[Home](./index.md) > [sip.js](./sip.js.md) > [ByerByeOptions](./sip.js.byerbyeoptions.md) > [requestDelegate](./sip.js.byerbyeoptions.requestdelegate.md) ## ByerByeOptions.requestDelegate property See `core` API. Signature: ```typescript requestDelegate?: OutgoingRequestDelegate; ```