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retrieve a call from the Hold state cc_RetrieveCall( )
209
int procdevfail(LINEDEV ldev)
{
int reason;
char *msg;
reason = cc_CauseValue(ldev);
cc_ResultMsg(ldev,reason,&msg);
printf("reason = %x - %s\n",reason,msg);
}
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! !
!
Errors
If the function returns a value < 0 to indicate failure, use the cc_CauseValue( )
function to retrieve the reason code for the failure. The cc_ResultMsg( ) function
can be used to interpret the reason code. Error codes are defined in the files
ccerr.h, isdnerr.h, and isdncmd.h.
Error codes from the cc_RetrieveCall( ) function include the following:
Error Code Description
ERR_ISDN_LIB | E_ABORTED
Task aborted by cc_Restart( )
function.
ERR_ISDN_LIB | E_BADSTATE
The cc_Restart( ) function is in
progress.
ERR_ISDN_FW | ISDN_BADSTATE Cannot accept event in current
state.
ERR_ISDN_LIB | E_ISNULL_PTR Null pointer error
!
! !
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See Also
•
• •
• cc_HoldCall( )
•
• •
• cc_RetrieveAck( )
•
• •
• cc_RetrieveRej( )