isup.h

example of SS7 file analyzer & decoder

/* ISUP header */

#ifndef BYTE
	typedef unsigned char BYTE;
#endif

#define SS7_ISUP_CIC(a) (unsigned short)(*((unsigned short*)a)& 0x0FFF)
#define SS7_ISUP_CIC_TRUNK(a) (unsigned short)((*((unsigned short*)a)& 0x0FE0)>>5)
#define SS7_ISUP_CIC_TS(a) (unsigned short)(*((unsigned short*)a)& 0x001F)

#define SS7_ISUP_MESSAGE_TYPE(a) (BYTE)*((BYTE*)a+2)
#define SS7_ISUP_OFFSET_MANDATORY_FIXED_PARAM(a) (BYTE)*((BYTE*)a+8)
#define SS7_ISUP_OFFSET_MANDATORY_OPTIONAL_PARAM(a) (BYTE)*((BYTE*)a+9)
#define SS7_ISUP_LENGTH_CALLED_PARTY(a) (BYTE)*((BYTE*)a+8+SS7_ISUP_OFFSET_MANDATORY_FIXED_PARAM(a))
#define SS7_ISUP_CALLED_NUMBER_INDEX(a,b) (BYTE)*((BYTE*)a+8+SS7_ISUP_OFFSET_MANDATORY_FIXED_PARAM(a)+1+b)




/* functions */
void ISUP_Analysis( BYTE *pFrame, unsigned long nbByte, FILE *pfout);