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automatic telephone dialing system ("ATDS")
Home » Automatic Telephone Dialing System (ATDS)

Automatic Telephone Dialing System (ATDS)

posted on April 16, 2022

An automatic telephone dialing system (or “ATDS”) is a special type of dialing system that has been highly regulated by the TCPA.

To qualify as an “automatic telephone dialing system,” a device must have the capacity either to store a telephone number using a random or sequential generator or to produce a telephone number using a random or sequential number generator.”

As a result, predictive dialers that generate numbers randomly are ATDS systems and must be carefully used. For the most part, modern ACDs and predictive dialing systems do not randomly generate numbers to call and are arguably not ATDS systems as defined by the TCPA.

However, call centers that use predictive or auto diallers should carefully review the current state of the law in this area as it changes frequently.


Related Definitions:

  1. Abandoned Calls Abandoned calls are calls that were answered by the phone system (such as the ACD) but never reached a call center agent because the caller either hung up (usually due to a long wait), the caller was interrupted, or the caller realized he/she misdialed and arrived at the wrong number. A high number of abandoned calls can […]…
  2. Reassigned Number Database The U.S. Federal Communication Commission (FCC) launched the reassigned numbers database (RND) in November 2021.  The purpose of the database is to reduce the number of spam calls that a consumer receives that were intended for a prior holder of a phone number. Introduction to the reassigned number database Assume you just got a new […]…

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