Cisco Cisco Packet Data Interworking Function (PDIF) Documentation Roadmaps
CDMA2000 Wireless Data Services
▀ Understanding Simple IP and Mobile IP
▄ Cisco ASR 5000 Series Product Overview
OL-22937-01
Figure 94. Simple IP Call Flow
Table 65.
Simple IP Call Flow Description
Step
Description
1
Mobile Node (MN) secures a traffic channel over the airlink with the RAN through the BSC/PCF.
2
The PCF and PDSN establish the R-P interface for the session.
3
The PDSN and MN negotiate Link Control Protocol (LCP).
4
Upon successful LCP negotiation, the MN sends a PPP Authentication Request message to the PDSN.
5
The PDSN sends an Access Request message to the RADIUS AAA server.