VoIP-телефон

Features: 1) Standard communication protocols 2) High quality voice 3) Supports G.711A,G.711U,G.723.1,G.729A/Ab and other encoding anddecoding methods 4) Supports 802.1Q VLAN, 802.1p, IP TOS and other second and third QOSguarantee protocols 5) Supports static IP configuration, DHCP, PPPoE and other IP capturingmethods 6) Supports static NAT configuration 7) Keep alive 8) Timely registration within adjustable time period 9) Supports all kinds of DTMF transferring modes of inner bands and outerbands 10) Set-in self-adjustably extending Ethernet exchanging port, no layoutlines needed 11) Multi-server, multi-accounts saving 12) Supports editing and managing the contact list via WEB interface 13) Supports number classification, ring tone classification and speed-dial,enhancing the dialing function 14) User can press the phone-lock key to lock the phone and prevent dialingwithout permission after user is out of the office 15) Incoming call strategy configuration: call maintenance, call transfer,three-way calling, tele-conference and other advanced functions aresupported; shortcut keys are also available to enhance the operatingexperience LCD displays caller ID, call duration, call records, call status,system time display and other powerful functions to better theperformance 16) Supports configuration and update based on WEB graphics, easy tomaintain and manage