WIP - call connecting to softphone

backend/package.json

@@ -27,7 +27,7 @@
   },
   "dependencies": {
     "@casl/ability": "^6.7.5",
-    "@fastify/websocket": "^11.2.0",
+    "@fastify/websocket": "^10.0.1",
     "@nestjs/bullmq": "^10.1.0",
     "@nestjs/common": "^10.3.0",
     "@nestjs/config": "^3.1.1",
@@ -36,6 +36,7 @@
     "@nestjs/passport": "^10.0.3",
     "@nestjs/platform-fastify": "^10.3.0",
     "@nestjs/platform-socket.io": "^10.4.20",
+    "@nestjs/serve-static": "^4.0.2",
     "@nestjs/websockets": "^10.4.20",
     "@prisma/client": "^5.8.0",
     "bcrypt": "^5.1.1",