With regard to the representative security threats to SIP, Session Initiation Protocol(SIP) secure authentication model based on strong authentication technology was put forward, and its security was analyzed.

Based on the Mobile IP and its sub Mobile IP, this scheme adopted the Session Initiation Protocol(SIP)and optimized the joint design of network layer mobility management and application layer mobility management.

In this paper,the authors propose a way of access control based on SIP.

SIP is one of the hot research topics in recent years.

SIP is proposed by IETF as IP phone call order protocol which is totally a text modality that to be used to establish, modify and terminate multimedia calls and conversation.

Research On the Security Testing Approach of SIP;

In this paper,the floor control in SIP-based MCS is realized in the architecture of JAIN SIP by using the scalability of the Session Initiation Protocol(SIP),which is characteristic of diversity in the way of control and adaptability to distributed systems.

SIP is subject to many security threats because of its characteristic and application environment, This paper first analyzes the security threats faced with by SIP, particularly an important security threat-Registration Hijacking Attack.

To improve the performance of location management and the handoff of real-time applications under traditional session initiation protocol(SIP) mobility architecture,a improved SIP mobility architecture based on anchor mobility proxy(AMP) was proposed.

Aiming at the problems of integration of real-time services in Internet, an heterogeneous real-time services integrated platform based on Session Initiation Protocol(SIP) is proposed, in which, real-time services are assigned SIP URI address and encapsulated into atomic services with uniform interface.

Session Initiation Protocol(SIP)can implement the control of Next Generation Network(NGN)integration service,but it can not make a difference between users and data services.