Later she recorded others such as Annie Sprinkle "talking sexy".

Leonard convinced magazine owner Carl Ruderman to purchase more of these numbers and the business began to be successful using the magazine to promote the service.

AT&T and MCI offered nationwide collection services, with a cap of $50 per call.

The vast majority of modern services in the United States use toll-free numbers whereby clients can dial up to request a call with a particular performer using credit cards, Automated Clearing House systems, and a variety of other billing methods.

In the sex industry, similar platforms emerged facilitating the selling of used panties and other odoriferous garments, and for "cam" video sessions, in which the customer, for a fee, can direct the woman on the video screen, and for a higher fee, have a private connection (no one can see caller or provider except each other).

By the end of the 1980s, nearly all of the major local phone companies in the United States, plus the major long distance carriers, were actively involved in the adult chat line business.

Details vary significantly from one platform to another, but the provider may be given a personal page on the platform to use however she (sometimes he) wishes.

All have some way for a provider to post a picture and some text.

The sexually explicit conversation takes place between two or more persons via telephone, especially when at least one of the participants masturbates or engages in sexual fantasy.

Phone sex conversation may take many forms, including: guided fantasy, sexual sounds, narrated and enacted suggestions; sexual anecdotes and confessions; candid expression of sexual fantasies, feelings, or love, and/or discussion of very personal and sensitive sexual topics.

The telephone companies placed the chat line charges on a customers local phone bill.