Defining Quorum Quorum is defined as the number of voters necessary to carry an election or vote. We would like to ensure that all services carry on functioning under various…
Session Initiation Protocol (SIP) can get quite complicated, especially when products from different suppliers are mixed. SIP issues are difficult to diagnose! A SIP call relies on DNS, NTP, routers, switches, SIP…
There are many aspects to phone system security which apply to both traditional and internet based telephony. Voice over IP (VoIP) systems bring additional threats, but offer some mitigations.In this…