My earliest connection with intercom systems was the primary school intercom. We frequently began the school day with news recited in measured tones via this piece of equipment by the principal's secretary. I don't think anybody actually listened to any of it but we obediently gave the impression of doing so for the reason that disembodied voice came from on high, i.e the principal's office. Occasionally, the chirp from the intercom would interrupt lessons to call the teacher to the office. Of course, we all loved it if this happened because it meant we could make a big noise while the teacher was out of the room. Needless to say, we'd been told to keep quiet and study the textbook while she was gone, therefore it was all the more satisfying to know that we could be heard all the way to the principal's office.

It had been only many years later when I came to recognize that intercom systems are intriguing gadgets with many applications. They are able to be wired or wireless and some even have video. There is now even a wireless Bluetooth intercom system for motorcyclists to communicate with their passengers and with other motorcycles. But despite some of their more exotic applications, intercom systems often sit quietly on the walls of homes and outside driveway gates to the extent that we take their value for granted. The principal value of intercom systems is in the areas of communication and security. As the name suggests, an intercom is a device that enables intercommunication, which to my mind, distinguishes it from a public address system that announces only. Intercoms are located at exits in public garages so that you can call someone to assist you if your exit ticket doesn't work or the boom won't go up. They can be utilized by the staff in hotels to tell Housekeeping to deliver up more towels and by patients in hospitals to call a nurse. In the home you can find baby monitors to keep an ear out for the baby, and those aforementioned intercoms with a handset in the house and a speaker at the gate for people to announce themselves. If the intercom is linked to an automatic gate then you'll be able to let people in and or out without going outside to open the gate. While it is a major convenience to be able to open a gate from inside without heading out, it is also a security risk and negates the worthiness of having an intercom for security purposes. It really is all very well if you recognize the voice on the other end but some people will open the gate to their apartment complex whenever they hear a buzz without first checking to see exactly who is there.

As you can see, intercom systems add value in many different ways. Nevertheless, I am still awaiting the day when my body corporate adds value to my life by going completely sci-fi and installing a video intercom system in my apartment complex. Not so that whoever is pushing the button can see me, you realize, but so that I can see them. I wish to know who it is that has been pushing my intercom button in the middle of the night and then running away.

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