Chapter 5 - Session Control in the IMS pps

... ISBN: 97 8- 0- 47 0- 51 66 2- 1 144 CHAPTER 5. SESSION CONTROL IN THE IMS Content-Type: application/sdp Content-Length: 56 7 v=0 o =- 1073 055 600 1073 055 600 IN IP6 1080::8:800:200C:417A s =- c =IN IP6 1080::8:800:200C:417A t=0 ... BASIC SESSION SETUP 141 P-Access-Network-Info: 3GPP-UTRAN-TDD; utran-cell-id-3gpp=24 450 289A3299239 Figure 5. 24: The P...

Ngày tải lên: 01/08/2014, 17:21

... from another proxy and routes it toward its destination. 102 CHAPTER 4. SESSION CONTROL ON THE INTERNET Figure 4 .54 : Endpoint-independent mapping Figure 4 .55 : Address-dependent mapping 4. 15. EVENT ... two parts: session- level information and media-level information. The session- level information applies to the whole session and comes before the m= lines. In our exam...

Ngày tải lên: 01/08/2014, 17:21

... crop on the field becomes clear too. In the first place the leaves reduce the force of the rain impact. Secondly the plants re- duce the speed of the flowing water. At the same time, a crop increases ... of the falling raindrops is determined by the size and the falling velocity of the raindrop. Both these factors are of course closely related to the type of rai...

Ngày tải lên: 02/07/2014, 05:20

... and at retaining the rain water. ? Minimum tillage, mulching and the use of a cover crops serve to protect the soil against the force of the rainfall, at the same time maintaining the soil fertility ... guideline for the width of strips Slope of Width of 0 - 2% 40 - 50 m 2 - 4% 30 - 40 m > 4% 15 - 30 m in very humid areas 15 - 30 m This...

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... carry on the works and maintain them, it is essential that they see their benefit and feel re- sponsible for them too. The people should feel that the project belongs Conditions for the success ... concerned or the well-intentioned development worker ei- ther. Sometimes the causes can only be tackled by political influence among the people themselves, a process in which...

Ngày tải lên: 02/07/2014, 05:20

... (2) to the I-CSCF in the presentity’s network. The I-CSCF queries the HSS using the Diameter protocol, (3), (4) in Figure 20 .5, to locate the S-CSCF allocated to the presentity and forwards the ... with the Service configu- ration offered by the XDM architecture. The IMS terminal plays the role of both a watcher ´ıa- M ar t´ın The 3G IP Multimedia Subsystem (I...

Ngày tải lên: 01/08/2014, 17:21

... the X-3GPP-Intended-Identity header field. Then it inspects the Request-URI, d etermines, Chapter 18 Service Configuration in the IMS Chapter 17 provided a description of the protocols at the user’s disposal ... identified in HTTP, thus, excluding the host name. Of relevance in the HTTP GET request is the inclusion of an X-3GPP-Intended-Identity header field that is po...

Ngày tải lên: 01/08/2014, 17:21

... 50 2 CHAPTER 24. CONFERENCING IN THE IMS domain. The I-CSCF of the terminating domain consults the HSS (7) in order to resolve the PSI (i.e., the conference URI). The HSS provides the I-CSCF ... produced within the XCON working group, the IMS conferencing service only uses BFCP (specified in RFC 458 2 [106]). In the future, as the work in the XCON wor...

Ngày tải lên: 01/08/2014, 17:21

... 480 CHAPTER 22. THE INSTANT MESSAGING SERVICE IN THE IMS IMS Terminal #1 (1) INVITE P-CSCF (18) 180 Ringing P-CSCF (3) INVITE (17) 180 Ringing (19) 180 Ringing S-CSCF S-CSCF (7) Diameter LIR (8) ... escribed in 3GPP TS 24.247 [ 45] . Session- based instant messaging was not included in Release 5 because at the time 3GPP closed 22.3. SESSION- BASED INSTANT MESSAGING IN...

Ngày tải lên: 01/08/2014, 17:21

... Ltd. ISBN: 97 8- 0- 47 0- 51 66 2- 1 302 CHAPTER 12. SECURITY IN THE IMS Security-Client: ipsec-3gpp; alg=hmac-sha- 1-9 6; ealg=aes-cbc; spi-c=23 456 789; spi-s=123 456 78; port-c=2468; port-s=1 357 Figure ... this P-Access-Network-Info header field and an existing one generated b y the IMS terminal, the P-CSCF also includes a network-provided parameter. Then the...

Ngày tải lên: 01/08/2014, 17:21