Index: zonedata.c
===================================================================
--- zonedata.c	(revision 1109)
+++ zonedata.c	(working copy)
@@ -578,5 +578,19 @@
 		{ ZT_TONE_STUTTER,    "!400/200,!0/200,!400/600,!0/200,!400/200,!0/200,!400/600,!0/200,!400/200,!0/200,!400/600,!0/200,!400/200,!0/200,!400/600,!0/200,400" },
 	  },
 	},
+	{ 37, "bg", "Bulgaria", { 1000, 4000 },
+          {
+		/* Reference: http://www.itu.int/ITU-T/inr/forms/files/tones-0203.pdf */
+		{ ZT_TONE_DIALTONE,   "425" },
+		{ ZT_TONE_BUSY,       "425/500,0/500" },
+		{ ZT_TONE_RINGTONE,   "425/1000,0/4000" },
+		{ ZT_TONE_CONGESTION, "425/250,0/250" },
+		{ ZT_TONE_CALLWAIT,   "425/150,0/150,425/150,0/4000" },
+		{ ZT_TONE_DIALRECALL, "!425/100,!0/100,!425/100,!0/100,!425/100,!0/100,425" },
+		{ ZT_TONE_RECORDTONE, "1400/425,0/15000" },
+		{ ZT_TONE_INFO,       "950/330,1400/330,1800/330,0/1000" },
+		{ ZT_TONE_STUTTER,    "425/1500,0/100" },
+	  },
+	},
 	{ -1 }		
 };