diff -Nurp -x .svn a/channels/chan_sip.c b/channels/chan_sip.c
--- a/channels/chan_sip.c	2009-09-16 14:32:54.185509968 -0400
+++ b/channels/chan_sip.c	2009-09-16 14:34:15.944581908 -0400
@@ -2964,7 +2964,7 @@ static void *_sip_tcp_helper_thread(stru
 			while (cl > 0) {
 				size_t bytes_read;
 				ast_mutex_lock(&tcptls_session->lock);
-				if (!(bytes_read = fread(buf, MIN(sizeof(buf) - 1, cl), 1, tcptls_session->f))) {
+				if (!(bytes_read = fread(buf, 1, MIN(sizeof(buf) - 1, cl), tcptls_session->f))) {
 					ast_mutex_unlock(&tcptls_session->lock);
 					goto cleanup;
 				}