Exhibit23-b
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” in this Registration Statement (FormS-3 filed on or about May 13, 2019) and related Prospectus of AT&T Inc. (AT&T) for the registration of debt securities, preferred stock, depositary shares and common stock and to the incorporation by reference therein of our reports dated February 22, 2018, with respect to the consolidated financial statements, and the related notes and the supplementary information, and financial statement schedule of Time Warner Inc. and the effectiveness of internal control over financial reporting of Time Warner Inc., included in its Annual Report on Form10-K of Time Warner Inc., for the year ended December 31, 2017, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
New York, New York
May 13, 2019
