The SmartNode™ 4670 offers Broadband Providers flexible combinations of ISDN BRI, analog FXS/FXO, and Ethernet/IP interfaces with G.SHDSL, Fiber, EFM, or ADSL broadband access to deliver a unique, single-box CPE solution allowing Enterprises to IP-enable their legacy ISDN-PBX and analog phone/fax/answeringmachine and audio-intercom systems.

Providing 4 Ethernet, 2 to 8 BRI, 4 to 8 FXS, and up to 4 FXO ports, the SN4670 inter-connects any Ethernet switch, ISDN PBX or IP-data network to support 8 to 16simultaneous VoIP calls using SIP, FXS/FXO or BRI signaling. In addition, the built-in 11.4 Mbps 4-wire G.SHDSL, 11.4 or 22.8 Mbps 8-wire EFM, 100-Mbps fiber, or 24-Mbps ADSL interface provides seamless WAN access.

Like every SmartNode™, the SN4670 supports every industry-standard CODEC to deliver toll-quality voice on every call. Adding session border controllercapabilities, the SN4670 includes IP transcoding for up to 8 SIP channels. The Unified Communications Agent™ (UCA) provides any-to-any multi-path switching(simultaneous SIP, H.323, ISDN, and POTS calls with routing and conversion between TDM/PSTN and IP/Ethernet networks—plus T.38 and SuperG3 FAX). VoIP-over-VPN with voice encryption provides secure voice and data via IPsec with AES/DES strong encryption and automated keying via Internet Key Exchange (IKE). Inaddition, advanced call-router functionality includes least-cost call routing with flexible dialed-number plan support.

The SmartNode survivability suite combines PSTN fallback, SIP Registrar and IP-link redundancy to ensure business continuity in case the IP network fails.Patton’s DownStreamQoS™ delivers the advantage of clear, uninterrupted voice-and-data communication. Furthermore, SmartNode’s unique high-precision clockdelivers first-line IP telephony service in demanding ISDN and DECT environments with reliable FAX and modem performance. In addition, SmartNode delivers asmooth transition to VoIP with strong number portability support accepting incoming calls from the PSTN throughout the VoIP service provider's number portingprocess.

The SmartNode 4670 reduces hardware costs, simplifies network architecture, and streamlines service and deployment for service providers. Providing BRI,FXS/FXO, and 10/100 Ethernet with G.SHDSL, EFM, Fiber, or ADSL broadband access in a single box, the SN4670 delivers secure, prioritized unifiedcommunications.