FICHE TECHNIQUE:
Basic Feature
Support SIP 2.0 (RFC3261) and correlative RFCs
Support IAX2 (Optional)
SIP supports 3 SIP servers. Can connect to these SIP servers at the same time.
Codec：G.711A/u, G.7231 high/low, G.729a/b, G.722,G.726，iLBC，AMR-NB，AMR-WB
Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC) can reach 96ms max filter length in hands-free mode
Support Voice Gain Setting, VAD, CNG
Support jitter buffer and STUN
Full duplex hands-free speakerphone
SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call
DTMF Relay：support inband, SIP info, RFC2833
Support customized music rings
Support SMS based on SIP
Volume(handfree/handset/headset/ring) adjustment
Professional Speaker/HD Voice
Ergonomic handset(acoustical cochlea)
Advanced Application Features
Touched, Large dot matrix LCD display
Friendly graphic menu
Multilanguage realizes localization
SIP application: support
forward/transfer (blind/attended/alert)/ holding/ waiting/ 3 ways conference/ paging and intercom/ call park/ pickup/ join call/ redial and unredial/ click to dial//secondary dialing automatically
Call control features: flexible dial map, hotline, empty calling no. reject service, black list for reject authenticated call, white list, limit call, do no disturb, auto answer, caller ID, CLIR (reject the anonymous call), CLIP (make a call with anonymous), Dial without register
Voice recording during talking/auto answer/local
Predial
Incoming calls /outgoing calls / missing calls. Each support 100 records.
Support Phonebook 1000 records
Phone book records export/import
XMLphone book
Photo frame and media player(mp3)
Usb disk file read/write
System files management
Support VoIP(SIP/RTP) encryption (e.g. RC4)
Network Features
WAN/LAN: support switch mode
Support PoE（802.3af）
Support DHCP Client on WAN
Support main DNS and secondary DNS server
Support VLAN (Optional)
Support NTP Client
Support VPN L2TP , Open VPN/TLS, SRTP, HTTPS(Optional)
Support QoS with DiffServ
Support MD5 authentication
Network tools in telnet server: including ping, trace route, telnet client
Maintenance and Management
Linux 2.6 OS
Web ,telnet and keypad management
Management with different account right
Support automatic upgrades/configuration deployment
Support encrypted configuration files download with AES
Support pushing message