[Home](./index.md) > [sip.js](./sip.js.md) > [SimpleUser](./sip.js.simpleuser.md) > [answer](./sip.js.simpleuser.answer.md) ## SimpleUser.answer() method Answer an incoming call. Signature: ```typescript answer(invitationAcceptOptions?: InvitationAcceptOptions): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | invitationAcceptOptions | InvitationAcceptOptions | | Returns: `Promise` ## Remarks Accept an incoming INVITE request creating a new Session. Resolves with the response is sent, otherwise rejects. Use `onCallAnswered` delegate method to determine if and when call is established.