ntrol Protocol (RFC 793). UDP – User Datagram Protocol (RC 768). ICMP – Internet Control Message Protocol (RFC 792). RARP – Reverse Address Resolution Protocol (RFC 903). ARP – Address Resolution Protocol (RFC 826). DNS – Domain Name Server. DHCP Client – Dynamic Host Control Protocol (RFC 2131). NTP – Network Time Protocol (RFC 1305). SNTP – Simple Network Time Protocol (RFC 2030). STUN – Simple Traversal of UDP over NATs (RFC 3789). HTTP – HyperText Transfer Protocol. TFTP – Trivial File Transfer Protocol (RFC 1350). Voice Codecs : G.711 – Pulse Code Modulation. iLBC (Internet Low Bitrate Codec). G.729. Telephony : Q.24 DTMF generation and detection. Configurable tone frequency and on/off cadence generation. Caller ID Generation and Detection (Type I and II). 3-way conference calling with local mixing. Message waiting indicator light. G.711 Fax Pass-through. CLASS feature support. G.165, G.168 compliant line echo cancellation. Nonlinear echo cancellation. Double talk detection. Quality of Service Support : Layer 2 Class-of-Service (CoS) Tagging (802.1P). Layer 2 (802.1Q VLAN). Layer 3 Type-of-Service (ToS) Tagging (RFC 791/1349). Layer 3 DIFFServ (RFC 2475) i 0fo. Security : Provisioning/Configuration/Authentication. Password-protected, Web based administration. ARC4 Encryption for TFTP Configuration Profiles. Authentication (Digest using MD5). Size : 14.6 cm X 11.2 cm X 2.8 cm (5.7 inches X 4.4 inches X 1.1inches). Warranty : Two years limited warrranty. Minimum Requirements : High speed Internet connection (typically a DSL or data-over cable connection). A router or gateway to share the broadband Internet connection. A Touchtone telephone (conventional analog phone) or a fax machine. CD ROM drive in a personal computer which supports a Web browser (Windows, Macintosh, Linux or other) and is connected to the router. Package Contents : VoIP telephone adapter. Power adapter. Quick Start Guide. CD ROM. Ethernet cable. Phone cord. References : | Zoom Company Website

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