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lastFile:modules/clan/phonebox/default.nix

inventories/default.nix

@@ -109,6 +109,12 @@
           roles.default.machines."adhil".settings = {
             ata-ethernet-iface = "end0";
           };
+          roles.default.machines."rigel".settings = {
+            extraClientNumbers = [
+              "01"
+              "02"
+            ];
+          };
         };
 
         pocket-id = {

modules/clan/phonebox/default.nix

@@ -14,6 +14,11 @@
           description = "An Ethernet interface that connect to ATA box.";
           default = "enp2s0";
         };
+        options.extraClientNumbers = lib.mkOption {
+          type = with lib.types; listOf str;
+          description = "List of client suffix number.";
+          default = [ ];
+        };
       };
     perInstance =
       {
@@ -30,7 +35,12 @@
             ...
           }:
           let
+            asterisk = pkgs.asterisk.overrideAttrs (old: {
+              propagatedNativeBuildInputs = [ pkgs.spandsp3 ];
+            });
+
             user = "asterisk";
+            faxDir = "/run/asterisk/fax";
             rtpPortFrom = 10000;
             rtpPortTo = 20000;
             ata-interface = settings.ata-ethernet-iface;
@@ -191,6 +201,7 @@
 
             services.asterisk = {
               enable = lib.mkDefault true;
+              package = lib.mkDefault asterisk;
               confFiles =
                 let
                   machines = lib.attrNames roles.default.machines;
@@ -240,6 +251,13 @@
                     syslog.local0 => notice,warning,error
                   '';
 
+                  "modules.conf" = ''
+                    [modules]
+                    autoload=yes
+
+                    load => res_fax_spandsp.so
+                  '';
+
                   # Dial plan config
                   "extensions.conf" =
                     let
@@ -257,10 +275,23 @@
                       same  =>     n,Playback(hello-world)
                       same  =>     n,Hangup()
 
+                      exten => 000,1,Answer()
+                      same => n,ReceiveFAX(${faxDir}/echo-''${UNIQUEID}.tiff)
+                      same => n,Set(FAXFILE=${faxDir}/echo-''${UNIQUEID}.tiff)
+                      same => n,Set(FAXECHO=true)
+
+                      exten => h,1,GotoIf($[''${FAXECHO}]?sendfax)
+                      same => n,Hangup()
+                      same => n(sendfax),Originate(PJSIP/00,app,SendFAX,${faxDir}/echo-''${UNIQUEID}.tiff)
+                      same => n,Set(FAXECHO=false)
+
                     ''
                     + (genLocalExtenConf {
                       localNumber = config.clan.core.vars.generators.phonebox.files.ata-local-number.value;
                     })
+                    + lib.concatStringsSep "\n" (
+                      builtins.map (number: genLocalExtenConf { localNumber = number; }) settings.extraClientNumbers
+                    )
                     + serverConf;
 
                   "rtp.conf" = ''
@@ -314,10 +345,17 @@
                     + (genLocalSIPEndpoint {
                       localNumber = config.clan.core.vars.generators.phonebox.files.ata-local-number.value;
                     })
+                    + lib.concatStringsSep "\n" (
+                      builtins.map (number: genLocalSIPEndpoint { localNumber = number; }) settings.extraClientNumbers
+                    )
                     + serverConf;
                 };
             };
 
+            systemd.tmpfiles.rules = [
+              "d ${faxDir}                            0755 ${user} ${user} - -"
+            ];
+
             systemd.services.asterisk-watcher = {
               enable = true;
               description = "Asterisk Configuration files watcher";