[Home](./index.md) > [sip.js](./sip.js.md) > [SimpleUser](./sip.js.simpleuser.md) > [call](./sip.js.simpleuser.call.md) ## SimpleUser.call() method Make an outoing call. Signature: ```typescript call(destination: string, inviterOptions?: InviterOptions, inviterInviteOptions?: InviterInviteOptions): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | destination | string | The target destination to call. A SIP address to send the INVITE to. | | inviterOptions | InviterOptions | | | inviterInviteOptions | InviterInviteOptions | | Returns: `Promise` ## Remarks Send an INVITE request to create a new Session. Resolves when the INVITE request is sent, otherwise rejects. Use `onCallAnswered` delegate method to determine if Session is established.