diff --git a/modules/clan/phonebox/default.nix b/modules/clan/phonebox/default.nix
index 446fc39..4d0a954 100644
--- a/modules/clan/phonebox/default.nix
+++ b/modules/clan/phonebox/default.nix
@@ -257,6 +257,17 @@
                       same  =>     n,Playback(hello-world)
                       same  =>     n,Hangup()
 
+                      exten => 000,1,Answer()
+                      same => n,ReceiveFAX(/run/asterisk/test.tiff)
+                      same => n,Set(FAXFILE=/run/asterisk/test.tiff)
+                      same => n,Hangup()
+                      same => n,Dial(PJSIP/''${CALLERID (num)},30,U(send-fax-sub))
+                      same => n,Hangup()
+
+                      [send-fax-sub]
+                      exten => s,1,SendFAX($FAXFILE)
+                      same => n,Return()
+
                     ''
                     + (genLocalExtenConf {
                       localNumber = config.clan.core.vars.generators.phonebox.files.ata-local-number.value;