[zoomablemind]

Back in the days of the growing spread of mobile comms, there was a convenience of email-SMS gateways. One could send an email, which would then be delivered as SMS messages onto the mobile.

If that's the case for you, then at least the delivery to your mobile may be simplified. Your remote systems may just schedule the sending/forwarding of the whatever textual data via email corresp. to your mobile address.

As for the reverse direction, there needs to be some gateway on your remote end to proces the incoming SMS and forward these correspondingly.