low, G.729a/b, G.726 Voice Gain Setting, VAD, CNG Echo cancellation: G.168 Hands-free can support 96ms Full duplex hands-free speakerphone Network Features: WAN/LAN: 10/100M Ethernet ports,supports Route and Bridge mode. Support bridge working as hub(optional) SIP 2.0 (RFC3261) and correlative RFCs Support VLAN(voice vlan/data vlan) DTMF Relay:support inband, SIP info,RFC2833 Support basic NAT and NAPT NAT transverse: support STUN client Support DHCP client on WAN Support DHCP server on LAN Support main DNS and secondary DNS server. DNS name of server SIP domain Security: Support DNS Relay, SNTP Client,Firewall SRTP, HTTPS VPN (L2TP/OPENVPN), 802.1, DMZ Network tools in telnet server: including ping, trace route, telnet client Maintenance and Management Web, telnet and keypad management Management with different account right Upgrade firmware through POST mode and HTTP, FTP or TFTP Support DHCP option66 auto provisioning Auto Provisioning to upgrade firmware or configuration file with HTTPS Telnet remote management/upload/download setting file Safe mode provide reliability Support TR-069(optional) and Syslog

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