[Home](./index.md) > [sip.js](./sip.js.md) > [ResponseOptions](./sip.js.responseoptions.md) ## ResponseOptions interface Response options bucket. Signature: ```typescript export interface ResponseOptions ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [body](./sip.js.responseoptions.body.md) | Body | Body to include in the message. | | [extraHeaders](./sip.js.responseoptions.extraheaders.md) | Array<string> | Extra headers to include in the message. | | [reasonPhrase](./sip.js.responseoptions.reasonphrase.md) | string | Reason phrase of the response. | | [statusCode](./sip.js.responseoptions.statuscode.md) | number | Status code of the response. | | [supported](./sip.js.responseoptions.supported.md) | Array<string> | Support options tags for Supported header. | | [toTag](./sip.js.responseoptions.totag.md) | string | To tag of the response. If not provided, one is generated. | | [userAgent](./sip.js.responseoptions.useragent.md) | string | User agent string for User-Agent header. |