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| The SmartNode™ 4120 ISDN BRI PSTN Gateway converts up to four simultaneous phone or T.38 fax calls from SIP to ISDN BRI. It is a compact reliable standalone VoIP gateway for IP-based voice systems that delivers ISDN performance and quality. |
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Features & Benefits
- Up to Four Simultaneous SIP or T.38 Calls—With 1/2 ISDN So BRI ports and one 10/100Base-TX Ethernet port.
- Proven Interoperability— Standard ISDN compliant and Interoperable with a wide range of IP-PBX and Unified Communication Systems.
- Comprehensive Signaling & Protocol Support—Supports SIP, H.323, ISDN telephony plus T.38 and SuperG3 FAX over TDM/PSTN and IP/Ethernet services simultaneously.
- Transparent ISDN Features—Complex number manipulation and mapping for seamless integration with existing infrastructures, CLIP, CLIR, AOC, PARE, hold, transfer and much more.
- Management & Provisioning—Built-in Web-based management, SNMP, command line interface (CLI) and auto-provisioning for automated configuration distribution and software upgrades. RADIUS for call detail records (CDR) and user authentication.
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