Summary

Asterisk is a powerful and flexible framework, based on open source software. It can be used to create a customized PBX for almost any environment. However, it is not always the best choice for reasons we have just explored. We must consider this carefully in order to be confident that Asterisk is the right choice for our situation. Moreover, we should also ensure that the time and money invested in setting up the Asterisk service is a worthwhile outlay.