Price: $1,999.00

Length: 2 Days
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IMS and SIP Signaling Training , VoLTE Signaling Training

IMS and SIP signaling training course provides a technical overview of IMS and SIP signaling applicable to VoLTE. EPS/IMS architectures, components, functions, protocols, signaling flows and traffic cases are discussed.

IMS and SIP Signaling training course is designed for planners, engineers, testers, troubleshooters or anyone else who is involved in IMS, SIP and VoLTE deployment in LTE RAN, EPC and IMS networks.

Upon completing this course, the attendees are able to understand and discuss:

  • LTE, EPS and IMS
  • IMS architecture and components
  • SIP and SDP
  • Session control in IMS
  • VoLTE network architecture
  • VoLTE traffic scenarios
  • Applicable SIP messages
  • VoLTE registration
  • VoLTE call setup and release
  • VoLTE interowkring
  • VoLTE QoS
  • Voice call continuity
  • Emergency call support

Course Content

LTE and IMS Network Architecture

  • Overview of LTE/EPC
  • Overview of IMS
  • Concepts behind LTE, EPS and IMS interworking
  • Overview of Voice over IP
  • VoIP protocols
  • Overview of SIP and SDP protocols
  • SIP network nodes
  • SIP signaling flows
  • Registration
  • Session initiation
  • Session termination
  • Overview of SIP architecture
  • EPS Architecture Supporting Voice Services
  • CS Fallback

IMS Network Architecture

  • Functional Elements
  • Application Server (AS)
  • Breakout Gateway Control Function (BGCF)
  • Call Session Control Function (CSCF)
  • Home Subscriber Server (HSS)
  • Media Gateway Function (MGW)
  • Media Gateway Control Function (MGCF)
  • Multimedia Resource Function Controller (MRFC)
  • Multimedia Resource Function Processor (MRFP)
  • Security Gateway (SEG)
  • Serving/Gateway GPRS Support Node (SGSN/GGSN)
  • Signaling Gateway (SGW)
  • Subscription Locator Function (SLF)
  • Service Capability Interaction Manager (SCIM)
  • Policy Decision Function (PDF) – “Bandwidth Manager” (CoS & QoS)
  • GPRS-IMS Bundled Authentication (GIBA)

IMS with LTE/EPC Interworking

  • IMS profile for voice and SMS
  • IMS Protocols and Messages
  • Session Setup and teardown with SIP
  • IMS-related Identities
  • Private User Identity (IMPI)
  • Public User Identity (IMPU)
  • Details of Private User Identities (IMPI)
  • Details of Public User Identities (IMPU)
  • Signaling and negotiation
  • IMS Procedures
  • VoLTE Call Setup
  • VoLTE QoS and Traffic Management
  • Policy and Charging Control (PCC)
  • QoS Class Identifier (QCI)
  • GBR bearer and non-GBR bearer
  • Standardized QoS characteristics

VoLTE Call Initiation and Signaling

  • PDN Connectivity (NAS Signaling)
  • Authentication
  • Bearer Setup and EPS Attach
  • P-CSCF Discovery
  • SIP Registration
  • Event Subscription
  • VoLTE Registration
  • IMS registration
  • SIP signaling with P-CSCF
  • User identities for VoLTE
  • Application registration
  • VoLTE Call
  • Voice Call Continuity
  • VCC call setup
  • Emergency Call Support
  • Emergency Session Call Flows

VoLTE Interworking

  • Overview of VoLTE-to-PSTN Calls
  • Role of S-CSCF and ENUM
  • Role of BGCF, MGCF, and MGW
  • SIP and ISUP Interworking
  • Interworking architecture and components
  • SIP extensions used in IMS

LTE and IMS Call Flows

  • EPS Attach
  • Always-on Connectivity
  • Initial Context Setup procedure
  • Bearer Setup for IMS APN
  • PDN Connection for VoLTE
  • PDN Connectivity (NAS Signaling)
  • Authentication
  • Bearer Setup and EPS Attach
  • P-CSCF  Discovery
  • SIP Registration
  • VoLTE Call troubleshooting


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