Home > sip.js > Subscription > unsubscribe
Unsubscribe from event notifications.
Signature:
abstract unsubscribe(options?: SubscriptionUnsubscribeOptions): Promise<void>;
Parameter | Type | Description |
---|---|---|
options | SubscriptionUnsubscribeOptions |
Returns:
Promise<void>
If the subscription state is SubscriptionState.Subscribed, sends an in dialog SUBSCRIBE request with expires time of zero (an un-subscribe) and terminates the subscription. Otherwise a noop.