Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 7252)
+++ channels/chan_sip.c	(working copy)
@@ -8605,7 +8605,7 @@
 		}
 
 		if (sipdebug)
-			ast_verbose("* DTMF-relay event received: '%c'\n", buf[0]);
+			ast_verbose("* DTMF-relay event received: '%s'\n", buf);
 		if (buf[0] == '*')
 			event = 10;
 		else if (buf[0] == '#')