[Home](./index.md) > [sip.js](./sip.js.md) > [SubscriptionDialog](./sip.js.subscriptiondialog.md) > [terminate](./sip.js.subscriptiondialog.terminate.md) ## SubscriptionDialog.terminate() method 4.4.1. Dialog Creation and Termination A subscription is destroyed after a notifier sends a NOTIFY request with a "Subscription-State" of "terminated", or in certain error situations described elsewhere in this document. https://tools.ietf.org/html/rfc6665\#section-4.4.1 Signature: ```typescript terminate(): void; ``` Returns: `void`