IMS Course  Agenda             01/24/13
IMS First Approach•   IMS     o    What is the IMS     o    Why IMS     o    Not only VoIP•   IMS Standardization     o   ...
IMS going throughIMS & SIPoRequests and ResponsesoHeadersoSIP Message FlowoSDP introductionIMS IdentifiersoThe User Profil...
IMS FlowsIMS Call Flow Examples   o   Registration   o   Service Discovery   o   IMS Authentication   o   Service Triggers...
..in the IMS domain• Charging and IMS  o   Charging Entities  o   Charging Functions  o   Interfaces  o   Protocols (Diame...
..in the IMS domain• Presence   o   SIMPLE - SIP for Instant Messaging and Presence Leveraging Extensions   o   Terminolog...
Application Servers•   AS Main function•   AS Interfaces•   TAS (Telephony Application Servers)•   Supplementary services•...
VoLTE•   Voice Over LTE•   Architecture•   IR 92 GSMA Specifications•   Services•   Terminals                             ...
Advanced Contents                    01/24/13
IMS Centralized Services•   Network Evolution•   IP based networks•   Coesistence•   Service Continuity•   SCC AS•   Call ...
VoLTE Advanced•   SR VCC•   Architecture•   3GPP Rel 9 and 3GPP Rel 10•   Call Flows•   Network Impact                    ...
Access Device            Interconnection•   SBC role in the Access Architecture•   SBC as entry point in the IMS Network• ...
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Ims course

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Ims course

  1. 1. IMS Course Agenda 01/24/13
  2. 2. IMS First Approach• IMS o What is the IMS o Why IMS o Not only VoIP• IMS Standardization o 3GPP o TISPAN o GSMA o IETF o Open Mobile Alliance (OMA)• IMS Architecture o HSS o CSCF o SBC o DNS/ENUM o AS o MGC/MGW o PCRF o IMS Identifiers o Protocols o Interfaces o Interworking with existing networks o Interworking with access networks and devices 01/24/13
  3. 3. IMS going throughIMS & SIPoRequests and ResponsesoHeadersoSIP Message FlowoSDP introductionIMS IdentifiersoThe User ProfileoPrivate IdentityoPublic IdentityoSIP URI /TEL URI FormatoInitial Filter Criteria (iFC) 01/24/13
  4. 4. IMS FlowsIMS Call Flow Examples o Registration o Service Discovery o IMS Authentication o Service Triggers o Initial Filter Criteria Access and Location Information • P-Access • P-Visited o Controlling Bearer Traffic o Media negotiation o S-CSCF Management o BGCF: Interworking with external network (PSTN/PLMN or IP Networks) o Application Servers o Third-Party Call Control o Conferencing (REFER) o IMS Messaging (Immediate, Session-Based, Deferred) 01/24/13
  5. 5. ..in the IMS domain• Charging and IMS o Charging Entities o Charging Functions o Interfaces o Protocols (Diameter)• Security o IPSEC o Key Selection at Registration o Security for Call Setup o Authentication o Securing the Media o Privacy and Identity 01/24/13
  6. 6. ..in the IMS domain• Presence o SIMPLE - SIP for Instant Messaging and Presence Leveraging Extensions o Terminology o Framework o Resource List Manipulation Requirements o Authorization Policy Manipulation o Acceptance Policy Requirements o Notification Requirements o Content Requirements o General Requirements• Subscriber Data structure o Subscriber o Data Related to Mobile Station Types o Data Related to Authentication and Ciphering o Data Related to Roaming o Data Related to Basic Services 01/24/13
  7. 7. Application Servers• AS Main function• AS Interfaces• TAS (Telephony Application Servers)• Supplementary services• Service Deployments 01/24/13
  8. 8. VoLTE• Voice Over LTE• Architecture• IR 92 GSMA Specifications• Services• Terminals 01/24/13
  9. 9. Advanced Contents 01/24/13
  10. 10. IMS Centralized Services• Network Evolution• IP based networks• Coesistence• Service Continuity• SCC AS• Call Flows• Interworking 01/24/13
  11. 11. VoLTE Advanced• SR VCC• Architecture• 3GPP Rel 9 and 3GPP Rel 10• Call Flows• Network Impact 01/24/13
  12. 12. Access Device Interconnection• SBC role in the Access Architecture• SBC as entry point in the IMS Network• IP Based Terminals• IP Based PBX• Integration with legacy PBX• Fax and POS interworking 01/24/13

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