[Home](./index.md) > [sip.js](./sip.js.md) > [PrackableIncomingResponseWithSession](./sip.js.prackableincomingresponsewithsession.md) ## PrackableIncomingResponseWithSession interface Incoming INVITE response received when request is progressed. Signature: ```typescript export interface PrackableIncomingResponseWithSession extends IncomingResponse ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [session](./sip.js.prackableincomingresponsewithsession.session.md) | Session | Session associated with outgoing request progress. If out of dialog request, an early dialog. | ## Methods | Method | Description | | --- | --- | | [prack(options)](./sip.js.prackableincomingresponsewithsession.prack.md) | Send an PRACK to acknowledge this response. |