Configuration change object index, could be line number or port number or channel number depends on the type bitmap, for port resouce partition change (bit 17), this index is actually constructed by (portNum << 16 | controller) because the table has two indices. When the 'Line Configuration Change' bit is set, the configChangeObjectIndex has the following special meanings in IMATM and FRSM-2CT3 cards: IMATM - configChangeObjectIndex range between 1..8 indicates that the configuration change refers to the DS1 line index. A value of 9 indicates that the configuration change refers to the DS3 line index. FRSM-2CT3 - configChangeObjectIndex range between 1..56 indicates that the configuration change refers to the DS1 line index. A value of (128 + n) refers to DS3 line index numbered 'n'. This object makes sense only in traps. A GET on this may not return a Useful result.