feat(routing): require explicit inbound DID routes and normalize SIP identities for provider-based number matching

readme.md

@@ -148,24 +148,41 @@ Create `.nogit/config.json`:
   "routing": {
     "routes": [
       {
-        "id": "inbound-default",
-        "name": "Ring all devices",
-        "priority": 100,
-        "direction": "inbound",
-        "match": {},
+        "id": "inbound-main-did",
+        "name": "Main DID",
+        "priority": 200,
+        "enabled": true,
+        "match": {
+          "direction": "inbound",
+          "sourceProvider": "my-trunk",
+          "numberPattern": "+49421219694"
+        },
         "action": {
           "targets": ["desk-phone"],
           "ringBrowsers": true,
-          "voicemailBox": "main",
-          "noAnswerTimeout": 25
+          "voicemailBox": "main"
+        }
+      },
+      {
+        "id": "inbound-support-did",
+        "name": "Support DID",
+        "priority": 190,
+        "enabled": true,
+        "match": {
+          "direction": "inbound",
+          "sourceProvider": "my-trunk",
+          "numberPattern": "+49421219695"
+        },
+        "action": {
+          "ivrMenuId": "support-menu"
         }
       },
       {
         "id": "outbound-default",
         "name": "Route via trunk",
         "priority": 100,
-        "direction": "outbound",
-        "match": {},
+        "enabled": true,
+        "match": { "direction": "outbound" },
         "action": { "provider": "my-trunk" }
       }
     ]
@@ -187,6 +204,8 @@ Create `.nogit/config.json`:
 }
 ```
 
+Inbound number ownership is explicit: add one inbound route per DID (or DID prefix) and scope it with `sourceProvider` when a provider delivers multiple external numbers.
+
 ### TTS Setup (Optional)
 
 For neural voicemail greetings and IVR prompts, download the Kokoro TTS model: