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.The telephone companies would provide billing services for chat line companies.
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.
Leonard recorded her own voice informing callers of the contents of the next issue of High Society magazine before its publication.
Later she recorded others such as Annie Sprinkle "talking sexy".
All have some way for a provider to post a picture and some text.
Big platforms as of 2016 are Niteflirt, Talkto Me, and My Phone Site; the latter also includes provision by which a manager, with the consent of the providers, could have a virtual shop with many providers under them. Customers had a variety of payment options, and pages of providers to choose from, sometimes with voice samples available.