Description
Audio Features
- Full-duplex hands-free speakerphone with AEC
- Codecs: G.722 ( Wideband), G.711(A/µ), G.723, G.729AB, G.726
- DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
- VAD, CNG, AEC, PLC, AJB, AGC
Directory
- Local phonebook up to 1000 entries
- Blacklist
- XML/LDAP remote phonebook
- Intelligent search method
- Phonebook search/import/export
- Call history: dialed/received/missed/forwarded
Phone Features
- 2 VoIP accounts
- Call hold, mute, DND
- One-touch speed dial, hotline
- Redial, call return, auto answer
- Call forward, call waiting, call transfer
- Group listening, SMS
- Local 3-way conferencing
- Direct IP call without SIP proxy
- Ringtone selection/import/delete
- Keypad lock, emergency call
- Set date time manually or automatically
- Dial plan, XML Browser, action URL&action URI
IP-PBX Features
- Anonymous call, anonymous call rejection
- Message waiting indicator (MWI)
- Voicemail, call park, call pickup
- Intercom, paging, music on hold
- Call completion, call recording, hot-desking
Display and Indicator
- 132×64-pixel graphical LCD
- LED for call and message waiting indication
- Intuitive user interface with icons and soft keys
- National language selection
- Caller ID with name, number
Network and Security
- SIP v1 (RFC2543), v2 (RFC3261)
- IPv6, open VPN
- NAT transverse: STUN mode
- Proxy mode and peer-to-peer SIP link mode
- IP assignment: static/DHCP/PPPoE