Your customer service sucks!

We had an attempted break in on Tuesday. On Wednesday I contacted National requesting that an additional passive be installed. I was assured that a technician would do so on Thursday. No one came nor was I notified. I phoned National and spent 30 minutes speaking to switchboard operators and call center agents but got no further. I have been trying again today but get exactly the same response. 7 calls to various numbers where I’ve been cut off or had to listen to a voice tell me my “call is very important to” I’m not sure who but it certainly can’t be National. Have they ever placed a call and tested their procedures out. I doubt it.