Article / Updated 02-09-2017
In mobile marketing, a request for an opt-in is called an opt-in call to action. You can place an opt-in call to action in any traditional, new, and mobile media channel, including the following:
Television
Print
Radio
Point-of-sale displays
Face-to-face encounters
Outdoor advertising
A web or mobile Internet site
An e-mail
A customer-care call
Online advertising
A dialog pop-up setting in a downloadable application
How to dial and press
Dialing and pressing is all about using the voice channel of the mobile phone.