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4. ISDN Function Overview
35
Table 12. System Tool Functions
Function Description
Configuration Tools:
cc_CallState( )
retrieves the state of the call
cc_CRN2LineDev( )
returns the line device number associated with a
specified call reference number
cc_GetCES( )
retrieves the connection endpoint suffix
cc_GetCRN( )
retrieves the call reference number
cc_GetDChanState( )
retrieves the status of the D Channel
cc_GetDLinkCfg( )
retrieves the configuration of a logical link
cc_GetDLinkState( )
retrieves the logical data link state
cc_GetNetCRV( )
retrieves the network call reference value for a
specified call reference number
cc_GetParm( )
returns the default channel parameters
cc_GetParmEx( )
retrieves parameters containing variable data
passed from the firmware.
cc_GetSAPI( )
retrieves the service access point ID
cc_GetUsrAttr( )
returns the user attribute
cc_SetChanState( )
changes the maintenance state of an indicated
channel
cc_SetDChanCfg( )
sets the D-channel configuration for a BRI
station device
cc_SetDLinkCfg( )
configures a logical link
cc_SetDLinkState( )
sets the logical data link state
cc_SetParm( )
sets default call parameters