Both the federal and many state governments have enacted strict autodialer laws and robocall laws. In particular, many of these rules prohibit the use of autodialers to call cell phones. Under the new FCC rules passed on October 16, 2013, telemarketers may not use an automatic telephone dialing system (ATDS) to call a cell phone without prior express consent.
What is an automatic telephone dialing system? (What is an ATDS?) An automatic telephone dialing system or "ATDS" is a device or software which has the capacity to dial without human intervention. For example, all predictive dialers are ATDS. If your dialing system or CRM has the capacity to dial without human intervention in each individual call, then it is an autodialer/ATDS.
Telemarketing registrations are required by approximately 32 states in the US. The federal government and 12 states also require telemarketers to register to obtain a Do Not Call list. Call centers must obtain telemarketing licenses and telemarketing bonds in the states they call into or from, unless they have a telemarketing exemption.