By default, TollFree numbers are not whitelisted for your account. You need to connect with Plivo to get your account & use case whitelisted. Post this verification process, you will be able to send SMS/MMS through TollFree numbers. Listed below is the process to enable SMS/MMS in your TollFree numbers

To enable SMS/MMS in your Tollfree number

  1. Fill the required details in this form - https://docs.google.com/forms/u/1/d/e/1FAIpQLSfVR8ajPSsZpcfADMH0yHXDbmPO0s8opx8_kE0DLNYU6Yi0kA/viewform

  2. Raise a ticket to Plivo-Support referring to the email Id used to fill the above form. They will get back to you