feat: enable person lines that are not connected to the single shared line

modules/voip/asterisk/default.nix

@@ -42,14 +42,18 @@ let
   # Shared phones (no personal mailbox) and sip-clients use L1 for everything.
   phoneHasL2 = key:
     let phone = allPhones.${key};
-    in phone.personKey != null && models.${phone.model}.hasMultiLine;
+    in phone.personKey != null && phone.sharedLine && models.${phone.model}.hasMultiLine;
 
   # Dial target: L2 for provisioned phones, L1 for sip-clients (can only register once)
   dialTarget = key: if phoneHasL2 key then "PJSIP/${key}-l2" else "PJSIP/${key}";
 
   # Dial target strings
+  # L2 endpoints for "all" DID routing: shared phones (always) + persons with sharedLine = true
   allL2Endpoints = lib.concatStringsSep "&"
-    (map dialTarget (lib.attrNames allPhones));
+    (map dialTarget
+      (lib.attrNames (lib.filterAttrs (_: phone:
+        phone.personKey == null || phone.sharedLine
+      ) allPhones)));
 
   personL1Endpoints = personKey:
     lib.concatStringsSep "&"

modules/voip/dashboard.nix

@@ -20,7 +20,7 @@ let
   # Whether a phone gets an L2 line (same logic as asterisk.nix)
   phoneHasL2 = key:
     let phone = allPhones.${key};
-    in phone.personKey != null && models.${phone.model}.hasMultiLine;
+    in phone.personKey != null && phone.sharedLine && models.${phone.model}.hasMultiLine;
 
   # ── Nodes ───────────────────────────────────────────────────────────────
 

modules/voip/options.nix

@@ -82,6 +82,15 @@ in {
             default     = "";
             description = "Name shown in the directory and on caller ID.";
           };
+          sharedLine = lib.mkOption {
+            type        = lib.types.bool;
+            default     = true;
+            description = ''
+              Whether this person's phones participate in the shared/family line (L2).
+              Set to false for persons who should only be reachable on their personal
+              extension and must not appear in "all" DID routing.
+            '';
+          };
           mailbox = lib.mkOption {
             type        = lib.types.bool;
             default     = true;

modules/voip/phones.nix

@@ -62,6 +62,7 @@ let
       extension   = p.extension;
       displayName = p.displayName;
       personKey   = null;
+      sharedLine  = true;   # shared phones always participate in shared line
       mailboxExt  = null;   # shared phones have no personal mailbox
     }) cfg.sharedPhones
     //
@@ -71,6 +72,7 @@ let
         extension   = person.extension;
         displayName = person.displayName;
         personKey   = personKey;
+        sharedLine  = person.sharedLine;
         mailboxExt  = if person.mailbox then person.extension else null;
       }) person.phones
     ) {} cfg.persons;

modules/voip/provisioning/default.nix

@@ -40,7 +40,7 @@ pkgs.linkFarm "voip-tftp-root" (
     lib.optionals m.hasProvisioning (
       let
         t                 = templates.${phone.model};
-        familyLineEnabled = hasTrunk && phone.personKey != null;
+        familyLineEnabled = hasTrunk && phone.personKey != null && phone.sharedLine;
         intercomLineIndex = if familyLineEnabled then 3 else 2;
 
         files = t.mkFiles ({