[Home](./index.md) > [sip.js](./sip.js.md) > [ReInviteUserAgentServer](./sip.js.reinviteuseragentserver.md) > [progress](./sip.js.reinviteuseragentserver.progress.md) ## ReInviteUserAgentServer.progress() method Update the dialog signaling state on a 1xx response. Signature: ```typescript progress(options?: ResponseOptions): OutgoingResponseWithSession; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | options | ResponseOptions | Progress options bucket. | Returns: `OutgoingResponseWithSession`