VoLTE and the IMS

• 💻 IMS Architecture & SIP Proxies

• 💻 IMS Identifiers

• 💻 VoLTE Architecture

• 💻 Bearer and APNs

• 💻 Power up Process

• 💻 Handover Between eNodeBs

• 💻 Tracking and Paging A UE

• 💻 SIP Architecture

• 💻 SIP Via Paths

• 💻 SIP Route Headers

• 💻 SIP/IMSc Headers

• 💻 Diameter

• 💻 H248

• 💻 Initial Filter Criteria (content/volte/iFC)

• 💻 Presence

• 💻 Session Description Protocol

• 💻 QoS

• 💻 IMS Call Flow Examples

• 💻 Circuit Switched Fallback

• 💻 SR-VCC

• 💻 Emergency Call Flow

• 💻 Charging in the IMS

• 💻 VoLTE and the DNS

• 💻 Regex

• 💻 SIP Entities

• 💻 ENUM

• 💻 RTP

• 💻 DTMF

• 💻 SIP Timers

• 💻 NAT

Wireshark Labs

• 💻 Introduction to Wireshark

• 💻 Successful REGISTER by a User Agent

• 💻 REGISTER Fails Auth

• 💻 SIP deREGISTER

• 💻 SIP INVITE

• 💻 SIP INVITE Packet Analysis with Wireshark

• 💻 Troubleshooting Common SIP Failures with Wireshark

• 💻 Session Description Protocol

• 💻 One-Way Audio

• 💻 SIP PUBLISH

• 💬 Curriculum Path: Telecom