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                                                                      EXHIBIT 23

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

     We hereby consent to the incorporation by reference in the Registration
Statements on Form S-3 for the Shareowner Dividend Reinvestment and Stock
Purchase Plan (Registration No. 333-00573), Form S-8 for the AT&T Long Term
Savings and Security Plan (Registration No. 333-47257), Forms S-8 for the AT&T
Long Term Savings Plan for Management Employees (Registration Nos. 33-34264,
33-34264-1, 33-29256 and 33-21937), Form S-8 for the AT&T Retirement Savings and
Profit Sharing Plan (Registration No. 33-39708), Form S-8 for Shares Issuable
Under the Stock Option Plan of the AT&T 1987 Long Term Incentive Program
(Registration No. 333-47251), Form S-8 for the AT&T of Puerto Rico, Inc. Long
Term Savings Plan for Management Employees (Registration No. 33-50819), Form S-8
for the AT&T of Puerto Rico, Inc. Long Term Savings and Security Plan
(Registration No. 33-50817), Post-Effective Amendment No. 1 to Form S-8
Registration Statement (Registration No. 33-54797) for the AT&T 1996 Employee
Stock Purchase Plan and Form S-8 for the AT&T 1996 Amended Employee Stock
Purchase Plan (Registration No. 333-104166), Form S-8 for the AT&T Shares for
Growth Program (Registration No. 333-47255), Forms S-8 for the AT&T 1997 Long
Term Incentive Program (Registration Nos. 333-43440 and 33-28665), Form S-3 for
the AT&T $2,600,000,000 Notes and Warrants to Purchase Notes (Registration No.
33-49589), Form S-3 for the AT&T $3,000,000,000 Notes and Warrants to Purchase
Notes (Registration No. 33-59495), Post-Effective Amendment Nos. 1, 2, 3, 4 and
5 on Form S-8 to Form S-4 Registration Statement (Registration No. 33-52119-02),
the McCaw Cellular Communications, Inc. Equity Purchase Plan (Registration No.
33-52119-04) and the McCaw Cellular Communications, Inc. Employee Stock Purchase
Plan (Registration No. 33-52119-05), respectively, Post Effective Amendment Nos.
1, 2, 3, 4 and 5 on Form S-8 to Form S-4 Registration Statement (Registration
No. 333-49419) for the Teleport Communications Group Inc. 1993 Stock Option Plan
(Registration No. 333-49419-01), ACC Corp. Employee Long Term Incentive Plan
(Registration No. 333-49419-03), and in Post-Effective Amendment Nos. 1 and 2 on
Form S-8 to Form S-4 Registration Statement (Registration No. 333-70279) for the
Tele-Communications, Inc. 1998 Incentive Plan, the Tele-Communications, Inc.
1996 Incentive Plan (Amended and Restated), the Tele-Communications, Inc. 1995
Employee Stock Incentive Plan (Amended and Restated), the Tele-Communications,
Inc. 1994 Stock Incentive Plan (Amended and Restated), the Tele-Communications,
Inc. 1994 Non-employee Director Stock Option Plan, the Tele-Communications
International, Inc. 1996 Non-employee Director Stock Option Plan, the
Tele-Communications International, Inc. 1995 Stock Incentive Plan (Registration
No. 333-70279-01), the Liberty Media 401(K) Savings Plan, the TCI 401(K) Stock
Plan (Registration No. 333-70279-02), Post Effective Amendment No. 1 on Form S-8
to Form S-4 Registration Statement for the MediaOne Group 1999 Supplemental
Stock Plan and the Amended MediaOne Group 1994 Stock Plan (Registration No.
333-86019-1), Post Effective Amendment No. 2 on Form S-8 to Form S-4
Registration Statement for MediaOne Group 401(K) Savings Plan (Registration No.
333-86019-2), Form S-8 for the AT&T Broadband Deferred Compensation Plan
(Registration No. 333-53134), Post Effective Amendment No. 1 to Form S-8 for
AT&T Senior Management Incentive Award Deferral Plan and AT&T Deferred
Compensation Plan for Non-Employee Directors (Registration No. 333-61676-1),
Form S-8 for AT&T Senior Management Incentive Award Deferral Plan and AT&T
Deferred Compensation Plan for Non-Employee Directors (Registration No.
333-61676), Form S-3 for the Redemption of TCI Preferred Securities
(Registration No. 333-73120-01), Amendment No. 1 to Form S-3 for the Redemption
of TCI Preferred Securities (Registration No. 333-73120-02), Amendment No. 2 to
Form S-3 for the Redemption of TCI Preferred Securities (Registration No.
333-73120-03), Amendment No. 3 to Form S-3 for the Redemption of TCI Preferred
Securities (Registration No. 333-73120-04), Form S-3 for the AT&T Universal
Shelf Registration (Registration No. 333-83174, which supercedes Form S-3 for
the $13,080,000 Debt Securities and Warrants to Purchase Debt Securities
333-71167), Amendment No. 1 to the Form S-3 for the AT&T Universal Shelf
Registration (Registration No. 333-83174-01), Form S-8 for the AT&T Long Term
Incentive Program (Registration No. 333-115909), and Form S-8 for the AT&T Long
Term Savings and Security Plan (Registration No. 333-115908) of our report dated
March 8, 2005 relating to the financial statements, financial statement
schedule, management's assessment of the effectiveness of
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internal control over financial reporting and the effectiveness of internal
control over financial reporting, which appears in this Amendment No. 1 to the
Annual Report on Form 10-K of AT&T Corp.

                                          /s/ PricewaterhouseCoopers LLP

Florham Park, New Jersey
April 28, 2005