Voice Over LTE (VoLTE) - A Core Perspective Comprehensive hands-on workshop
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1 DISCOVER new ideas SHARE expertise EXPLORE new solutions December 9.00 AM PM Bangalore India Timmins Training and Consulting Voice Over LTE (VoLTE) - A Core Perspective Comprehensive hands-on workshop For Further Queries: raj@consult-timmins.com (Whatsapp) Timmins Training and Consulting Website: consult-timmins.com 1
2 Short Description VoLTE stands for voice over Long-Term Evolution. It is a combination of LTE and IMS technology which enables processing of digital packet voice service that is delivered over IP VoLTE course covers technical aspects of how voice is harnessed in LTE Networks by leveraging the IMS solution.this course would cover comprehensive information of VoLTE architecture, Standards, protocols, QoS, interfaces, interworking, SRVCC,T-ADS,Charging and Call flow. Objective Module 01: Introduction to VoLTE Module 02: EPS Overview Module 03: IMS Core for VoLTE Module 04 : PCRF/PCEF in VoLTE solution Module 05: Protocols in VoLTE SIP, Diameter, RTP, H.248,GTP,NAS Module 06 :VoLTE Subscriber Access, Authentication and Registration procedures Module 07: Application server Module 08: SR-VCC(Single Radio Voice Call Continuity) and T-ADS Module 09: Charging concepts Module 10 : VoLTE Call Flows Teaching Tools Slides Whiteboard Q&A (End of each module) Wireshark pcap traces Group discussion (Post lunch/each Day) Case study Screenshots of Vendors Products for configuration parameters (As Applicable) Target GroupTarget Group a) Telecom Professionals who are from LTE, EPC, 2
3 Radio, Core Network operations, engineering, planning verticals. * This training should also benefit working Engineers/Associates from CS Core Network & Packet Core domain who would like to learn VoLTE and upgrade their knowledge Prerequisite Basic knowledge of GSM, WCDMA, Core network, LTE, UMTS or telecom in general Assessment Pre-and Post-Assessment Questionnaire. Note: Participants are advised to go through Pre- Assessment test before the Course commences. Learning outcomes: Understand role of the LTE-Evolved packet core, Policy & Charging Control and IP Multimedia System (IMS) in LTE networks Chalk-out IMS and various nodes and how those nodes interact to deliver an end-to-end VoLTE call Summarize the key steps of pre-call operations including default bearer establishment and IMS registration Understand main steps of setting up a VoLTE call. Understand the important protocols used within the LTE and IMS networks for VoLTE solution Understand the concepts of SR-VCC,T-ADS, Charging in VoLTE Solution Module List Detailed Module 1: Introduction to VoLTE ( 45 mins) * Module Shortened What is VoLTE? GSMA IR.92 VoLTE Drivers Voice evolution from Circuit switched to LTE Voice Evolution 3GPP Release 3GPP Release 8 Network Architecture LTE Voice Solution Alternatives Overview of CSFB and other voice alternatives Logical Components of VoLTE Solution VoLTE Roadmap 3 Teaching Tools : PPT, Whiteboard, Q&A Case Study : Advantages of VoLTE over CSFB and OTT ie.skype,wa Exercise: Breakdown the various nodes in EPC and IMS from VoLTE Architecture Module 2: EPS Overview (45 mins) ** Module Shortened EnodeB Introduction and Functions EPC Overview and architecture Network nodes and roles of HSS,MME,S-GW,P- GW,PCRF Basic EPS signaling procedures Key Reference points: S6a, S1-C/U, S5/S8 S6, S10 and S11 Teaching Tools: PPT, Whiteboard, Q&A Exercise: Reference points and List Key components in EPC for VoLTE, Role Plays Participants as EPC Network elements Module 3: IP Multimedia Subsystems - Core for LTE ( 4.5hrs) IMS Standardization: 3GGP, 3GPP2, TISPAN,OMA,IETF IMS Core Architecture and Network elements IMS Layers - Access Layer, Transport Layer, Control Layer, Application Layer VoLTE Network Configuration with IMS Numbering and addressing/ims Identifiers/ Subscription IMPI,IMPU,SIP URI,TEL URI,PSI IMS Interfaces and Protocols IMS Core Enablers (P/I/S/E-CSCF) MMTel Server introduction (Application Server) IMS Database HSS/SLF basic procedures Function of DNS/ENUM in IMS Solution (Session Routing on domain or number) Breakout / IMS-PLMN/PSTN Interworking via MGCF & IM-MGW IMS Media Enablers MRFC/MRFP (Media Controller and processor) Border Function - SBC, SBG in IMS (Session Border Controller ),IBCF,TRGW Teaching Tools: PPT, Whiteboard, Q&A, Screenshots of IMS and VoLTE Subscription Case Study on Various Access Scenarios(IP-CAN) for IMS.
4 Exercise: Identify the Key identifiers for IMS Subscription for VoLTE Subscriber. Module 4: PCRF/PCEF and QoS in VoLTE solution (2 hrs) PCC architecture PCRF, PCEF Interaction Interfaces: Gx, Rx interaction for QoS Use of SDP in VoLTE Call QoS Bearers in EPC Default and Dedicated GBR and Non-GBR for services Standardized QCIs for SIP/IMS Signaling Teaching Tools: PPT, Whiteboard, Q&A, Screenshots and Wireshark for QoS,APN s, Exercise and Case Study on important QCI for VoLTE session/call Module 5: Protocols in VoLTE (4 hours) SIP and SDP Diameter RTP and RTCP H.248 (Megaco) NAS GTP Teaching Tools: Extensive Exercise based Protocol Structure via Wireshark trace, Q&A,PPT and Whiteboard Exercise: SIP Method and Response codes for VoLTE Call, Diameter Messages Module 6: VoLTE Subscriber Authentication, Access and Registration (3 hours) PDN connection (UE Attach and Location update) Authentication in EPC IMS APN Download from HSS Default EPS bearer setup for IMS P-CSCF Discovery (VoLTE Service Discovery) UE Authorization, IMS AKA Authentication and Registration in IMS IFC(Initial Filter criteria) 3rd Party Registration in IMS Teaching Tools: Extensive Exercise based on Wireshark trace,q&a,whiteboard Exercise: Identify the important procedures in pcap files for UE Attach, P-CSCF Discovery and IMS -AKA 4 Case Study: APN for VoLTE Module 7: Application server (1.5 Hours) Service architecture and role of AS (IM-AS, IM- SSF,OSA-SCS) MMTel /TAS Server VoLTE Call Service Execution Overview of Basic /supplementary/mmtel services SMS Engine in VoLTE SMS Delivery flow in IMS MO/MT PSI (Public Service Identifier SCC-AS AS (Online charging interaction) Teaching Tools: PPT, Whiteboard, Q&A, Screenshots of MMTeL services Exercise: AS Interaction with HSS to download Subscriber VoiP Subscription/MMtel Services Module 8: SR-VCC (Single Radio Voice Call Continuity) and T-ADS (1 hour) Need of SRVCC in VoLTE Network elements in SRVCC Procedure 3GPP Rel 8 and 3GPP Release 10 SRVCC concept esrvcc ATCF and ATGW SRVCC call flow T-ADS(Terminating Access Domain Selection concept and call flow Teaching Tools: PPT simulations, Whiteboard, Q&A. Wireshark Exercise: Difference and Benefits of esrvcc over SRVCC, Benefits of T-ADS Module 9: Charging (1.5hrs) Charging architecture and interfaces Offline Charging and functional elements Offline Charging and functional elements Session and Event based charging CDR generation CDR s Event and Session based Charging correlation Examples Teaching Tools : PPT simulations, Whiteboard, Q&A, Exercise,Charging flows and examples Exercise: Recognize charging elements involved in various call scenarios.
5 Module 10: VoLTE Call Flows (1.5 hrs) Voice call setup in IMS and QoS negotiation in EPC IMS to IMS, IMS to PSTN /PLMN, PLMN/PSTN to IMS VoLTE Emergency calls network elements and call flow (EPC and IMS) VAS Call Flows Call forwarding, Voice mail, RBT Teaching Tools: PPT simulations, Whiteboard, Q&A, Exercise on QoS Negotiation in SDP, Call flows Exercise: Search parameters in trace which identify Normal vs Emergency calls End of Course Case Study: IMS Deployment Discussion a) Here the VoLTE Network Deployment, Load balancing, P-CSCF clusters, IBCF clusters and BGWs are deployed in IMS domain b) How does P-CSCF choose the I-CSCF based on domain resolution. c) In a typical VoLTE network, How does the Traffic is routed in IMS from a PLMN/Circle network 5
6 Trainer Profile Summary Of Experience Trainer is Senior Technologist & Telecom Technical Training Consultant with expertise in solutions IP solutions IMS, VoLTE, CS core Charging, PCRF,VAS,OSS, Mobile messaging with combined work experience of 11 years in Telecom Product & Technology Training and Technical Consulting for Indian and Global Telecom Service Providers. Besides he has experience in solution commissioning /Integration and O&M, content development, Training need Analysis, E-Learning solutions. Worked as Core Network Engineer with Huawei and Nokia as Solution Integrator and O&M associate. Course Specialization: 1. IP multimedia systems (IMS) certified product trainer for Huawei and Nokia Networks 2. Certified VAS (Messaging and charging mgmt. trainer for MAVENIR (Formerly XURA and ACSION) 3. Customized technology courses. Telecom Skills: SSIGTRAN, MAP, TCAP, SS7, SS7oIP, SCCP, M3UA, SUA, GTT, Routing, Radius, SNMP, SMPP, MM7,WAP Gateway,MSS,MGW,HLR,MSOFTX300,UMG8900,DX200,Apertio HLR, Diameter,IMS,CFX5000,One NDS, VoLTE, IP Multimedia Systems,CSC3000,Nokia,Huawei, XURA, Acision,SRVCC, CSFB,MMtel, NetAct, SIP,CSCF, SRVCC,VoLTE Hardware Skills: DL360 G5 & 6, HP C 7000 Enclosure, BL 465, HP Proliant 2810 L3 switches, CIS- CO ITP. ATCA,CPCI. Cloud Virtualization via Open Nebula 6
7 Clients List Contact Information TIMMINS TRAINING AND CONSULTING 541 G-Main, Vysya Bank Colony Shantinikethan Layout, Arikare, Bangalore, India Mobile: (Whatsapp) 7
Timmins Training Consulting
VoLTE Core Network Course Outline Short Description VoLTE stands for voice over Long-Term Evolution. It is a combination of LTE and IMS technology which enables processing of digital packet voice service
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