SIP
Simuler une réponse 481 Call/Transaction Does Not Exist
The UAS received a request that does not match any existing dialog or transaction. The call state may have been lost.
Voir la référence complète →1 Réponse HTTP
HTTP/1.1 481 Call/Transaction Does Not Exist
Content-Type: application/json
Date: Tue, 25 Feb 2026 12:00:00 GMT
Content-Length: 90
{
"error": "call/transaction_does_not_exist",
"message": "Call/Transaction Does Not Exist"
}
2 Tester avec curl
curl -i https://httpbin.org/status/481
3 Retourner 481 Call/Transaction Does Not Exist dans votre framework
django
from django.http import JsonResponse
def my_view(request):
return JsonResponse(
{"error": "call/transaction_does_not_exist", "message": "Call/Transaction Does Not Exist"},
status=481,
)
flask
from flask import Flask, jsonify
app = Flask(__name__)
@app.route("/endpoint")
def my_endpoint():
return jsonify({"error": "call/transaction_does_not_exist", "message": "Call/Transaction Does Not Exist"}), 481
fastapi
from fastapi import FastAPI
from fastapi.responses import JSONResponse
app = FastAPI()
@app.get("/endpoint")
def my_endpoint():
return JSONResponse(
content={"error": "call/transaction_does_not_exist", "message": "Call/Transaction Does Not Exist"},
status_code=481,
)
express.js
// Express.js
app.get('/endpoint', (req, res) => {
res.status(481).json({"error": "call/transaction_does_not_exist", "message": "Call/Transaction Does Not Exist"});
});
spring boot
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import java.util.Map;
@RestController
public class MyController {
@GetMapping("/endpoint")
public ResponseEntity<Map<String, Object>> myEndpoint() {
return ResponseEntity
.status(481)
.body(Map.of("error", "call/transaction_does_not_exist",
"message", "Call/Transaction Does Not Exist"));
}
}
go net/http
package main
import (
"encoding/json"
"net/http"
)
func myHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(481)
json.NewEncoder(w).Encode(map[string]string{
"error": "call/transaction_does_not_exist",
"message": "Call/Transaction Does Not Exist",
})
}
ruby on rails
class MyController < ApplicationController
def my_action
render json: {"error": "call/transaction_does_not_exist", "message": "Call/Transaction Does Not Exist"},
status: :call/transaction_does_not_exist
end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
Results.Json(
new { error = "call/transaction_does_not_exist", message = "Call/Transaction Does Not Exist" },
statusCode: 481
)
);