diff --git a/modules/clan/phonebox/default.nix b/modules/clan/phonebox/default.nix
index 1598eef..95ccbb9 100644
--- a/modules/clan/phonebox/default.nix
+++ b/modules/clan/phonebox/default.nix
@@ -228,13 +228,21 @@
                   '';
 
                   # Dial plan config
-                  "extensions.conf" = ''
-                    [from-internal]
-                    exten => 100,1,Answer()
-                    same  =>     n,Playback(hello-world)
-                    same  =>     n,Hangup()
+                  "extensions.conf" =
+                    let
+                      serverConf = builtins.foldl' (
+                        config: node: config ++ (genExtentConf node.prefixNumber node.hostname)
+                      ) "" nodes;
+                    in
+                    ''
+                      [from-internal]
+                      exten => 100,1,Answer()
+                      same  =>     n,Playback(hello-world)
+                      same  =>     n,Hangup()
 
-                  '';
+                    ''
+                    + (genLocalExtenConf config.clan.core.vars.generators.phonebox.files.ata-local-number.value)
+                    + serverConf;
 
                   "rtp.conf" = ''
                     [general]