--- asterisk-1.6.0.1/channels/chan_sip.c	2008-09-06 13:21:51.000000000 -0700
+++ asterisk-1.6.0.1.new/channels/chan_sip.c	2008-11-16 22:09:27.000000000 -0800
@@ -13933,6 +13933,7 @@
 static char *sip_notify(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
 {
 	struct ast_variable *varlist;
+	struct ast_str *message_body = ast_str_alloca(500);
 	int i;
 
 	switch (cmd) {
@@ -13985,7 +13986,16 @@
 		for (var = varlist; var; var = var->next) {
 			char buf[512];
 			ast_copy_string(buf, var->value, sizeof(buf));
-			add_header(&req, var->name, ast_unescape_semicolon(buf));
+			if (0 == strcmp(var->name, "Message-Body")) {
+				ast_str_append(&message_body, 0, "%s\r\n", buf);
+			} else {
+				add_header(&req, var->name, ast_unescape_semicolon(buf));
+			}
+		}
+
+		if (message_body->used != 0) {
+			add_header_contentLength(&req, message_body->used);
+			add_line(&req, message_body->str);
 		}
 
 		/* Recalculate our side, and recalculate Call ID */