Why should a PERS unit be monitored by a 24-hour service centre and not just ring a pre-programmed number? | Persl

Why should a PERS unit be monitored by a 24-hour service centre and not just ring a pre-programmed number?

Why should a PERS unit be monitored by a 24-hour service centre and not just ring a pre-programmed number?

The use of 24-hour service centres guarantees immediate attention during any time of day.