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The SmartNode 4650 ADSL ISDN VoIP IAD, with up to 5 BRI ports and 8 simultaneous voice channels, is the best way to connect ISDN networks to the world of voice over IP. Using integrated ADSL2+ broadband access, it delivers converged voice and data services that exceed ISDN standards.
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	Features & Benefits 3/5 Ports BRI ISDN VoIP—3 or 5 ISDN BRI So ports, 4 or 8 low bandwidth voice or T.38 fax calls. Advanced adaptive traffic management and shaping for maximum voice quality. Voice prioritization and DownStreamQoS™. ADSL2+ Broadband Access—Complete access router with integrated ADSL2+ WAN interface. Up to 24 Mbps downstream throughput, supporting ATM QoS. Multiple PVC, VLAN, and DSLAM interoperability. Full Telephony Features—SessionRouter™ allows flexible call routing and numbering plan adaptations, CLIP/CLIR, hold, AOC transfer, and much more. Management & Provisioning—Web-based management, SNMP, command line interface, and auto-provisioning for automated configuration and software upgrades. Full VoIP Protocol Support—SIPv2, H.323v4, MGCP/IUA, ISDN, DSS1, QSIG*, T.38, fax and modem bypass, DTMF relay. Outstanding Interoperability—Interoperable for voice and T.38 fax with leading SIP service providers, softswitch vendors, and Asterisk™ IP-PBX.