[Home](./index.md) > [sip.js](./sip.js.md) > [URI](./sip.js.uri.md) > [(constructor)](./sip.js.uri._constructor_.md) ## URI.(constructor) Constructor Signature: ```typescript constructor(scheme: string, user: string, host: string, port?: number, parameters?: any, headers?: any); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | scheme | string | | | user | string | | | host | string | | | port | number | | | parameters | any | | | headers | any | |