Document Record Date Filed: 3/17/2006 3:53:48 PM View Document Document Type: TRF-Tariff Link to Document: View Document Number of pages: 3 Case Numbers: 83-0464-TP-COI 90-5032-TP-TRF Summary: Transmittal No. 1531, FCC No. 2 tariff, to introduce Flex Ring and DS3 Transmux as new features of Dedicated SONET Ring Service (DSRS), filed on behalf of (SBC) AT&T Ohio by S. Drombetta. Source File(s):