Topics Covered in Attachment Link given below
- VoLTE Call Flow – Introduction
- VoLTE Call Flow Steps Involved
- Messages Exchanged in VoLTE Call flow
- SIP Call Flow – SIP Invite
- Dedicated Bearer Creation on QCI=1
- SIP Call Flow – Actual IMS Nodes – MO / MT Call Flow
- SIP Call Flow – VoLTE Codecs
