AT&T Clec Online




Handbook for Illinois, Indiana, Michigan, Ohio, Wisconsin

Blocking Services

LSR Examples for this product may be found at:

Blocking/Toll Restriction Basic Exchange Resale
Basic Exchange Resale


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Revised: 08/11/08 File 900/976 Blocking
Revised: 01/13/04 File Billed Number Screening
Revised: 02/02/04 File Call Control
Revised: 01/13/04 File Caller ID Blocking
Revised: 01/15/04 File Calling Party Pays
Revised: 07/28/06 File IDDD Blocking
Revised: 09/13/06 File Selective Call Screening
Revised: 01/13/04 File Toll Restriction Service