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Integrated Services Digital Network (ISDN)
Overview
AT&T’s ISDN Primary Rate Interface (PRI) service uses the public telephone network to carry an all-digital signal that can satisfy your company’s voice and data communications needs in the most efficient, flexible way possible. With PRI service you can:
Combine voice and data communications with the flexibility to add capacity when you need it.
Re-allocate capacity at any time.
Expect up to 1.544 Mbps of capacity – the equivalent of a T1 line.
Description
ISDN PRI is a high-speed digital connection for voice and data between your PBX and the AT&T public switched telephone network. It consolidates 23 voice or data service channels on one 1.544 Mbps transport line into a PBX or computer network. It simplifies PBX access to many applications, including LAN-to-LAN connectivity and videoconferencing. When used for trunking, you can improve PBX capacity and can transmit voice, WATS, toll-free and circuit-switched data calls. With dynamic call allocation you can use the same line for different voice or data applications as needed.
Features & Options
Any channel can carry any kind of connection, eliminating single-purpose trunks such as Direct Inward Dial (DID), Direct Outward Dial (DOD), and dedicated video or data lines.
If data is your main communication need, the inward data option supports analog, digital data calls, and a digital data only option.
Carry signaling information over a separate channel and speed up the origination, termination, or any other changes required to process your calls.
Allocate more channels to an application in multiples of 64 Kbps.
A specialized ISDN-based trunking solution, PrimeConnect PRI is available for applications and locations that receive very high volumes (200,000 to 400,000 minutes per month) of inbound-only traffic.
Benefits
Nationwide coverage with a competitive pricing structure
The ability to support multiple call types makes the most efficient use of your available bandwidth
Unsurpassed performance that comes with 100% digital connectivity
Faster call set up time
Support provided by AT&T's industry-leading 24 hour network monitoring and management center
Automatic call-by-call channel allocation makes the best use of available capacity
Availability
AT&T offers ISDN Primary Rate Interface service within AT&T's regional service areas, and nationally in select cities.
ISDN Primary Rate Interface (PRI) – PRI service within AT&T’s 22 state local operating area.
ISDN Primary Rate Interface (PRI): PrimePlex or PrimeConnect - PRI service in select cities nationally.
To request additional information or to speak with a member of our award winning AT&T Solution Provider team, please call (888)872-5619, Monday-Friday 8am-6pm C.S.T., or email ATT@alliancedatacom.com
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