--- apps/app_dial.c~	2009-03-19 14:33:19.000000000 -0600
+++ apps/app_dial.c	2009-05-01 11:27:52.000000000 -0600
@@ -491,7 +491,9 @@ static void do_forward(struct chanlist *
 	char *stuff;
 	char *tech;
 	int cause;
+	char diverted_by[256];
 
+	ast_copy_string(diverted_by, original->name, sizeof(diverted_by));
 	ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
 	if ((stuff = strchr(tmpchan, '/'))) {
 		*stuff++ = '\0';
@@ -531,6 +533,8 @@ static void do_forward(struct chanlist *
 		char *new_cid_num, *new_cid_name;
 		struct ast_channel *src;
 
+		pbx_builtin_setvar_helper(c, "DIVERTED_BY", diverted_by);
+
 		ast_rtp_make_compatible(c, in, single);
 		if (ast_test_flag64(o, OPT_FORCECLID)) {
 			new_cid_num = ast_strdup(S_OR(in->macroexten, in->exten));