diff --git a/Makefile b/Makefile
index adacfa7..9f7ce8a 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,7 @@ ENABLE_PWRON_PASSWORD            := 0
 ENABLE_RESET_AES_KEY             := 0
 ENABLE_BIG_FREQ                  := 0
 ENABLE_DTMF_LIVE_DECODER         := 0
-ENABLE_DTMF_TIMING_SETTINGS      := 1
+ENABLE_DTMF_TIMING_SETTINGS      := 0
 ENABLE_SHOW_FREQ_IN_CHAN         := 1
 # smaa bolf 580 B
 ENABLE_SMALL_BOLD                := 0
@@ -336,6 +336,9 @@ endif
 ifeq ($(ENABLE_DTMF_LIVE_DECODER),1)
 	CFLAGS  += -DENABLE_DTMF_LIVE_DECODER
 endif
+ifeq ($(ENABLE_DTMF_TIMING_SETTINGS),1)
+	CFLAGS  += -DENABLE_DTMF_TIMING_SETTINGS
+endif
 ifeq ($(ENABLE_SHOW_FREQ_IN_CHAN),1)
 	CFLAGS  += -DENABLE_SHOW_FREQ_IN_CHAN
 endif
diff --git a/app/menu.c b/app/menu.c
index d657bdd..9a82968 100644
--- a/app/menu.c
+++ b/app/menu.c
@@ -360,15 +360,13 @@ int MENU_GetLimits(uint8_t Cursor, int32_t *pMin, int32_t *pMax)
 				*pMax = 99;
 				break;
 
-//	MENU_DTMF_1ST_PERSIST,
-//	MENU_DTMF_HASH_PERSIST,
-//	MENU_DTMF_PERSIST,
-//	MENU_DTMF_INTERVAL,
-
-//	g_eeprom.config.setting.dtmf.first_code_persist_time = (g_eeprom.config.setting.dtmf.first_code_persist_time < 8 || g_eeprom.config.setting.dtmf.first_code_persist_time > 20) ? 10 : g_eeprom.config.setting.dtmf.first_code_persist_time;
-//	g_eeprom.config.setting.dtmf.hash_code_persist_time  = (g_eeprom.config.setting.dtmf.hash_code_persist_time  < 8 || g_eeprom.config.setting.dtmf.hash_code_persist_time  > 20) ? 10 : g_eeprom.config.setting.dtmf.hash_code_persist_time;
-//	g_eeprom.config.setting.dtmf.code_persist_time       = (g_eeprom.config.setting.dtmf.code_persist_time       < 8 || g_eeprom.config.setting.dtmf.code_persist_time       > 20) ? 10 : g_eeprom.config.setting.dtmf.code_persist_time;
-//	g_eeprom.config.setting.dtmf.code_interval_time      = (g_eeprom.config.setting.dtmf.code_interval_time      < 8 || g_eeprom.config.setting.dtmf.code_interval_time      > 20) ? 10 : g_eeprom.config.setting.dtmf.code_interval_time;
+			case MENU_DTMF_1ST_PERSIST:
+			case MENU_DTMF_HASH_PERSIST:
+			case MENU_DTMF_PERSIST:
+			case MENU_DTMF_INTERVAL:
+				*pMin = 5;
+				*pMax = 20;
+				break;
 		#endif
 
 		case MENU_DTMF_LIST:
@@ -756,15 +754,21 @@ void MENU_AcceptSetting(void)
 				g_eeprom.config.setting.dtmf.preload_time = g_sub_menu_selection;
 				break;
 
-//	MENU_DTMF_1ST_PERSIST,
-//	MENU_DTMF_HASH_PERSIST,
-//	MENU_DTMF_PERSIST,
-//	MENU_DTMF_INTERVAL,
+			case MENU_DTMF_1ST_PERSIST:
+				g_eeprom.config.setting.dtmf.first_code_persist_time = g_sub_menu_selection;
+				break;
 
-//	g_eeprom.config.setting.dtmf.first_code_persist_time
-//	g_eeprom.config.setting.dtmf.hash_code_persist_time
-//	g_eeprom.config.setting.dtmf.code_persist_time
-//	g_eeprom.config.setting.dtmf.code_interval_time
+			case MENU_DTMF_HASH_PERSIST:
+				g_eeprom.config.setting.dtmf.hash_code_persist_time = g_sub_menu_selection;
+				break;
+
+			case MENU_DTMF_PERSIST:
+				g_eeprom.config.setting.dtmf.code_persist_time = g_sub_menu_selection;
+				break;
+
+			case MENU_DTMF_INTERVAL:
+				g_eeprom.config.setting.dtmf.code_interval_time = g_sub_menu_selection;
+				break;
 		#endif
 
 		#ifdef ENABLE_MDC1200
@@ -1300,15 +1304,21 @@ void MENU_ShowCurrentSetting(void)
 				g_sub_menu_selection = g_eeprom.config.setting.dtmf.preload_time;
 				break;
 
-//	MENU_DTMF_1ST_PERSIST,
-//	MENU_DTMF_HASH_PERSIST,
-//	MENU_DTMF_PERSIST,
-//	MENU_DTMF_INTERVAL,
+			case MENU_DTMF_1ST_PERSIST:
+				g_sub_menu_selection = g_eeprom.config.setting.dtmf.first_code_persist_time;
+				break;
 
-//	g_eeprom.config.setting.dtmf.first_code_persist_time
-//	g_eeprom.config.setting.dtmf.hash_code_persist_time
-//	g_eeprom.config.setting.dtmf.code_persist_time
-//	g_eeprom.config.setting.dtmf.code_interval_time
+			case MENU_DTMF_HASH_PERSIST:
+				g_sub_menu_selection = g_eeprom.config.setting.dtmf.hash_code_persist_time;
+				break;
+
+			case MENU_DTMF_PERSIST:
+				g_sub_menu_selection = g_eeprom.config.setting.dtmf.code_persist_time;
+				break;
+
+			case MENU_DTMF_INTERVAL:
+				g_sub_menu_selection = g_eeprom.config.setting.dtmf.code_interval_time;
+				break;
 		#endif
 
 		#ifdef ENABLE_MDC1200
diff --git a/firmware.bin b/firmware.bin
index 02e6cc1..7bfbc44 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index ffcf602..e2ac9a4 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/settings.c b/settings.c
index 0a988c6..33fbe70 100644
--- a/settings.c
+++ b/settings.c
@@ -231,10 +231,10 @@ void SETTINGS_read_eeprom(void)
 	g_eeprom.config.setting.dtmf.auto_reset_time         = (g_eeprom.config.setting.dtmf.auto_reset_time <= DTMF_HOLD_MAX) ? g_eeprom.config.setting.dtmf.auto_reset_time : (g_eeprom.config.setting.dtmf.auto_reset_time >= DTMF_HOLD_MIN) ? g_eeprom.config.setting.dtmf.auto_reset_time : DTMF_HOLD_MAX;
 #endif
 	g_eeprom.config.setting.dtmf.preload_time            = (g_eeprom.config.setting.dtmf.preload_time            < 3 || g_eeprom.config.setting.dtmf.preload_time            > 99) ? 30 : g_eeprom.config.setting.dtmf.preload_time;
-	g_eeprom.config.setting.dtmf.first_code_persist_time = (g_eeprom.config.setting.dtmf.first_code_persist_time < 8 || g_eeprom.config.setting.dtmf.first_code_persist_time > 20) ? 10 : g_eeprom.config.setting.dtmf.first_code_persist_time;
-	g_eeprom.config.setting.dtmf.hash_code_persist_time  = (g_eeprom.config.setting.dtmf.hash_code_persist_time  < 8 || g_eeprom.config.setting.dtmf.hash_code_persist_time  > 20) ? 10 : g_eeprom.config.setting.dtmf.hash_code_persist_time;
-	g_eeprom.config.setting.dtmf.code_persist_time       = (g_eeprom.config.setting.dtmf.code_persist_time       < 8 || g_eeprom.config.setting.dtmf.code_persist_time       > 20) ? 10 : g_eeprom.config.setting.dtmf.code_persist_time;
-	g_eeprom.config.setting.dtmf.code_interval_time      = (g_eeprom.config.setting.dtmf.code_interval_time      < 8 || g_eeprom.config.setting.dtmf.code_interval_time      > 20) ? 10 : g_eeprom.config.setting.dtmf.code_interval_time;
+	g_eeprom.config.setting.dtmf.first_code_persist_time = (g_eeprom.config.setting.dtmf.first_code_persist_time < 5 || g_eeprom.config.setting.dtmf.first_code_persist_time > 20) ? 10 : g_eeprom.config.setting.dtmf.first_code_persist_time;
+	g_eeprom.config.setting.dtmf.hash_code_persist_time  = (g_eeprom.config.setting.dtmf.hash_code_persist_time  < 5 || g_eeprom.config.setting.dtmf.hash_code_persist_time  > 20) ? 10 : g_eeprom.config.setting.dtmf.hash_code_persist_time;
+	g_eeprom.config.setting.dtmf.code_persist_time       = (g_eeprom.config.setting.dtmf.code_persist_time       < 5 || g_eeprom.config.setting.dtmf.code_persist_time       > 20) ? 10 : g_eeprom.config.setting.dtmf.code_persist_time;
+	g_eeprom.config.setting.dtmf.code_interval_time      = (g_eeprom.config.setting.dtmf.code_interval_time      < 5 || g_eeprom.config.setting.dtmf.code_interval_time      > 20) ? 10 : g_eeprom.config.setting.dtmf.code_interval_time;
 #if 0
 	#ifdef ENABLE_KILL_REVIVE
 		g_eeprom.config.setting.dtmf.permit_remote_kill  = (g_eeprom.config.setting.dtmf.permit_remote_kill <   2) ? g_eeprom.config.setting.dtmf.permit_remote_kill : 0;
diff --git a/ui/menu.c b/ui/menu.c
index 18fbe9c..100d72c 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -127,14 +127,10 @@ const t_menu_item g_menu_list[] =
 #endif
 #ifdef ENABLE_DTMF_TIMING_SETTINGS
 	{"D PRE",  VOICE_ID_INVALID,                       MENU_DTMF_PRE              },
-//	MENU_DTMF_1ST_PERSIST,
-//	MENU_DTMF_HASH_PERSIST,
-//	MENU_DTMF_PERSIST,
-//	MENU_DTMF_INTERVAL,
-//	g_eeprom.config.setting.dtmf.first_code_persist_time
-//	g_eeprom.config.setting.dtmf.hash_code_persist_time
-//	g_eeprom.config.setting.dtmf.code_persist_time
-//	g_eeprom.config.setting.dtmf.code_interval_time
+	{"D1PERS", VOICE_ID_INVALID,                       MENU_DTMF_1ST_PERSIST      },
+	{"DHPERS", VOICE_ID_INVALID,                       MENU_DTMF_HASH_PERSIST     },
+	{"D PER",  VOICE_ID_INVALID,                       MENU_DTMF_PERSIST          },
+	{"D INT",  VOICE_ID_INVALID,                       MENU_DTMF_INTERVAL         },
 #endif
 	{"PonMSG", VOICE_ID_INVALID,                       MENU_PON_MSG               },
 	{"ROGER",  VOICE_ID_INVALID,                       MENU_ROGER_MODE            },
@@ -1085,19 +1081,31 @@ void UI_DisplayMenu(void)
 
 		#ifdef ENABLE_DTMF_TIMING_SETTINGS
 			case MENU_DTMF_PRE:
-				strcpy(str, "DTMF BOT\nDELAY\n");
+			case MENU_DTMF_1ST_PERSIST:
+			case MENU_DTMF_HASH_PERSIST:
+			case MENU_DTMF_PERSIST:
+			case MENU_DTMF_INTERVAL:
+				strcpy(str, "DTMF ");
+				switch (g_menu_cursor)
+				{
+					case MENU_DTMF_PRE:
+						strcat(str, " PRE\n");
+						break;
+					case MENU_DTMF_1ST_PERSIST:
+						strcat(str, "1 CODE\nPERSIST\n");
+						break;
+					case MENU_DTMF_HASH_PERSIST:
+						strcat(str, "#\nPERSIST\n");
+						break;
+					case MENU_DTMF_PERSIST:
+						strcat(str, "CODE\nPERSIST\n");
+						break;
+					case MENU_DTMF_INTERVAL:
+						strcat(str, "CODE\nINTERVAL\n");
+						break;
+				}
 				sprintf(str + strlen(str), "%dms", 10 * g_sub_menu_selection);
 				break;
-
-//	MENU_DTMF_1ST_PERSIST,
-//	MENU_DTMF_HASH_PERSIST,
-//	MENU_DTMF_PERSIST,
-//	MENU_DTMF_INTERVAL,
-
-//	g_eeprom.config.setting.dtmf.first_code_persist_time
-//	g_eeprom.config.setting.dtmf.hash_code_persist_time
-//	g_eeprom.config.setting.dtmf.code_persist_time
-//	g_eeprom.config.setting.dtmf.code_interval_time
 		#endif
 
 		#ifdef ENABLE_MDC1200
diff --git a/ui/menu.h b/ui/menu.h
index a2f934c..b72ab5e 100644
--- a/ui/menu.h
+++ b/ui/menu.h
@@ -108,14 +108,10 @@ enum
 #endif
 #ifdef ENABLE_DTMF_TIMING_SETTINGS
 	MENU_DTMF_PRE,
-//	MENU_DTMF_1ST_PERSIST,
-//	MENU_DTMF_HASH_PERSIST,
-//	MENU_DTMF_PERSIST,
-//	MENU_DTMF_INTERVAL,
-//	g_eeprom.config.setting.dtmf.first_code_persist_time
-//	g_eeprom.config.setting.dtmf.hash_code_persist_time
-//	g_eeprom.config.setting.dtmf.code_persist_time
-//	g_eeprom.config.setting.dtmf.code_interval_time
+	MENU_DTMF_1ST_PERSIST,
+	MENU_DTMF_HASH_PERSIST,
+	MENU_DTMF_PERSIST,
+	MENU_DTMF_INTERVAL,
 #endif
 #ifdef ENABLE_MDC1200
 	MENU_MDC1200_MODE,