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Alarm Communications on landlines

Posts: 35
Thanks: 4
Registered: ‎07-01-2008

Alarm Communications on landlines

Hi Forum

I am investigating an issue with the alarm system at a community hall which I help with technical issues. I am not sure who provides their phone service

If the alarm is 'triggered' it sends a text message to a number of Mobile phones - it does this via an access number [Removed]. This does not seem to be working.

I was doing some investigation at home - when I dialled this number from my landline - it was unobtainable but when I dialled it from my mobile it answered in much the same was as a dial up modem or a fax machine.

My question is - is it likely that this number is blocked from landlines? If so why? Is it possible to unblock it?

Moderator's note by Dick (Strat): Personal information removed from a public forum (to an area that staff can see).