[Home](./index.md) > [sip.js](./sip.js.md) > [UserAgentOptions](./sip.js.useragentoptions.md) > [allowLegacyNotifications](./sip.js.useragentoptions.allowlegacynotifications.md) ## UserAgentOptions.allowLegacyNotifications property If `true`, the user agent will accept out of dialog NOTIFY. Signature: ```typescript allowLegacyNotifications?: boolean; ``` ## Remarks RFC 6665 obsoletes the use of out of dialog NOTIFY from RFC 3265.