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Network
User
Setup
Release
OR
Release Complete
Figure 10. User-Rejected Network-Initiated NCAS Request
Network
User
Release
Release Complete
Figure 11. User-Disconnected NCAS Call
The following scenarios demonstrate the procedures for a user-initiated and a
network-initiated NCAS call.
User-initiated call
In the following scenario, the user initiates and disconnects the NCAS call for
dtiB1.
Synchronous Programming
Application Device Driver State Firmware Network
cc_Open( )
-->
NULL
Return with line
device
<--
Set up NCAS call
parameter in
MAKECALL_BLK