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Products  >  Unified Communications  >  VoIP Gateways, Routers, IADs, and SBCs  >  BRI VoIP Gateways  >  SmartNode DTA ISDN Terminal Adapter
SmartNode DTA ISDN Terminal Adapter ISDN Terminal Adapter with 1 or 2 BRI ports

The SmartNode DTA (Digital Terminal Adapter) is a VoIP Gateway that connects ISDN terminals on one or two BRI/So ports, and converts up to 4 concurrent voice or fax calls to SIP or H.323.

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Features

Overview

Applications

Specs

Ordering

Services


 
Features
--Image: Made in USA --
  • 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— Interoperable with all major-brand softswitches and a wide range of Internet telephony providers.
  • 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, SIP overlap dialing and much more.
  • Instant ISDN to VoIP Connectivity—Provides one or two internally powered So interfaces for up to 8 terminals. Simultaneously converts up to 4 voice and fax calls to VoIP.
  • High Precision Clock (HP models)—Delivers DECT PBX interoperability with reliable fax and modem performance.
  • Management & Provisioning—Built-in Web-based management, SNMP, command line interface and auto-provisioning for automated configuration distribution and software upgrades. RADIUS for call detail records (CDR) and user authentication.
  • Supported by SmartNode™ Redirection Service: A free service enabling zero-touch mass deployments for Service Providers and Distributors with auto-provisioning servers (Learn More). 

Overview
The SmartNode DTA enables integration of ISDN network users into a local VoIP phone service, or extends an ISDN line of a PBX to a remote site over IP. It offers a simple end-user configuration interface and connects both to a PBX in point-to-point mode and an So bus in point-multipoint mode.

The SN-DTA enables the connection of ISDN terminals or SOHO PBXs to a VoIP network or Internet Telephony Service. It can connect to ISDN PBXs in point-to-point mode and ISDN Terminals in point-multipoint mode (S-Bus) and offers a feature rich configuration interface.

Like every SmartNode the DTA includes intelligent call routing technology with advanced features like number plan adaptations, mappings between ISDN and SIP/H.323, manipulation of call properties through regular expressions, routing calls based on time-of-day or bearer capability criteria and much more.

Key ISDN services such as AOC, PARE, CLIP, COLP, etc. are mapped using industry standard methods to SIP and H.323.

The SN-DTA supports SIP overlap dialing (RFC3578) for countries with dynamic dialplans. The integrated ISDN line-power feeds connected terminals in the same way as a legacy ISDN NT to enable a seamless switchover from an ISDN to VoIP access.

Gateway functions use standard CODECs such as G.711, G.723, G.729, and T.38 fax as well as industry standard SIP and H.323 signaling protocols to ensure seamless connection and compatibility for all voice services. Comprehensive quality of service (QoS) features offer traffic classification and tagging options that include TOS, DiffServ and VLAN 802.1p/Q tagging.


Applications
SmartNode DTA application diagram


Ordering
# Model # Description Availability
1 SN-DTA/1BIS2V/EUI SmartNode ISDN BRI VoIP Terminal Adapter, 1x BRI/So NT with phantom power, 2 voice/fax calls, 1x 10/100 Ethernet, external UI power (100240 VAC), General Availability
 
 Accessories
2 SN-DTA/2BIS2V/EUI SmartNode ISDN BRI VoIP Terminal Adapter, 2x BRI/So (1xNT, 1xTE) with fallback relay and phantom power on NT port, 2 voice/fax calls, 1x 10/100 Ethernet, external UI power (100240 VAC), 1 year warranty. General Availability
 
 Accessories
3 SN-DTA/2BIS4V/EUI SmartNode ISDN BRI VoIP Terminal Adapter, 2x BRI/So NT with phantom power, 4 voice/fax calls, 1x 10/100 Ethernet, external UI power (100240 VAC), 1 year warranty. General Availability
 
 Accessories
4 SN-DTA/2BIS4VHP/EUI SmartNode VoIP GW, 2 BRI NT, 4 VoIP Calls, 16 SIP Sessions (SIP b2b UA) not upgradeable, 1x Fast Ethernet, High Precision 5ppm Clock, external UI power (100240 VAC) NA/EU General Availability
 
 Accessories

 
SmartNode™ Awards

VoIP Gateway | SmartNode DTA ISDN Terminal Adapter

The SmartNode DTA (Digital Terminal Adapter) is a VoIP Gateway that connects ISDN terminals on one or two BRI/So ports, and converts up to 4 concurrent voice or fax calls to SIP or H.323.

 

 
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