We present a survey of authentication and key agreement schemes that are proposed for the
SIP protocol. SIP has become the center piece for most VoIP architectures. Performance and …

We present a comprehensive survey of Voice over IP security academic research, using a
set of 245 publications forming a closed cross-citation set. We classify these papers …

We propose a new method to quickly and accurately predict 3D positions of body joints from
a single depth image, using no temporal information. We take an object recognition …

Methods and systems for third party client authentication of a client. A method includes
displaying a user interface on a display of the client, the user interface including an option to …

The open architecture of the Internet and the use of open standards like Session Initiation
Protocol (SIP) constitute the provisioning of services (eg, Internet telephony, instant …

The Session Initiation Protocol provides an expandable and easy solution to the IP-based
telephony environment. When users ask to use an SIP service, they need to be …

The session initiation protocol (SIP) is a powerful and superior signaling protocol for the
voice over internet protocol (VoIP). Authentication is an important security requirement for …

Purpose Cloud computing systems represent one of the most complex computing systems
currently in existence. Current applications of Cloud involve extensive use of distributed …

Abstract In recent years, Session Initiation Protocol (SIP) is more and more popular.
However, there are many security problems in the Session Initiation Protocol. In 2005, Yang …

SIP has been chosen as the protocol for multimedia application in 3G mobile networks. The
authentication mechanism proposed in SIP specification is HTTP digest based …