... traffic. Finally, the concept of the HLR has evolved, it isto be substituted by a Home Subscriber Server (HSS).One of the key components to provide IP-based multimedia services is the CSCF, whichexecutes, ... ‘real all IP’ were briefly discussed in Section 2.5.11.2 Challenges of Voice over IP over RadioThe Internet is working according to the end-to-end principle. It means that only the packetsource ... practise, as multimedia traffic containing real-timestreams is starting to be delivered over the Internet, means to provide appropriate QoSforthesereal-timestreamshavetobeintroduced. This implies...