This page contains links to Performance Measurements Reports, which provide data depicting the quality of service SBC provides local exchange carriers.

In the following table, Ameritech includes sheets for Illinois, Indiana, Michigan, Ohio and Wisconsin. Nevada is Nevada Bell. California is Pacific Bell. S. New England is Southern New England Telephone Company. 

DateAmeritechNevadaCaliforniaS. New EnglandLetter of Transmittal
2004-04-20---------------------------------04-20-04SNET.zip04-20-04LT.doc
2004-02-20---------------------------------02-20-04SNET.zip02-20-04LT.doc
2003-12-22---------------------------------12-22-03SNET.zip12-22-03LT.doc
2003-11-20---------------------------------11-20-03SNET.zip11-20-03LT.doc
2003-10-2010-20-03AIT.zip----------------------10-20-03SNET.zip10-20-03LT.doc
2003-09-2009-22-03AIT.zip----------------------09-20-03SNET.zip09-22-03LT.doc
2003-08-2008-20-03AIT.zip----------------------08-20-03SNET.zip08-20-03LT.doc
2003-07-2107-21-03AIT.zip----------------------07-21-03SNET.zip07-21-03LT.doc
2003-06-2006-20-03AIT.zip----------------------06-20-03SNET.zip06-20-03LT.doc
2003-05-2005-20-03AIT.zip----------------------05-20-03SNET.zip05-20-03LT.doc
2003-04-2104-21-03AIT.zip04-21-03NB.zip04-21-03PB.zip04-21-03SNET.zip04-21-03LT.doc
2003-03-2003-20-03AIT.zip03-20-03NB.zip03-20-03PB.zip03-20-03SNET.zip03-20-03LT.doc
2003-02-2002-20-03AIT.zip02-20-03NB.zip02-20-03PB.zip02-20-03SNET.zip02-20-03LT.doc
2003-01-2101-21-03AIT.zip01-21-03NB.zip01-21-03PB.zip01-21-03SNET.zip01-21-03LT.doc
2002-12-2012-20-02AIT.zip12-20-02NB.zip12-20-02PB.zip12-20-02SNET.zip12-20-02LT.doc
2002-11-2011-20-02AIT.zip11-20-02NB.zip11-20-02PB.zip11-20-02SNET.zip11-20-02LT.doc
2002-11-0211-02-20AIT.zip11-02-20NB.zip11-02-20PB.zip11-02-20SNET.zip11-02-20LT.doc
2002-09-2009-20-02AIT.zip09-20-02NB.zip09-20-02PB.zip09-20-02SNET.zip09-20-02LT.doc
2002-08-2008-20-02AIT.zip08-20-02NB.zip08-20-02PB.zip08-20-02SNET.zip08-20-02LT.doc
2002-06-2006-20-02AIT.zip06-20-02NB.zip06-20-02PB.zip06-20-02SNET.zip06-20-02LT.doc
2002-05-2005-20-02AIT.zip05-20-02NB.zip05-20-02PB.zip05-20-02SNET.zip05-20-02LT.doc
2002-04-2004-22-02AIT.zip04-22-02NB.zip04-22-02PB.zip04-22-02SNET.zip04-22-02LT.doc
2002-03-2003-20-02AIT.zip03-20-02NB.zip03-20-02PB.zip03-20-02SNET.zip03-20-02LT.doc
2002-02-2002-20-02AIT.zip02-20-02NB.zip02-20-02PB.zip02-20-02SNET.zip02-20-02LT.doc
2002-01-2201-24-02AIT.zip01-22-02NB.zip01-22-02PB.zip01-22-02SNET.zip01-22-02LT.doc

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