diff -uNr asterisk-1.8.1-rc1-orig/main/tcptls.c asterisk-1.8.1-rc1/main/tcptls.c
--- asterisk-1.8.1-rc1-orig/main/tcptls.c	2010-07-08 22:08:07.000000000 +0000
+++ asterisk-1.8.1-rc1/main/tcptls.c	2010-11-24 15:34:04.000000000 +0000
@@ -318,7 +318,7 @@
 	}
 	if (!ast_strlen_zero(cfg->certfile)) {
 		char *tmpprivate = ast_strlen_zero(cfg->pvtfile) ? cfg->certfile : cfg->pvtfile;
-		if (SSL_CTX_use_certificate_file(cfg->ssl_ctx, cfg->certfile, SSL_FILETYPE_PEM) == 0) {
+		if (SSL_CTX_use_certificate_chain_file(cfg->ssl_ctx, cfg->certfile) == 0) {
 			if (!client) {
 				/* Clients don't need a certificate, but if its setup we can use it */
 				ast_verb(0, "SSL error loading cert file. <%s>", cfg->certfile);