— Despite the popularity of VoIP these days, this method of communication may present significant security challenges in terms of privacy and accounting. Authentication and messa...
SIP appears to be a powerful and useful signaling protocol supporting mobility for wireless IP networks but it has inherent weaknesses and dangers. This paper is a study on the se...
The Session Initiation Protocol (SIP) has been used widely for Voice over IP (VoIP) service because of its potential advantages, economical efficiency and call setup simplicity. Ho...
Many emergent security threats which did not exist in the traditional telephony network are introduced in SIP VoIP services. To provide high-level security assurance to SIP VoIP s...
The session initiation protocol (SIP) is considered as the dominant signaling protocol for calls over the internet. However, SIP authentication typically uses HTTP digest authentic...