{
   "@timer-session-callee-only-supported.scenarios.test": {
        "nat_sipping": "no"
    },
   "testuser1001@timer-session-callee-only-supported.scenarios.test": {
      "sst_refresh_method": "INVITE",
      "sst_enable": "yes",
      "sst_expires": 10,
      "sst_min_timer": 2,
      "sst_max_timer": 20
   }
}