Setting up an SMS Gateway on Ubuntu
Android App Solution
Gears
https://item.taobao.com/item.htm?spm=a230r.1.14.50.6cb81aa9POcAZr&id=571003575948&ns=1&abbucket=15#detail
https://item.taobao.com/item.htm?id=571960095173&ali_refid=a3_430009_1006:1152053786:N:笔记本电脑无线上网卡:15ab514ef059e4b5024f12c9d0986a43&ali_trackid=1_15ab514ef059e4b5024f12c9d0986a43&spm=a230r.1.0.0
Linux server
https://www.techinformant.in/create-sms-gateway-server/
http://jasmin.readthedocs.io/en/latest/
http://kalkun.sourceforge.net/
https://www.20papercups.net/programming/sending-receiving-sms-on-linux/