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lastFile:modules/clan/phonebox/default.nix

machines/rigel/configuration.nix

@@ -1,4 +1,9 @@
-{ config, pkgs, self, ... }:
+{
+  config,
+  pkgs,
+  self,
+  ...
+}:
 {
   imports = [
     (import ../../lib/auto-accept-zerotier-members.nix {

modules/clan/phonebox/default.nix

@@ -31,6 +31,7 @@
           }:
           let
             user = "asterisk";
+            faxDir = "/run/asterisk/fax";
             rtpPortFrom = 10000;
             rtpPortTo = 20000;
             ata-interface = settings.ata-ethernet-iface;
@@ -259,26 +260,20 @@
                       ) "" nodes;
                     in
                     ''
-                      [send-fax-sub]
-                      exten => s,1,SendFAX($FAXFILE)
-                      same => n,Return()
-
-                      [sendfax]
-                      exten => s,1,SendFAX(/run/asterisk/test.tiff)
-                      same => n,Hangup()
-
                       [from-internal]
                       exten => 999,1,Answer()
                       same  =>     n,Playback(hello-world)
                       same  =>     n,Hangup()
 
                       exten => 000,1,Answer()
-                      same => n,ReceiveFAX(/run/asterisk/test.tiff)
+                      same => n,ReceiveFAX(${faxDir}/echo-''${UNIQUEID}.tiff)
-                      same => n,Set(FAXFILE=/run/asterisk/test.tiff)
+                      same => n,Set(FAXFILE=${faxDir}/echo-''${UNIQUEID}.tiff)
-                      same => n,Hangup()
+                      same => n,Set(FAXECHO=true)
 
-                      exten => h,1,NoOp(After Hangup)
+                      exten => h,1,GotoIf($[''${FAXECHO}]?sendfax)
-                      same => n,Originate(PJSIP/00,app,SendFAX,/run/asterisk/test.tiff)
+                      same => n,Hangup()
+                      same => n(sendfax),Originate(PJSIP/00,app,SendFAX,${faxDir}/echo-''${UNIQUEID}.tiff)
+                      same => n,Set(FAXECHO=false)
 
                     ''
                     + (genLocalExtenConf {
@@ -341,6 +336,10 @@
                 };
             };
 
+            systemd.tmpfiles.rules = [
+              "d ${faxDir}                            0755 ${user} ${user} - -"
+            ];
+
             systemd.services.asterisk-watcher = {
               enable = true;
               description = "Asterisk Configuration files watcher";