[Home](./index.md) > [sip.js](./sip.js.md) > [ClientTransactionUser](./sip.js.clienttransactionuser.md) > [receiveResponse](./sip.js.clienttransactionuser.receiveresponse.md) ## ClientTransactionUser.receiveResponse property Callback for delegation of valid response handling. Valid responses are passed up to the TU from the client transaction. https://tools.ietf.org/html/rfc3261\#section-17.1 Signature: ```typescript receiveResponse?: (response: IncomingResponseMessage) => void; ```