antoniosk:
Perhaps @chorus would like to weigh in and help the OP not be alarmed.
This is assuming the model of Alarm in question supports an IP Module
tim0001:
The only option given by the Alarm Provider was to change back to a traditional landline (eg change to NowNZ, or Spark). Which, and I could be wrong on this, is $35pm more ($56pm more with Spark). There might be some better deals
Looks like it doesn't