SIP IP Phone with PSTN support For a cost-effective and high performance VoIP communications today, PLANET introduces the VIP-254NT, the SIP IP Phone with PSTN support, to fulfill the VoIP deployment needs from ITSP, enterprises to home. The built-in PSTN interface provides user more convenience between IP Phone and PSTN call selections. The VIP-254NT features high-quality speakerphone technology and provide various voice services including speaker on / off, call hold, call transfer and 3-Way conference with userfriendly speed dial button design. It also has additional features such as built-in PPPoE / DHCP clients, password-protected machine management, LCD menu display, last number redial, incoming message indicator, and user-intuitive web administration system. The VIP-254NT brings the benefits of VoIP technologies to your daily life. It is the SIP IP phone featuring self-contained, service-integrated, intelligent phone functions, and powerful voice processing. The VIP-254NT can effortlessly deliver toll voice quality equivalent to the regular SIP protocol connections by utilizing cutting-edge Quality of Service, echo cancellation, comfort noise generation (CNG) and voice compensation technology. Meanwhile, the dual Ethernet interfaces on the IP Phone allow users to install it in an existing network without interfering with desktop PC network connections. The VIP-254NT is an ideal solution for office / home use as well as for Internet Telephony Service Provider (ITSP). •• Built-in phone book / Speed dial •• Call Hold / Waiting / Transfer / Forward •• Supports STUN, Outbound Proxy •• Selective PSTN / VoIP voice communications •• Incoming / Outgoing / Miss Call record •• PSTN / VoIP incoming call alerting •• Up to 5 Proxy server registrations Applications VIP-254NT communications via PSTN

Networking & Communication VIP-254NT Enterprise IP PBX Deployment with VIP-254NT IP Phone IP PBX Specification Switch 100Base-TX UTP J Telephone wire Voice codec Voice Standard Supplementary services Call history SIP 2.0 (RFC3261), MD5 for SIP authentication (RFC2069/ RFC 2617), SIP outbound proxy, SIP NAT Traversal Support STUN (RFC3489) SIP 1.0 (RFC2543), SIP 2.0 (RFC3261), TCP/IP, UDP/RTP/RTCP, HTTP, ICMP, ARP, RARP, DNS, DHCP, SNTP, PPPoE Voice activity detection (VAD) Comfort noise generation (CNG) Acoustic echo canceller (AEC) G.165: Line echo canceller (LEC) Jitter Buffer Caller ID Immediate...