# 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" } } } } ```