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accepts a connection request from the remote end
cc_AnswerCall( )
55
}
int callfail(CRN crn)
{
LINEDEV ld;
cc_CRN2LineDev(crn,&ld);
procdevfail(ld);
}
int procdevfail(LINEDEV handle)
{
int reason;
char *msg;
reason = cc_CauseValue(handle);
cc_ResultMsg(handle,reason,&msg);
printf("reason = %x - %s\n",reason,msg);
}
Errors
 If the function returns < 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_AnswerCall( ) function include the following:
 
 
 Error  Code
 Description
 ERR_ISDN_LIB | E_ISBADIF
 Bad interface number
 ERR_ISDN_LIB | E_ISBADCALLID
 Bad call identifier
 ERR_ISDN_LIB | E_ISBADTS
 Bad time slot
See Also
• 
cc_WaitCall( )
• 
cc_DropCall( )