--- channels/chan_sip.c.orig	2007-03-20 10:47:47.000000000 +0100
+++ channels/chan_sip.c	2007-03-20 10:52:34.000000000 +0100
@@ -4856,10 +4856,14 @@
 			} else {
 				/* XXX This could block for a long time, and block the main thread! XXX */
 				if (audio) {
-					if ( !(hp = ast_gethostbyname(host, &audiohp)))
+					if ( !(hp = ast_gethostbyname(host, &audiohp)))	{
 						ast_log(LOG_WARNING, "Unable to lookup RTP Audio host in secondary c= line, '%s'\n", c);
-				} else if (!(vhp = ast_gethostbyname(host, &videohp)))
+						return -2;
+					}
+				} else if (!(vhp = ast_gethostbyname(host, &videohp))) {
 					ast_log(LOG_WARNING, "Unable to lookup RTP video host in secondary c= line, '%s'\n", c);
+					return -2;
+				}
 			}
 
 		}