Work on intercept.lua to prevent an error with the hostname.

resources/install/scripts/intercept.lua

@@ -45,6 +45,12 @@
 		dbh = database_handle('switch');
 	end
 
+--prepare the api object
+	api = freeswitch.API();
+
+--add the function
+	dofile(scripts_dir.."/resources/functions/trim.lua");
+
 --exits the script if we didn't connect properly
 	assert(dbh:connected());
 
@@ -109,6 +115,11 @@ if ( session:ready() ) then
 				end
 		end
 
+	--predefined variables
+		uuid = '';
+		call_hostname = '';
+		callee_num = '';
+
 	--check the database to get the uuid of a ringing call
 		sql = "select call_uuid as uuid, hostname, callee_num, ip_addr from channels ";
 		sql = sql .. "where callstate = 'RINGING' ";
@@ -129,12 +140,11 @@ if ( session:ready() ) then
 			uuid = result.uuid;
 			call_hostname = result.hostname;
 			callee_num = result.callee_num;
-			ip_addr = result.ip_addr;
 		end);
 end
 
 --get the hostname
-	hostname = freeswitch.getGlobalVariable("hostname");
+	hostname = trim(api:execute("hostname", ""));
 	freeswitch.consoleLog("NOTICE", "Hostname:"..hostname.."  Call Hostname:"..call_hostname.."\n");
 
 --intercept a call that is ringing