1 Overview 1.1 General Information

EP-636 is a low-priced IP telephone developed by HyberTone Company himself. It is compatible with H.323 V4 and SIP V2, possessing single file of English letters and single file of digital LCD displayer and achieving full dulplex hands-free call. When it is disposed into H.323, EP-636 can cooperate with GK and GW of most H.323. It also has perfect H.450 protocol to complete all telecom value-added services such as call transfer, call forward, call waiting, etc.. Cooperating with soft exchange system, it can totally replace traditional PBX or KEY LINE PHONE. It can also be used as LAN phone or hot-line phone. When it is disposed into SIP, EP-636 can cooperate with most SIP system. Besides having popular g.723 and g.729, it can use low-priced GSM voice compression algorithms. This model is the first-selected one for telecom operators and the main type exported by HyberTone Company.

1.2 ComplianceSIP 2.0H323 V4 StandardTransmission Control Protocol/ User Datagram Protocol/ Internet Protocol (TCP/UDP/IP)Real Time Protocol (RTP)Hyper Text Transfer Protocol (HTTP)Address Resolution Protocol (ARP) Domain Name System (DNS) Dynamic Host Control Protocol (DHCP) Network Time Protocol (NTP) G.711 a-law and u-law, GSM, G.723, G.729a/b/ab Voice CodecCaller ID Display or Block, Call Waiting, Call Hold, Call Transfer, Call Forward, in-band and out-of-band DTMF (RFC2833), and Dial PlansConferencing, hands-free loudspeaker, phonebook, last number redial, call log, volume control, and voicemail message indicatorBASIC and DIGEST authentication (MD5, MD5-sess)Proprietary Firewall-Pass-Through TechnologySimple Traversal of UDP over NAT (STUN)Web-base ManagementPPP over Ethernet (PPPoE)PPP Authentication Protocol (PAP)Internet Control Message Protocol (ICMP)TF TP ClientUser account authentication using MD5Out-band DTMF Relay: RFC 2833 and SIP Info1.3 Hardware CharacteristicsARM9 133MHZ Processor for high performanceDSP for voice codec and voice processingTwo 100BaseT Ethernet ports in comply with IEEE 802.3 for both LAN and PC connection.LEDs for Ethernet port status128x64 dot-matrix LCD display for manual access and phone operation.Ethernet BridgeRAM (16M)FLASH (4M)Power Adaptor (120V DC/500mA)Working Temperature (0-45 degree centigrade)Working Humidity (40%-90% not congealed)Weight (650g)Authentication (FCC CE) 1.4 Software CharacteristicsLINUX OSBuilt-in HTTP, TELNET, COM Port, Phone Manual for accessing internal parametersPPPoE dial upNAT Broadband Router functionsDHCP ClientDHCP ServerFirmware On-line upgradePhone BookMemory DialCaller IDMultiple Language Support

1.5 Pictures