Open Question: Are there telemarketing jobs online where you can do at home? or do you hve to go to Convergys or like that?

Are there telemarketing jobs online where you can do at home? or do you hve to go to Convergys or like that? Can you do telemarketing at home and they pay you a certain amouint or do you have to find a place like convergys; any help would be appreciated; does anyone know anything specific or a place to go online; thanks