Add. optional intercept only inbound/outbound calls.

Note.
  * `inbound` is call to some extension
  * `outbound` is call from some extension to external number.

Currently there no way to find call from extension to extension as `outbound`

resources/install/scripts/intercept.lua

@@ -25,6 +25,7 @@
 
 --user defined variables
 	local extension = argv[1];
+	local direction = argv[2] or extension and 'inbound' or 'all';
 
 -- we can use any number because other box should check sip_h_X_*** headers first
 	local pickup_number = '*8' -- extension and '**' or '*8'
@@ -254,9 +255,20 @@
 			-- next check should prevent pickup call from extension
 			-- e.g. if extension 100 dial some cell phone and some one else dial *8
 			-- he can pickup this call.
-			if not extension then
-				sql = sql .. "AND direction = 'outbound' ";
+			if not direction:find('all') then
+				sql = sql .. "AND (1 <> 1 "
+				-- calls from freeswitch to user
+					if direction:find('inbound') then
+						sql = sql .. "OR direction = 'outbound' ";
+					end
+
+				-- calls from user to freeswitch
+					if direction:find('outbound') then
+						sql = sql .. "OR direction = 'inbound' ";
+					end
+				sql = sql .. ")"
 			end
+
 			sql = sql .. "AND (1<>1 ";
 			for key,extension in pairs(extensions) do
 				sql = sql .. "OR presence_id = '"..extension.."@"..domain_name.."' ";

resources/install/scripts/intercept_group.lua

@@ -15,4 +15,7 @@
 --	The Original Code is FusionPBX
 --
 
+-- shift arguments
+	argv[1], argv[2] = nil, argv[1]
+
 require "intercept"