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- Seamless voice and data integration over VoIP-based network architectures
- Compatible with soft switches and call agents
- Dynamic bandwidth allocation affords more efficient utilization
- Integral full-featured IP router for data support and Internet access
- Rugged metal case
- Feature-rich ADTRAN Operating System (AOS)
The Total Access 900 Series provides carriers the ability to deliver Session Initiated Protocol (SIP) trunks, hosted PBX, and other voice and data services such as Dedicated Internet Access (DIA) to small and medium businesses without requiring new phone system investment. Carriers benefit from features such as dynamic bandwidth allocation and G.729a voice compression technology, reducing leased line backhaul costs. End users benefit from the additional VoIP services while making use of their existing equipment, migrating from TDM to VoIP at their own pace. These IADs are the first to incorporate the ADTRAN Operating System (AOS), a fully featured, scalable operating system used in ADTRAN internetworking systems.
The Total Access 900 Series utilizes SIP for VoIP applications, providing interoperability with industry-leading softswitches, feature servers, and gateways. Acting as a SIP gateway, these devices convert SIP signaling from the carrier into traditional TDM analog and digital voice services. This functionality allows the Total Access 900 Series to deliver voice services to both IP phones and traditional telephony equipment simultaneously. For customers implementing a hosted PBX or IP Centrex service, the Total Access 900 Series is ideal for providing customers additional analog ports necessary to support their remaining analog phones, fax machines, or modems. The Total Access 900 Series supports many popular calling features such as caller ID, call hold, forward, transfer, and call waiting.
In addition, the Total Access 900 Series can act as a registrar and Back-to-Back User Agent (B2BUA) to facilitate remote survivability and Network Address Translation (NAT) traversal. In the event of a service interruption on the WAN or if the carrier's call agent were to become unavailable, calls may continue locally at the customer premise between IP-based or analog phones. Voice Activity Detection (VAD) and silence suppression are supported and the flexible design allows the Total Access 900 Series to support additional CODECs as the market requires.