GSM Originating Call
GSM user to PSTN originating call is described here. The different call phases are covered in detail:
- RR connection establishment.
- Ciphering
- SCCP connection establishment and call setup with the MSC
- ISUP call setup with PSTN
- Call Release
- GSM Originating Call Flow
- GSM Originating Call Poster (11x17)
- GSM Originating Call Overview
- GSM Originating Call Context Diagram
- Mobile, GSM Network and PSTN Level Call Flow
- GSM Mobile, BSS, NSS and PSTN Level View
- Mobile Role Call Flow
- Mobile Role Context Diagram
- BSC Call Flow
- BSC Context Diagram
- MSC-VLR Call Flow
- MSC-VLR Context Diagram
- PSTN Call Flow
- PSTN Context Diagram