diff --git a/src/isdn/dss1.c b/src/isdn/dss1.c
index d81e77b..4011461 100644
--- a/src/isdn/dss1.c
+++ b/src/isdn/dss1.c
@@ -1934,6 +1934,9 @@ int process_progress(call_t *call, osmo_cc_msg_t *msg, struct l3_msg *l3m, int c
 			case TONES_TYPE_OLDGERMAN:
 				tone = TONE_GERMAN_OLDDIALTONE;
 				break;
+			case TONES_TYPE_MORSEGERMAN:
+				tone = TONE_GERMAN_MORSEDIALTONE;
+				break;
 			default:
 				tone = TONE_AMERICAN_DIALTONE;
 			}
@@ -1949,6 +1952,7 @@ int process_progress(call_t *call, osmo_cc_msg_t *msg, struct l3_msg *l3m, int c
 			tone = TONE_GERMAN_RINGING;
 			break;
 		case TONES_TYPE_OLDGERMAN:
+		case TONES_TYPE_MORSEGERMAN:
 			tone = TONE_GERMAN_OLDRINGING;
 			break;
 		default:
@@ -1965,6 +1969,7 @@ int process_progress(call_t *call, osmo_cc_msg_t *msg, struct l3_msg *l3m, int c
 				tone = TONE_GERMAN_BUSY;
 				break;
 			case TONES_TYPE_OLDGERMAN:
+			case TONES_TYPE_MORSEGERMAN:
 				tone = TONE_GERMAN_OLDBUSY;
 				break;
 			default:
@@ -1978,6 +1983,7 @@ int process_progress(call_t *call, osmo_cc_msg_t *msg, struct l3_msg *l3m, int c
 				tone = TONE_GERMAN_HANGUP;
 				break;
 			case TONES_TYPE_OLDGERMAN:
+			case TONES_TYPE_MORSEGERMAN:
 				tone = TONE_GERMAN_OLDHANGUP;
 				break;
 			default:
@@ -1990,6 +1996,7 @@ int process_progress(call_t *call, osmo_cc_msg_t *msg, struct l3_msg *l3m, int c
 				tone = TONE_GERMAN_GASSENBESETZT;
 				break;
 			case TONES_TYPE_OLDGERMAN:
+			case TONES_TYPE_MORSEGERMAN:
 				tone = TONE_GERMAN_OLDHANGUP;
 				break;
 			default:
@@ -2002,6 +2009,7 @@ int process_progress(call_t *call, osmo_cc_msg_t *msg, struct l3_msg *l3m, int c
 				tone = TONE_SPECIAL_INFO;
 				break;
 			case TONES_TYPE_OLDGERMAN:
+			case TONES_TYPE_MORSEGERMAN:
 				tone = TONE_SPECIAL_INFO;
 				break;
 			default:
diff --git a/src/isdn/isdn.h b/src/isdn/isdn.h
index ced1dec..68b97d5 100644
--- a/src/isdn/isdn.h
+++ b/src/isdn/isdn.h
@@ -26,6 +26,7 @@
 #define TONES_TYPE_AMERICAN	1
 #define TONES_TYPE_GERMAN	2
 #define TONES_TYPE_OLDGERMAN	3
+#define TONES_TYPE_MORSEGERMAN	4
 
 #define DIRECTION_ORIGINATOR	0
 #define DIRECTION_TERMINATOR	1
diff --git a/src/isdn/main.c b/src/isdn/main.c
index a696b0d..8fd2c4b 100644
--- a/src/isdn/main.c
+++ b/src/isdn/main.c
@@ -134,7 +134,7 @@ static void print_help()
 	printf("        Send AOC-S charging information\n");
 	printf(" --time-no-seconds\n");
 	printf("        Send date/time IE without seconds\n");
-	printf(" -T --local-tones german | oldgerman | american\n");
+	printf(" -T --local-tones german | oldgerman | morsegerman | american\n");
 	printf("        Send locally generated tones, if not provided by remote interface.\n");
 	printf(" -D --debug-misdn\n");
 	printf("        Enables mISDN stack debugging.\n");
@@ -268,6 +268,8 @@ static int handle_options(int short_option, int argi, char **argv)
 			local_tones = TONES_TYPE_GERMAN;
 		else if (!strcasecmp(argv[argi], "oldgerman"))
 			local_tones = TONES_TYPE_OLDGERMAN;
+		else if (!strcasecmp(argv[argi], "morsegerman"))
+			local_tones = TONES_TYPE_MORSEGERMAN;
 		else {
 			fprintf(stderr, "Invalid tones type given!\n");
 			return -EINVAL;
diff --git a/src/isdn/tones.c b/src/isdn/tones.c
index 21ff727..c97ba38 100644
--- a/src/isdn/tones.c
+++ b/src/isdn/tones.c
@@ -258,6 +258,11 @@ static struct pattern {
 	 {SIZE_GO, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
 	 {7956, 0, 0, 0, 0, 0, 0, 0, 0, 0} },
 
+	{TONE_GERMAN_MORSEDIALTONE,
+	 {DATA_GO, DATA_S, DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL},
+	 {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL},
+	 {1600, 2400, 5600, 6400, 0, 0, 0, 0, 0, 0} },
+
 	{TONE_AMERICAN_DIALTONE,
 	 {DATA_DT, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
 	 {SIZE_DT, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
@@ -292,7 +297,7 @@ static struct pattern {
 	{TONE_GERMAN_OLDRINGING,
 	 {DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
 	 {SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
-	 {8000, 40000, 0, 0, 0, 0, 0, 0, 0, 0} },
+	 {8000, 32000, 0, 0, 0, 0, 0, 0, 0, 0} },
 
 	{TONE_AMERICAN_RINGING,
 	 {DATA_RI, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
@@ -317,12 +322,12 @@ static struct pattern {
 	{TONE_GERMAN_BUSY,
 	 {DATA_GA, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
 	 {SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
-	 {4000, 4000, 0, 0, 0, 0, 0, 0, 0, 0} },
+	 {3840, 3840, 0, 0, 0, 0, 0, 0, 0, 0} },
 
 	{TONE_GERMAN_OLDBUSY,
 	 {DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
 	 {SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
-	 {1000, 5000, 0, 0, 0, 0, 0, 0, 0, 0} },
+	 {1000, 3800, 0, 0, 0, 0, 0, 0, 0, 0} },
 
 	{TONE_AMERICAN_BUSY,
 	 {DATA_BU, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
@@ -332,12 +337,12 @@ static struct pattern {
 	{TONE_GERMAN_HANGUP,
 	 {DATA_GA, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
 	 {SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
-	 {4000, 4000, 0, 0, 0, 0, 0, 0, 0, 0} },
+	 {3840, 3840, 0, 0, 0, 0, 0, 0, 0, 0} },
 
 	{TONE_GERMAN_OLDHANGUP,
 	 {DATA_GO, DATA_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
 	 {SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
-	 {1000, 5000, 0, 0, 0, 0, 0, 0, 0, 0} },
+	 {1000, 3800, 0, 0, 0, 0, 0, 0, 0, 0} },
 
 	{TONE_AMERICAN_HANGUP,
 	 {DATA_DT, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
diff --git a/src/libmisdn/mISDNif.h b/src/libmisdn/mISDNif.h
index d51ce6d..9e1ca5f 100644
--- a/src/libmisdn/mISDNif.h
+++ b/src/libmisdn/mISDNif.h
@@ -177,12 +177,13 @@
 #define TONE_OFF			0x0000
 #define TONE_GERMAN_DIALTONE		0x0001
 #define TONE_GERMAN_OLDDIALTONE		0x0002
-#define TONE_AMERICAN_DIALTONE		0x0003
-#define TONE_GERMAN_DIALPBX		0x0004
-#define TONE_GERMAN_OLDDIALPBX		0x0005
-#define TONE_AMERICAN_DIALPBX		0x0006
-#define TONE_GERMAN_RINGING		0x0007
-#define TONE_GERMAN_OLDRINGING		0x0008
+#define TONE_GERMAN_MORSEDIALTONE	0x0003
+#define TONE_AMERICAN_DIALTONE		0x0004
+#define TONE_GERMAN_DIALPBX		0x0005
+#define TONE_GERMAN_OLDDIALPBX		0x0006
+#define TONE_AMERICAN_DIALPBX		0x0007
+#define TONE_GERMAN_RINGING		0x0008
+#define TONE_GERMAN_OLDRINGING		0x0009
 #define TONE_AMERICAN_RINGPBX		0x000b
 #define TONE_GERMAN_RINGPBX		0x000c
 #define TONE_GERMAN_OLDRINGPBX		0x000d
@@ -195,7 +196,7 @@
 #define TONE_AMERICAN_HANGUP		0x0014
 #define TONE_SPECIAL_INFO		0x0015
 #define TONE_GERMAN_GASSENBESETZT	0x0016
-#define TONE_GERMAN_AUFSCHALTTON	0x0016
+#define TONE_GERMAN_AUFSCHALTTON	0x0017
 
 /* MPH_INFORMATION_IND */
 #define L1_SIGNAL_LOS_OFF	0x0010
diff --git a/src/libmisdnuser/include/mISDN/mISDNif.h b/src/libmisdnuser/include/mISDN/mISDNif.h
index 310be44..78c67a6 100644
--- a/src/libmisdnuser/include/mISDN/mISDNif.h
+++ b/src/libmisdnuser/include/mISDN/mISDNif.h
@@ -181,12 +181,13 @@
 #define TONE_OFF			0x0000
 #define TONE_GERMAN_DIALTONE		0x0001
 #define TONE_GERMAN_OLDDIALTONE		0x0002
-#define TONE_AMERICAN_DIALTONE		0x0003
-#define TONE_GERMAN_DIALPBX		0x0004
-#define TONE_GERMAN_OLDDIALPBX		0x0005
-#define TONE_AMERICAN_DIALPBX		0x0006
-#define TONE_GERMAN_RINGING		0x0007
-#define TONE_GERMAN_OLDRINGING		0x0008
+#define TONE_GERMAN_MORSEDIALTONE	0x0003
+#define TONE_AMERICAN_DIALTONE		0x0004
+#define TONE_GERMAN_DIALPBX		0x0005
+#define TONE_GERMAN_OLDDIALPBX		0x0006
+#define TONE_AMERICAN_DIALPBX		0x0007
+#define TONE_GERMAN_RINGING		0x0008
+#define TONE_GERMAN_OLDRINGING		0x0009
 #define TONE_AMERICAN_RINGPBX		0x000b
 #define TONE_GERMAN_RINGPBX		0x000c
 #define TONE_GERMAN_OLDRINGPBX		0x000d
@@ -199,7 +200,7 @@
 #define TONE_AMERICAN_HANGUP		0x0014
 #define TONE_SPECIAL_INFO		0x0015
 #define TONE_GERMAN_GASSENBESETZT	0x0016
-#define TONE_GERMAN_AUFSCHALTTON	0x0016
+#define TONE_GERMAN_AUFSCHALTTON	0x0017
 
 /* MPH_INFORMATION_IND */
 #define L1_SIGNAL_LOS_OFF	0x0010