Section 700 - Operation Chapter 3. System Features576-36-700 DBS 576 (USA) issued October 2000 3-57• FF1-009: SMDR Output FormatHardware Requirements• A printer or external call accounting system is required to receive SMDR data.Considerations• A call must be answered to generate SMDR data (e.g., answered by voice mail, call pickup, etc.)• You can specify which type of SMDR data format is sent (i.e., either Format 1 - 80 characters orFormat 2 - 120 characters).T1 LineDescriptionThe T-1 line provides up to 24 voice channels over a four-wire circuit. The 576 can support either 8,16, or 24 channels. When the card is set for 16 channels, it occupies two flexible card slots. When thecard is set for 24 channels, it occupies three flexible card slots.Unlike most other cards, the 576’s T-1 cards must be installed in selected flexible card slots. Up tothree T-1 cards can be installed in a single cabinet, and a fully configured six-cabinet system cansupport up to 18 T-1 cards.Hardware Requirements• Digital Service Unit (DSU)• Network Sync CardRelated Programming• FF2: T1-CO LinesConsiderations• The T1 Line proivdes trunk signaling modes for Loop Start, Ground Start, and E&M.• Also see Class of Service - T1 Trunk Ring Back Service Tone on p. 3-16 for more information onT1 Line features.Toll Restriction ServiceDescriptionToll Restriction Service (TRS) allows access levels, including the prohibition of long distance calls orafter-hours calls, to be assigned to specific extensions or CO lines. This minimizes non-businessrelated calls and reduces phone bills by only allowing long distance calls over designated lines.TRS can be used in conjunction with Automatic Route Selection (ARS).• TRS classes are set on an extension and trunk basis. Up to 50 TRS classes can be assigned.• Each TRS class is then assigned to a TRS level. This level is used as the basis for allowing orrestricting calls.
