Local phone services - Local ISDN/PRI

Local or Long Distance ISDN/PRI                                                    Quote Now

**Has all the same features and benefits as a T-1 except one less channel used for voice traffic
* Can be dedicated for local or long distance


(Definition) Works similar to a T-1 line/ Primary rate interface (PRI) is a form of ISDN (Integrated service digital network) with 23 paths for voice, video and data (not Internet) and one channel for signals. Each of the 24 channels transmits at 64 kilobits per second.

(Feature) The most commonly used feature of a PRI is Caller ID, although it is possible to use caller ID with a Traditional T-1 it is vary uncommon and the customer is limited to the information they receive. For example a company that receives heavy volumes of calls from vendors or who only take calls from certain callers use the ISDN features to screen calls.

(Feature) A second feature of a PRI is video conferencing at speeds generally from 128 KBPS to 384 KBPS. Note (this is not used for video conferencing units that require the use of full-time ISDN service)


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