With the rise in SIP (Session Initiation protocol) Trunking come concerns over the security of a service that is still in its nascent stages. Security concerns are par for the course with any technology but because SIP is still largely unknown outside of the telecoms industry, people are more cautious than usual. According to Steve Johnson of SIP-based security solutions provider Ingate Systems, with the right precautions, SIP can be completely secure. He says that VoIP (Voice over Internet Protocol) can be more secure than calls made on PSTN. SIP is set to be the next big thing so it’s good to know that we can count on it being secure!