DCS Telecom Understanding VoIP Phone Systems | Page 5

FEW STEPS YOU SHOULD TAKE TO MAKE YOUR VOIP PHONES SECURE • • • Start by configuring dial plans. It is also a good idea to make user profiles to ensure that everything works in a seamless way. You can take control of voice network by using device certificate to grant access to your employees. You may also consider setting up username and password for each profile. Use specific features to determine what types of calls could be received on the network. You can restrict different calls based on user, device, time of day and other criteria. Take advantage of the firewall feature. You can significantly lower the risk of security breach by using a firewall –it is even better to set up some type of intrusion prevention system. Such security features help filter out unauthorized VoIP traffic. It will also enable you to monitor authorized traffic and keep track of unusual voice activities.