[Home](./index.md) > [sip.js](./sip.js.md) > [UserAgentOptions](./sip.js.useragentoptions.md) > [allowOutOfDialogRefers](./sip.js.useragentoptions.allowoutofdialogrefers.md) ## UserAgentOptions.allowOutOfDialogRefers property If `true`, the user agent will accept out of dialog REFER. Signature: ```typescript allowOutOfDialogRefers?: boolean; ```