Rec/Finish Features:
Codec: G.711A/u, G.7231 high/low, G.729 G.168 echo cancel Rec/Finish Gain Setting Jitter Buffer Auto latency recover VAD CNG RFC2833 DTFM relay Support H323 and SIP synchronously

H323 Features:

• H323v4；
• DNS name of GK
• H323 Call forward
• H323 Fast start
• Early H245
• H245 tunneling
• H245 multiplex
• H245 DTMF/Q931 DTMF facility
• Q931 signaling port setting
• Dual GK support
• NAT transverse, CITRON
• NAT transverse, AVS
• Fast start with early media channel Rec/Finish
• Peer to Peer H323 call

SIP Features:

• RFC3261, RFC3262, RFC3666, RFC2543；
Proxy and Register
• SIP domain
• Server authentication: none, basic, MD5
• DNS name of SIP server
• SIP signaling port setting
• NAT transverse, STUN
• NAT transverse, SIP Express router
• Pubic Server/ Private server. Can connect to ISP and Private SIP
• server at same time
• Dual public server
• SIP INFO for DTMF, interoperate with CISCO SIP device
• Each password for each number
• SIP Call forward/transfer/holding/waiting
• Peer to peer SIP call

Networks Features:

• WAN/LAN port with Router or Bridge Mode；
• Basic NAT and NAPT
• NAT ALG
• Under Bridge mode, Access internet by using NAT through PPPoE
• PPPoE for xDSL, automatically keep alive
• DHCP Client on WAN
• DHCP server on LAN
• DNS client with 2 servers IP
• DNS relay on LAN
• Auto configuration on LAN for IP and DHCP server
• SNTP
• 802.1P QOS
• 802.1q
• Firewall
• Network utilities: ping, trace route, telnet client

Call Control Features:

• Flexible Dial Map Fix length End with # Dial Map Table Dial with time out；
• Call routing table for Phone Book Multi phone No. for same phone Public No. and Private No. for phone HOTLINE Service, Pick up phone, dial immediately Black list for reject authenticated call Empty calling No. reject service
• Limit dialing out No. list
• No Disturb
• Caller ID display
• Call forward without condition or busy
• Dial out authentication
• Auto written message