Traditional alarm systems rely on a standard phone line to link a home to the alarm company. These can be easily disabled by a burglar in about ten seconds with a cheap pair of wire cutters.
It gives SSMi the advantage of being able to contact the customer if there is a potential problem with the unit not checking in. Normal phone line monitoring does not provide this option on every customer, only with specialized monitoring situations and generally at a much higher monitoring fee. Securecomm GPT & Securecomm GPI provides a backup battery in the event of power failure for continues operation.