Auto dialerwikipedia
An automatic dialer (auto dialer, auto-dialer, autodialler) is an electronic device or software that automatically dials telephone numbers.
autodialerauto dialingautomatic calling unitAutomatic dialingautomated phone callsautomatic callautomatic dialing systemsdiallerAutomatic Dialing and Announcing deviceautomatic telephone dialing system


When an autodialer plays a pre-recorded message, it is often called voice broadcasting, or robocalling.
A robocall is a phone call that uses a computerized autodialer to deliver a pre-recorded message, as if from a robot.

Voice broadcasting

voice broadcastingmessage broadcastingvoice broadcast
When an autodialer plays a pre-recorded message, it is often called voice broadcasting, or robocalling.
An example of the use of this technology is automated phone surveys, where professional polling organizations place automatic calls to conduct surveys.

Telephone Consumer Protection Act of 1991

Telephone Consumer Protection ActTCPA
The Telephone Consumer Protection Act of 1991 was signed into law, in the United States, in an effort to put restrictions on auto dialing systems.
The TCPA limits the use of automatic dialing systems, artificial or prerecorded voice messages, SMS text messages, and fax machines.


dialerfraudulent dialersdialler
Automated dialers such as those sold by Noble Systems, Avaya, and Convoso (formerly SafeSoft Solutions) can place calls using *preview*, *power*, auto dialing, or predictive dialing.


A recent trend in telemarketing is to use robocalls: automated telephone calls that use both computerized autodialers and computer-delivered pre-recorded messages in a sales pitch.

Natural predictive dialing

Natural predictive dialing has the benefits of all of the above dialing modes.

Cahaly v. LaRosa

Cahaly v. LaRosa is a lawsuit filed in federal court in 2013 that challenged South Carolina's law prohibiting most types of unsolicited consumer and political calls made by Automatic Dialing and Announcing Devices (ADAD), also known as "robocalls".


Compuspec developed the world's first line-powered dialler or Network Access Device called Zippy in 1992.

Hustle (company)

Because Hustle's tool is not an "automatic telephone dialing system" using a "random or sequential number generator," it avoids violating SMS regulations in the Telephone Consumer Protection Act.


In telecommunications, RS-366, later known as EIA-366, defines a standard for serial communications between computers and an auto dialer, which is used to dial telephones.

Lisa's Date with Density

owns a car
Homer witnesses the arrest and sees the discarded autodialer in a nearby trash bin.

Ghost call

This is generally caused by a neglected Autodialer or indirectly through consequences of restrictions applied to autodialers used for telemarketing by the FCC that restricts how long they can tie up a phone line without causing inconvenience to the receiver or blocking emergency services.

Landel MailBug

In addition to email, the device can display and store Caller ID, and act as an electronic telephone book and autodialer.

Tornado warning

tornado warningtornadowarnings
Local police or fire departments may dispatch crews not assigned to an existing emergency call to travel within a designated area to warn residents to take tornado safety precautions if sirens are disabled due to technical problems or are not present, while automated phone calls may be made to residents for the same purpose in some areas should such disruptions occur.

War dialing

war dialingwardialingwar dialer

Automatic redial

redialautomatic redial
Synonym last number redial. Contrast with automatic calling unit.

Ringless voicemail

ringless voicemail
Infolink argued that there was nothing illegal about it because CRTC did not have any legislation to cover ringless voice messaging, while Bell tried to label it as an Automatic Dialing and Announcing device (ADAD), including that these types of messages were used to make unsolicited calls for the purpose of solicitation.