Once your telephone system is up and running it is important that it remain well maintained. This kind of preventative maintenance can save you time and money in the long run as well as making sure you are getting the most from your investment.
Another aspect of keeping your system well maintained is ensuring you have the latest versions of the software you have bought. Almost all software vendors release software with bugs which could impact your system performance. Fortunately most companies also release updates to "patch" these problems. Like every electronic device, telephone systems are not “bullet proof”, they sometimes stop functioning correctly or some features are not working like they were before.
We also know that some adjustments are needed but they show up during first weeks of operation.