[Home](./index.md) > [sip.js](./sip.js.md) > [ReInviteUserAgentServer](./sip.js.reinviteuseragentserver.md) ## ReInviteUserAgentServer class Re-INVITE UAS. Signature: ```typescript export declare class ReInviteUserAgentServer extends UserAgentServer implements IncomingInviteRequest ``` ## Remarks 14 Modifying an Existing Session https://tools.ietf.org/html/rfc3261\#section-14 14.2 UAS Behavior https://tools.ietf.org/html/rfc3261\#section-14.2 ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(dialog, message, delegate)](./sip.js.reinviteuseragentserver._constructor_.md) | | Constructs a new instance of the ReInviteUserAgentServer class | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [accept(options)](./sip.js.reinviteuseragentserver.accept.md) | | Update the dialog signaling state on a 2xx response. | | [progress(options)](./sip.js.reinviteuseragentserver.progress.md) | | Update the dialog signaling state on a 1xx response. | | [redirect(contacts, options)](./sip.js.reinviteuseragentserver.redirect.md) | | TODO: Not Yet Supported | | [reject(options)](./sip.js.reinviteuseragentserver.reject.md) | | 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 |