[Home](./index.md) > [sip.js](./sip.js.md) > [ReInviteUserAgentServer](./sip.js.reinviteuseragentserver.md) > [reject](./sip.js.reinviteuseragentserver.reject.md) ## ReInviteUserAgentServer.reject() method 3.1 Background on Re-INVITE Handling by UASs An error response to a re-INVITE has the following semantics. As specified in Section 12.2.2 of RFC 3261 \[RFC3261\], if a re-INVITE is rejected, no state changes are performed. https://tools.ietf.org/html/rfc6141\#section-3.1 Signature: ```typescript reject(options?: ResponseOptions): OutgoingResponse; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | options | ResponseOptions | Reject options bucket. | Returns: `OutgoingResponse`