Conference Me In offers one-touch dialing that simplifies the process of joining conference calls and eliminates human errors and forgotten numbers.
iPhone and iPad apps tagged "conference calls."
CrowdCall Offers Free Conference Calls Worldwide
Being a business owner who has clients in various cities who in turn have offices in several locations, conference calls are a must. Sure, we Skype every once in a while, but having more than a few participants requires that we use a conference line.