Tex. Utilities Code § 58.151

The following services are classified as nonbasic services:

(1) flat rate business local exchange telephone service, including primary directory listings and the receipt of a directory, and any applicable mileage or zone charges, except that the prices for this service shall be capped until September 1, 2005, at the prices in effect on September 1, 1999;

(2) business tone dialing service, except that the prices for this service shall be capped until September 1, 2005, at the prices in effect on September 1, 1999;

(3) service connection for all business services, except that the prices for this service shall be capped until September 1, 2005, at the prices in effect on September 1, 1999;

(4) direct inward dialing for basic business services, except that the prices for this service shall be capped until September 1, 2005, at the prices in effect on September 1, 1999;

(5) "1-plus" intraLATA message toll services;

(6) 0+ and 0- operator services;

(7) call waiting, call forwarding, and custom calling, except that:

(A) residential call waiting service shall be classified as a basic network service until July 1, 2006; and

(B) for an electing company subject to Section 58.301, prices for residential call forwarding and other custom calling services shall be capped at the prices in effect on September 1, 1999, until the electing company implements the reduction in switched access rates described by Section 58.301(2);

(8) call return, caller identification, and call control options, except that, for an electing company subject to Section 58.301, prices for residential call return, caller identification, and call control options shall be capped at the prices in effect on September 1, 1999, until the electing company implements the reduction in switched access rates described by Section 58.301(2);

(9) central office based PBX-type services;

(10) billing and collection services, including installment billing and late payment charges for customers of the electing company;

(11) integrated services digital network (ISDN) services, except that prices for Basic Rate Interface (BRI) ISDN services, which comprise up to two 64 Kbps B-channels and one 16 Kbps D-channel, shall be capped until September 1, 2005, at the prices in effect on September 1, 1999;

(12) new services;

(13) directory assistance services, except that an electing company shall provide to a residential customer the first three directory assistance inquiries in a monthly billing cycle at no charge until July 1, 2006;

(14) services described in the WATS tariff as the tariff existed on January 1, 1995;

(15) 800 and foreign exchange services;

(16) private line service;

(17) special access service;

(18) services from public pay telephones;

(19) paging services and mobile services (IMTS);

(20) 911 services provided to a local authority that are available from another provider;

(21) speed dialing;

(22) three-way calling; and

(23) all other services subject to the commission's jurisdiction that are not specifically classified as basic network services in Section 58.051, except that nothing in this section shall preclude a customer from subscribing to a local flat rate residential or business line for a computer modem or a facsimile machine.