+
+my ($add_at1, $add_at2, $add_at3);
+
+if ($pppsettings{'ADD_AT1'} eq '') {
+ $add_at1 = 'AT'; }
+else {
+ $add_at1 = $pppsettings{'ADD_AT1'}; }
+if ($pppsettings{'ADD_AT2'} eq '') {
+ $add_at2 = 'AT'; }
+else {
+ $add_at2 = $pppsettings{'ADD_AT2'}; }
+if ($pppsettings{'ADD_AT3'} eq '') {
+ $add_at3 = 'AT'; }
+else {
+ $add_at3 = $pppsettings{'ADD_AT3'}; }
+