The IP multimedia subsystem (IMS) is an open, standardized, operator-friendly, next-generation multimedia architecture for mobile and fixed IP services. This re

Today it is almost impossible to remember what life was like with no computer, no mobile phone, and no Internet for accessing information, performing tra- actio

What is the future of mobile services? In order for mobile services to achieve the scale, scope, and agility required to keep them relevant and successful, a nu

Taking an in-depth look at the mobile communications ecosystem, this book covers the two key components, i.e., Network and End-User Devices, in detail. Within t

Starting with the imminent roll-out of the IP Multimedia Subsystem (IMS) and fourth-Generation networking technology, Next Generation Networks (NGN) are gradual