fmMMS, our FileMaker solution that lets you send and receive MMS messages from the FileMaker Platform, has just been updated to include support for the Plivo MMS Gateway based in the USA. You can send and receive MMS messages in the United States and Canada with fmMMS and Plivo.
You can download a trial version of fmMMS to test with the Plivo MMS Gateway from here. You can also sign up for a trial account with Plivo. More information on using the Plivo Gateway with fmMMS is available on our support site.