Intel IP Gateway (Global Call) for Linux and Windows User Manual

•  Calculates the logical board and channel and saves them into

Session.pstnParams

•  Closes the board, by calling dx_Close( ) or dt_Close( ).

9. Call ipGetChannels( ) which checks how many available IP channels there

are by doing the following:

•  Gets number of IP boards from #define MAX_IP_BOARDS in

•  For each board that was found:

•  Calls gc_OpenEx( ) to open the board

•  Calls ATDV_SUBDEVS( ) to get the number of channels on the

board

•  Calculates the logical board and channel and save them in

Session.ipParams

•  Registers the board with the Gatekeeper by calling

10. Calls getGateChannels( ) to find the demo MAX available channels (the

smaller of available IP or Voice Devices and the number of channels
specified with the –n command line option, if used).

11. Calls pstnOpenFrontEnd( ) which opens the PSTN channels by doing the

following. For each channel:

•  Calls gc_OpenEx ( ), which returns the PSTN LineDevH, and saves it

in Session.pstnParams

•  If the PSTN board is an analog board:

•  Calls gc_LoadDxParm( )

•  Calls gc_GetVoiceH( ), which returns the PSTN VoiceH, and saves

it in Session.pstnParams

•  If the PSTN board is a digital board:

•  Calls gc_OpenEx( ), which returns the PSTN LineDevH, and saves

it in the Session.pstnParams structure

•  Calls gc_GetNetworkH( ), which returns the PSTN NetwH, and

saves it in Session.pstnParams

12. Calls ipOpenDevices( ) which opens the IP channels by doing the following: