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Optimized for secure, IPsec-encrypted voice-and-data processing, the SmartNode 4562 voice-over-VPN router for ISDN users delivers cost-saving, revenue-generating VoIP to carriers and enterprises.
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	Features & Benefits Accelerated Voice over VPN—Encrypts voice, signaling and data traffic over IP networks with IPsec, AES, 3DES and IKE. Complete access router with NAT, firewall, PPPoE, DHCP and DynDNS. Full SIP and T.38 support—Complete range of industry standard signaling protocols supported: SIPv2, H.323v4, DSS1, Euro-ISDN, VN4, T.38 fax, fax and modem bypass, DTMF relay. Toll-Quality VoIP—Advanced traffic management and shaping, combined with Patton’s patent-pending DownStream QoSTM enforce uninterrupted toll-quality voice over best-effort networks. Transparent Telephony Features—Preserves ISDN features like caller ID and name (CLIP/CLIR), call transfer, hold, waiting, AOC and much more. Handles complex number manipulation for most seamless integration with existing infrastructure. Management & Provisioning—Web-based management, SNMP, Command Line Interface. Automated Provisioning for easy large-scale deployments.