> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.jambonz.org/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.jambonz.org/_mcp/server.

# session:redirect

> > jambonz => websocket server

A `session:redirect` message is sent by jambonz to the websocket server when a call has been redirected to a new application and a relative URL was provided instead of an array of verbs.

| property  | type                      | meaning                                                                                 | required |
| --------- | ------------------------- | --------------------------------------------------------------------------------------- | -------- |
| type      | string "session:redirect" | indicates this is a session:redirect message                                            | yes      |
| msgid     | string                    | unique message identifier                                                               | yes      |
| call\_sid | string                    | unique call identifier                                                                  | yes      |
| b3        | string                    | open telemetry span identifier for this call (only provided if otel tracing is enabled) | no       |
| hook      | string                    | url of the call\_hook that was provided                                                 | yes      |
| data      | object                    | JSON payload describing the current state of the call                                   | yes      |

```json
{
  "type": "session:redirect",
  "msgid": "cvY6kNE8RXdaZdaDcJbViG",
  "call_sid": "aad0115d-ec21-40db-aa02-31b7b01540c5",
  "b3": "18228daa536f82e0ec29074e7bf47b89-dd3bdf1f177f2995-1",
  "hook": "survey",
  "data": {
    "call_sid": "b5e39996-bd2f-4bda-b928-355147186a2a",
    "direction": "inbound",
    "from": "+441173185201",
    "to": "+441303763875",
    "call_id": "7ade3efb-7163-123b-e6ba-023fd61c5256",
    "sip_status": 200,
    "sip_reason": "OK",
    "call_status": "in-progress",
    "account_sid": "300be250-5a79-46bd-8393-45e7d26c2e34",
    "trace_id": "654c5323d6f907233a1069136b8a330e",
    "local_sip_address": "10.0.150.88:5070",
    "defaults": {
      "synthesizer": {
        "vendor": "microsoft",
        "language": "en-US",
        "voice": "en-US-JennyNeural"
      },
      "recognizer": {
        "vendor": "microsoft",
        "language": "en-US"
      }
    }
  }
}
```