Primary Rate ISDN (PRI)
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AT&T Primary Rate ISDN (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
AT&T Primary Rate ISDN (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 1.54 Mbps of capacity - the equivalent of a T-1 line.
PRI service boasts:
- 23 channels available to support voice, data, and video services that can be easily combined or re-allocated for greater flexibility
- A 24th channel to support signaling between your equipment and the AT&T networ
Features
- Carry the signaling information over a separate channel and speed up the origination, termination or any other changes required to process your calls
- Any channel can carry any type of connection, eliminating single-purpose trunks such as Direct Inward Dial (DID), Direct Outward Dial (DOD), and dedicated video or data lines
- Allocate more channels to an application in multiples of 64 Kbps
- If data is your main communication need, the inward data option supports analog, digital data calls, and a digital data only option
Benefits
- If your company's primary needs are voice communications, replacing standard single-purpose trunks with PRI service can result in significant savings
- Increase the speed and flexibility of LAN access without dedicated lines
- Bandwidth on an as needed basis