00728oam 2200157z- 450 996280615103316(CKB)384000000018391120170717c2010uuuu -u- -engIEEE Std 269-2010 (Revision of IEEE Std 269-2002) - Redline: IEEE Standard Methods for Measuring Transmission Performance of Analog and Digital Telephone Sets, Handsets, and Headsets - RedlineIEEEIEEE Std 269-2010 DOCUMENT996280615103316IEEE Std 269-2010 (Revision of IEEE Std 269-2002) - Redline: IEEE Standard Methods for Measuring Transmission Performance of Analog and Digital Telephone Sets, Handsets, and Headsets - Redline2573880UNISA