1Software Support three SIP accounts at the same time. Support NAT DHCP client and server Support PPPoE Upgrade firmware through FTP, TFTP or HTTP. Support major G7. Xxx CODEC. VAD, CNG. G.165 compliant 16ms echo cancellation Tone generation and Local DTMF regeneration according with ITU-T E.164 dial plan and customized dial rules Support inband audio, RFC2833, SIP info and for DTMF transfers mode. Hotline Call forward, Transfer, 3-way conference calls Caller ID display Support Dial-Peer, Digital Map Support Dial with IP address DND(Do Not Disturb), Ban Outgoing, Black List, Limit List Web management. Telnet remote management 2 Standard and Protocols IEEE 802.3 /802.3 u 10 Base T / 100Base TX PPPoE: PPP Protocol over Ethernet DHCP Client and Server: Dynamic Host Configuration Protocol Support G.711a/u, G729A/B, G723 audio codec SIP RFC3261, RFC3262, RFC3666, RFC2543 TCP/IP: Internet transfer and control protocol RTP: Real-time Transport Protocol RTCP: Real-time Control Protocol Telnet: Internet''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s remote login protocol DNS: Domain Name Server TFTP: Trivial File Transfer Protocol HTTP: Hyper Text Transfer protocol FTP: File Transfer protocol 3 Operating requirement Operation temperature: 0 to 40'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' C (32'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' to 104''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''F) Storage temperature: -30'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' to 65'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' C (-22'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' to 149'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' F) Humidity: 10 to 90% no dew 4 Hardware Specification CPU Infineon PSB21553 150MHz SDRAM 8M Bytes Flash 2M Bytes Lcd 64x128 pixel Graphical LCD Interface 2xRJ45 10/100M FE Phone Case 25-button keypad 12-digit caller ID LCD Adapter In: 100-240V AC Out: 5V DC, 1500mA 5 Package Size: 19.5cm*18.5cm*4.5cm Packing List ZP202 IP Phone X 1 One Power adaptor One CD