[Home](./index.md) > [sip.js](./sip.js.md) > [SubscriptionDialog](./sip.js.subscriptiondialog.md) > [subscriptionRefresh](./sip.js.subscriptiondialog.subscriptionrefresh.md) ## SubscriptionDialog.subscriptionRefresh property Number of seconds until subscription auto refresh. Signature: ```typescript readonly subscriptionRefresh: number | undefined; ```