We have configured a GSM modem in the back of the machine to send out SMS alerts. It is a Maestro 20GSM type modem.
Our mobile phones operate on one of two network: Telecom NZ or Vodafone NZ.
For the past 2 months the SMS alerting has been working correctly.
HOWEVER...
Within the past week the SMS alerts that are being sent through to all of the Telecom mobiles are coming through as mixture of symbols and letters that is essentailly garbage. As opposed to "Server X is down" we get "sdlfnriuenkef gver".
I am not sure if this is a Telco provider network issue or if it is something wrong with the configuration of Hostmon.
To further complicate the issue, some Vodafone mobiles are now failing to receive the SMS alerts at all.
As a point of interest... the garbage that I recieve on my Telecom phone always has the correct FIRST letter (i.e. "Server is down" will be "Sdslfndskgfn").
Can anyone advise what might be causing this issue?
