diff --git a/config.ini b/config.ini
new file mode 100644
index 0000000..9933a58
--- /dev/null
+++ b/config.ini
@@ -0,0 +1,4 @@
+target_extensions = 334,338
+list_filter_type = whitelist
+extension_list = 404,911
+blacklisted_terms = vestibule, inpatient
diff --git a/extensions.ini b/extensions.ini
deleted file mode 100644
index 6ec6126..0000000
--- a/extensions.ini
+++ /dev/null
@@ -1 +0,0 @@
-extensions = 334,338
diff --git a/gen_pc_sidecar.php b/gen_pc_sidecar.php
index 723f9f3..4297d41 100755
--- a/gen_pc_sidecar.php
+++ b/gen_pc_sidecar.php
@@ -5,15 +5,15 @@ $bootstrap_settings['freepbx_auth'] = false;
 require_once('/etc/freepbx.conf');
 
 function main(): void {
+  $TARGET_EXTENSIONS = "target_extensions";
 
   $provision_dir = '/tftpboot';
   $argv = $_SERVER['argv'] ?? [];
   $do_notify = in_array('--notify', $argv, true);
 
-
   $pbdb = trim_db(pull_db());
 
-  $ext_list = read_extension_ini();
+  $ext_list = read_config_ini($TARGET_EXTENSIONS);
   $mac_list = pull_mac_list();
 
   foreach ($ext_list as $ext) {
@@ -64,6 +64,8 @@ function pull_db(): array {
   }
 
 function trim_db($pbdb): array {
+  $BLACKLISTED_TERMS = "blacklisted_terms";
+
   $pbdb_prepend = [
     [ 'name' => 'Night Hours', 'extension' => '*271', ],
     [ 'name' => 'Overhead Page', 'extension' => '900', ],
@@ -73,11 +75,8 @@ function trim_db($pbdb): array {
   ];
 
   array_unshift($pbdb, ...$pbdb_prepend);
-
-  $remove_names = [
-    'inpatient',
-    'vestibule'
-  ];
+  
+  $remove_names = read_config_ini($BLACKLISTED_TERMS);
 
   $filtered = array_filter($pbdb, function ($item) use ($remove_names) {
       if (!is_array($item) || !isset($item['name'])) {
@@ -114,9 +113,9 @@ function pull_mac_list(): array {
   return array_column($mac_db, 'mac', 'ext');
 }
 
-function read_extension_ini(): array {
-  $extensions = parse_ini_file('extensions.ini');
-  $ext_list = array_map('intval', explode(',', $extensions['extensions']));
+function read_config_ini($CONFIG_KEY): array {
+  $extensions = parse_ini_file('config.ini');
+  $ext_list = array_map('intval', explode(',', $extensions[$CONFIG_KEY]));
 
   return $ext_list;
 }