I am wondering what the standard tool is for sending and receiving SMS and MMS on a device that does not have a SIM card in it.
Is there some tool that can do it natively? Is there a specific carrier that is commonly used for this? Is there some sort of selfhosted service that bridges it to email, and if so do I need to put a SIM card in my server?
Bonus points if I can do it within Emacs.
You can use a VoIP or SIP provider and then to send SMS and MMS messages you can install an app called Chatty: https://flathub.org/apps/sm.puri.Chatty