Chapter 4 - Session Control on the Internet pps

... example, the headerﬁelds below describe the SDP session description of Figure 4. 1:Content-Disposition: session Content-Type: application/sdpContent-Length: 193 The Content-Disposition indicates ... that the body is a session description, the Content-Type indicates that the session description uses the SDP format, and the Content-Length contains the length of the body in bytes.Figure 4. 12 ... about the session a Attribute linesu URL containing a description of the session t Time when the session is activee Email address to obtain information about the session t Times when the session...

Chapter 5 - Session Control in the IMS pps

... information pointing to this S-CSCF.5.7. BASIC SESSION SETUP 141 P-Access-Network-Info: 3GPP-UTRAN-TDD;utran-cell-id-3gpp= 244 50289A3299239Figure 5. 24: The P-Access-Network-Info header ﬁeld(2) The ... EditionGonzalo Camarillo and Miguel A. Garc© 2008 John Wiley & Sons, Ltd. ISBN: 97 8- 0- 47 0- 5166 2- 1 144 CHAPTER 5. SESSION CONTROL IN THE IMSContent-Type: application/sdpContent-Length: ... realm="home1.net",nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",algorithm=AKAv1-MD5Security-Server: ipsec-3gpp; q=0.1; alg=hmac-sha- 1-9 6;spi-c=909767; spi-s =42 1909;port-c :44 44; port-s=5058Cseq: 1 REGISTERContent-Length: 0Figure 5.7: (10) 40 1 UnauthorizedIn response,...

Chapter 210 Instant Messaging on the Internet pot

... chunk of the ﬁle). 45 8 CHAPTER 21. INSTANT MESSAGING ON THE INTERNET The MSRP address of the originator of the session is indicated in the MSRP URLcontained in the a=path line in the SDP of the INVITE ... session. The MSRPS URLsreturned are session URLs (i.e., they contain a session- id path, and they are valid onlyfor one unique session) . Figure 21.18 shows an example of the 200 (OK) response ... the request. The ﬁrst three digits in the valueindicate the namespace of the status. The namespace indicates the context of the rest of the 45 4 CHAPTER 21. INSTANT MESSAGING ON THE INTERNET 21.2...

Chapter 13 - Emergency Calls on the Internet pptx

... locationinformation. The server retrieves the client’s location information, for example, by examining3 24 CHAPTER 13. EMERGENCY CALLS ON THE INTERNET 30a89j4m23Content-Type: application/sdpContent-Disposition: ... <sip:alice@ws1.example.com>;pub-gruu="sip:alice@example.com;gr=urn:uuid:a56d41bf-e0c 9-4 c80-abd 3-8 2c40b973806";temp-gruu="sip.tgruu.2098dakds2dammksdf9hko@example.com;gr";+sip.instance="<urn:uuid:a56d41bf-e0c 9-4 c80-abd 3-8 2c40b973806>";expires=3600Allow: INVITE, ACK, CANCEL, BYE, MESSAGE, REFERContent-Type: application/sdpContent-Length: 209v=0o=alice 2890 844 526 2890 844 526 ... case, the idea is to connect the user with the closest PSAP andto dispatch the requested emergency personnel to the user’s location. On the other hand, the location information is required at the...

Chapter 19 - The Presence Service on the Internet pdf

... whether the actions and transformations areexecuted or not, so the condition can be seen as the “if” statement of a conditional sentence.A condition contains a number of expressions. Each of them ... notiﬁes the watcher (step 7) that the subscription is set to the “pending” state until further instructions are received from the 42 4 CHAPTER 19. THE PRESENCE SERVICE ON THE INTERNET of the p rincipal, ... provide-place-is, provide-place-type, provide-privacy,provide-relationship, provide-sphere, provide-time-offset, provide-user-input,andprovide-note. Furthermore, it is also possible to deﬁne new additionalattributes...

Chapter 17 - Service Conﬁguration on the Internet pdf

... to further illustrate a few concepts. The first line of the document is the XML declaration that defines the XML version and the encoding used in the document.Then, the data that constitute the ... field containing the entitytag of the cached version o f the content. The PUT request also contains a MIME body with the new desired content. The server receives the request, and compares the value ... & Sons, Ltd. ISBN: 97 8- 0- 47 0- 5166 2- 1386 CHAPTER 17. SERVICE CONFIGURATION ON THE INTERNET SUBSCRIBE sip:xcap.example.com SIP/2.0Via: SIP/2.0/UDP pc55.example.com;branch:z9hG4bKn9s66From:...

Chapter 23- Conferencing on the Internet ppt

... description (part 1) 49 4 CHAPTER 23. CONFERENCING ON THE INTERNET Figure 23.10: BFCP architecture23 .4. 1 Contacting the Floor Control ServerIn order to contact a conference’s floor control server, the ... decisions are enforced in any way. They may or may not be enforced, depending on the environment.23 .4. THE BINARY FLOOR CONTROL PROTOCOL (BFCP) 49 3In XCON, the enforcement of floor -control- related ... disableall of the microphones expect the one of the participant that has the floor at any given time.Therefore, the fact that a conference uses floor control does not imply that floor -control- related...

Chapter 11 - Security on the Internet pptx

... <sip:bob@192.0.100.2>Content-Length: 197Content-Type: application/pkcs7-mime; smime-type=enveloped-data;name=smime.p7mContent-Transfer-Encoding: base 64 Content-Disposition: attachment; filename=smime.p7m;handling=requiredrfvbnj756tbBghyHhHUujhJhjH77n8HHGT9HG4VQpfyF467GhIGfHfYT67n8HHGghyHhHUujhJh4VQpfyF467GhIGfHfYGTrfvbnjT6jH7756tbB9Hf8HHGTrfvhJhjH776tbB9HG4VQbnj7567GhIGfHfYT6ghyHhHUujpfyF40GhIGfHfQbnj756YT64VFigure ... GMTContact: <sip:bob@192.0.100.2>Content-Type: multipart/mixed; boundary=unique-boundary-1Content-Length: 1066 unique-boundary-1Content-Type: application/sdpv=0o=bob 2890 844 526 2890 844 526 ... <sip:bob@192.0.100.2>Content-Length: 197Content-Type: application/pkcs7-mime; smime-type=signed-data;name=smime.p7mContent-Transfer-Encoding: base 64 Content-Disposition: attachment; filename=smime.p7m;handling=required567GhIGfHfYT6ghyHhHUujpfyF4f8HHGTrfvhJhjH776tbB9HG4VQbnj777n8HHGT9HG4VQpfyF467GhIGfHfYT6rfvbnj756tbBghyHhHUujhJhjHHUujhJh4VQpfyF467GhIGfHfYGTrfvbnjT6jH7756tbB9H7n8HHGghyHh6YT64V0GhIGfHfQbnj75Figure...

Chapter 9 - Quality of Service on the Internet ppt

... Merging the Internet and the Cellular Worlds Third EditionGonzalo Camarillo and Miguel A. Garc© 2008 John Wiley & Sons, Ltd. ISBN: 97 8- 0- 47 0- 5166 2- 1268 CHAPTER 9. QUALITY OF SERVICE ON THE ... reserved for them. The assured forwarding PHB provides different drop precedence levels, so that low-prioritypackets are discarded before high-priority ones under congestion conditions.VersionHeaderLengthType ... SERVICES269consequently, remove their reservation state. New routers start receiving RESV messagesthat install the reservation state needed for the ﬂow.Note that RSVP is an admission control protocol,...

Chapter 6 - AAA on the Internet ppt

... identifier of the session. All messages pertaining to the same session contain the same Session- ID AV Pvalue. Section 6.3.1 describes the concept of session in the context of Diameter.6.3. THE DIAMETER ... standardized in the IETF). The Vendor-Specific-Application-Id contains either an Auth-Application-Id or anAcct-Application-id AVP, although only one of them can be present at the same time. The former ... identifies the authentication and authorization portion of the application, whereas the latter identifies the accounting portion of the application. The Vendor-Specific-Application-Id AVP can also contain...

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