| | 1: |  | Title:   |  |   |  |   | Volume/Number:   | 2011  |   |  |   | Issuing Agency:   |  |   |  |   | Description:   | Illinois Bell Telephone Company and XO Communications Services, Inc:    Joint Petition for Approval of 23rd Amendment to the Interconnection Agreement dated April 11, 2011, pursuant to 47 U.S.C.  252. |   |  |   | Date Created:   | 05 18 2011 |   |  |   | Agency ID:   | 11-0347 |   |  |   | ISL ID:   | 000000036066   Original UID: 17190 FIRST WORD: Order |   |  
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