[Home](./index.md) > [sip.js](./sip.js.md) > [RegistererRegisterOptions](./sip.js.registererregisteroptions.md) ## RegistererRegisterOptions interface Options for [Registerer.register()](./sip.js.registerer.register.md). Signature: ```typescript export interface RegistererRegisterOptions ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [requestDelegate](./sip.js.registererregisteroptions.requestdelegate.md) | OutgoingRequestDelegate | See core API. | | [requestOptions](./sip.js.registererregisteroptions.requestoptions.md) | RequestOptions | See core API. |