Today, SIP is a protocol par Excellence in the field of communication over Internet. But, the fact that it belongs to the application layer constitutes a weakness vis-
SIP (Session Initiation Protocol) is a signaling protocol standardized by IETF, aiming to manage the multimedia transmission sessions among different parties. This paper illustrate...
Wireless networks and the voice over Internet protocol (VoIP) have recently been widely adapted. VoIP services over Ad-hoc network can be accomplished by middleware embedded in mob...
: To enable users to utilize the services of various providers of multimedia services based on the session initiation protocol (SIP), some kind of interaction is required between t...
Voice over IP (VoIP) and Instant Messaging (IM) systems to date have either followed a client-server model or have required the use of clients that do not follow any VoIP or IM st...