Everyone love’s a Mobile Phone App and gadget and the GSM One by Commtel, gets the thumbs up from us.
This simple iOS and Android App allows you to manage your GSM Entry Devices and time
https://mailchi.mp/c5ca0967befc/new-gsm-door-entry-app
https://www.linkedin.com/company/access-security-products-ltd/
https://www.facebook.com/Access-Security-Products-Limited-623249647725041/
https://plus.google.com/b/114915612125306060098/114915612125306060098