EX 23
Form 11-K for 2011
File No. 1-8610
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement (Form S-8, No. 333-173078) pertaining to the AT&T of Puerto Rico, Inc. Long Term Savings and Security Plan of our report dated June 22, 2012, with respect to the financial statements and schedule of the AT&T of Puerto Rico, Inc. Long Term Savings and Security Plan included in this Annual Report (Form 11-K) for the year ended December 31, 2011.
Dallas, Texas /s/ ERNST &YOUNG LLP
June 22, 2012
30