Phone Features
   
    2 VoIP accounts, hotline, emergency call
   
    Call waiting, call transfer, call forward
   
    Hold, mute, flash, auto-answer, redial
   
    3-way conference, DND, speed dial
   
    Phonebook import/export, call history
   
    Volume adjustment, ring tone selection
   
    Tone scheme, System log
   
    Multi-language (more than 20) 
      
     
      
     
   
    IP PBX System Integration
   
    Dial plan, dial-now
   
    Voicemail, MWI
   
    Intercom, Paging
   
    Call park, call pickup
   
    Distinctive ringtone 
      
     
      
     
   
    Codecs and Voice Features
   
    Wideband codec: G.722
   
    Narrowband codec: G.711, G.723.1, G.726, G.729AB
   
    VAD, CNG, AEC, PLC, AJB, AGC
   
    Full-duplex hands-free speakerphone with AEC 
      
     
      
     
   
    Network Features
   
    SIP v1 (RFC2543), v2 (RFC3261)
   
    NAT Traversal: STUN mode
   
    DTMF: In-Band, RFC2833, SIP Info
   
    Proxy mode and peer-to-peer SIP link mode
   
    IP Assignment: Static/DHCP/PPPoE
   
    TFTP/DHCP/PPPoE client
   
    HTTP/HTTPS server
   
    DNS client
   
    NAT/DHCP server 
      
     
      
     
   
    Management
   
    FTP/TFTP/HTTP/PnP auto-provision
   
    Configuration: browser/phone/auto-provision
   
    Direct IP call without SIP proxy
   
    Dial number via SIP server
   
    Dial URL via SIP server
   
     
        
       Security
   
    HTTPS (server/client)
   
    SRTP (RFC3711) 
   
    Transport Layer Security (TLS)
   
    VLAN (802.1 pq), QoS
   
    Digest authentication using MD5/MD5-sess
   
    Secure configuration file via AES encryption
   
    Phone lock for personal privacy protection
   
    Admin/user configuration mode 
      
     
      
     
   
    Physical Features
   
    TI TITAN chipset
   
    3-line LCD with an icon line and 2x15 characters lines
   
    31 keys including 9 function keys
   
    4 LEDs: 1xpower, 2xline, 1xmessage
   
    1xRJ9 handset port
   
    1xRJ9 headset port