Main Chipset

Large dot matrix LCD display and softkeys make user easier to use
2 headset interface ( 3.5mm Jack or RJ9 connector)
6 memory keys
Support POE
Multilanguage realizes localization
SIP application: support call forward/ transfer/ holding/ waiting/conference/ paging and intercom
Call control features: flexible dial map, hotline, empty calling no. reject service, black list for reject authenticated call, limit call, no disturb, caller ID
Incoming calls /outgoing calls / missing calls each support 100 records
Support Phone Book 500 records
Support conference and voice record on SIP server
Support SMS

Functions

Support SIP 2.0 (RFC3261) and correlative RFCs
Support IAX2
SIP supports 3 SIP servers. Can connect to 3 SIP servers at the same time.
Codec:G.711A/u, G.7231 high/low, G.729a/b, G.722
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
Full duplex hands-free speakerphone
SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call
DTMF MODE:support DTMF_RELAY, SIP_INFO, RFC_2833

Spec

Interface:1 WAN,1LAN,2 Headsets,POE(optional)
Support:3 SIP accounts and IAX2