Fill in the on-screen boxes. Tap send, and your smartphone will compose and send SMS command messages to your Commtel HY-CAN to make your changes.

No need to remember and type in your entry system's SMS command words or SMS command format.

No need to re-type previous commands when you only want to modify something. Your smartphone will remember the Callpoints, PIN Codes, Authorised Numbers and Time Profiles you have previously sent, then recompose and send an appropriate command SMS to make your changes.

Store the details of one or more Commtel HY-CAN systems in your smartphone. No need to remember or look up the telephone number or serial number for each command SMS.

Name your Commtel HY-CAN system such as "Front Gate" or "Rear Gate". Store multiple named systems in your smartphone and send each command SMS to the appropriate telephone number carrying the appropriate login code.