X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=apppbx.cpp;h=25521dddb6907efd68cd774233cd31fc124453c8;hp=2a91364c3c03b22cc749fe0352c0ef339cd70ed9;hb=feea42c7f7f2e171c1490bd0d3af09beba629f21;hpb=8e459a7c85348cb68e66daecafe2dd6e5e06a23e

diff --git a/apppbx.cpp b/apppbx.cpp
index 2a91364..25521dd 100644
--- a/apppbx.cpp
+++ b/apppbx.cpp
@@ -550,28 +550,36 @@ struct mISDNport *EndpointAppPBX::hunt_port(char *ifname, int *channel)
 	struct select_channel *selchannel; 
 	struct mISDNport *mISDNport;
 	int index, i;
+	int there_is_an_external = 0;
 
 	interface = interface_first;
 
 	/* first find the given interface or, if not given, one with no extension */
 	checknext:
-	if (!interface)
+	if (!interface) {
+		if (!there_is_an_external && !(ifname && ifname[0])) {
+			trace_header("CHANNEL SELECTION (no external interface specified)", DIRECTION_NONE);
+			add_trace("info", NULL, "Add 'external' parameter to interface.conf.");
+			end_trace();
+		}
 		return(NULL);
+	}
 
 	/* check for given interface */
-	if (ifname) {
+	if (ifname && ifname[0]) {
 		if (!strcasecmp(interface->name, ifname)) {
 			/* found explicit interface */
-			trace_header("CHANNEL SELECTION (found interface)", DIRECTION_NONE);
+			trace_header("CHANNEL SELECTION (found given interface)", DIRECTION_NONE);
 			add_trace("interface", NULL, "%s", ifname);
 			end_trace();
 			goto foundif;
 		}
 
 	} else {
-		if (!interface->extension) {
+		if (interface->external) {
+			there_is_an_external = 1;
 			/* found non extension */
-			trace_header("CHANNEL SELECTION (found non extension interface)", DIRECTION_NONE);
+			trace_header("CHANNEL SELECTION (found external interface)", DIRECTION_NONE);
 			add_trace("interface", NULL, "%s", interface->name);
 			end_trace();
 			goto foundif;