Index: wireshark/epan/dissectors/packet-gsm_abis_oml.c
===================================================================
--- wireshark.orig/epan/dissectors/packet-gsm_abis_oml.c	2011-01-13 10:11:08.000000000 +0100
+++ wireshark/epan/dissectors/packet-gsm_abis_oml.c	2011-01-13 10:13:22.000000000 +0100
@@ -131,6 +131,7 @@
 	{ ABIS_OM_MDISC_MMI,	"MMI Transfer" },
 	{ ABIS_OM_MDISC_TRAU,	"TRAU O&M" },
 	{ ABIS_OM_MDISC_MANUF,	"Manufacturer specific" },
+	{ ABIS_OM_MDISC_FOM_HSL,"HSL Formatted O&M" },
 };
 
 /* TS 12.21 Chapter 8.1.1 */
@@ -1223,6 +1224,7 @@
 
 		switch (msg_disc) {
 		case ABIS_OM_MDISC_FOM:
+		case ABIS_OM_MDISC_FOM_HSL:
 			offset = dissect_oml_fom(tvb, pinfo, oml_tree,
 						 offset, ti);
 			break;
Index: wireshark/epan/dissectors/packet-gsm_abis_oml.h
===================================================================
--- wireshark.orig/epan/dissectors/packet-gsm_abis_oml.h	2011-01-13 10:11:25.000000000 +0100
+++ wireshark/epan/dissectors/packet-gsm_abis_oml.h	2011-01-13 10:11:54.000000000 +0100
@@ -40,6 +40,7 @@
 #define ABIS_OM_MDISC_MMI		0x40
 #define ABIS_OM_MDISC_TRAU		0x20
 #define ABIS_OM_MDISC_MANUF		0x10
+#define ABIS_OM_MDISC_FOM_HSL		0x81
 #define ABIS_OM_PLACEMENT_ONLY		0x80
 #define ABIS_OM_PLACEMENT_FIRST 	0x40
 #define ABIS_OM_PLACEMENT_MIDDLE	0x20