ISDN Software Reference for Linux and Windows
410
Network User
Setup
Release
OR
ReleaseComplete
Figure 10. User-Rejected Network-Initiated NCAS Request
Network User
Release
ReleaseComplete
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