Eavesdropping on a SIP call – How difficult is it?
Besides posters from Nortel’s Voice Security Eco System, I will be having members of Nortel’s technical community post as well. Today, Stephan Varty of my Advanced Security Solutions R&D Team joins us. Stephan has been at Nortel for more than 10 years in various security related roles. He holds the CISSP certification. Lawrence
Many people assume a certain level of confidentiality is assured when they use their phone. Concerns have been raised about the increased risk of someone eavesdropping on a VoIP call compared to a traditional PSTN call. Although the concern applies similarly to other VoIP protocols such as UNIStim, H.323, or SCCP as well, what follows is an opinion on the …