[Home](./index.md) > [sip.js](./sip.js.md) > [Subscription](./sip.js.subscription.md) > [refresh](./sip.js.subscription.refresh.md) ## Subscription.refresh() method 4.1.2.2. Refreshing of Subscriptions https://tools.ietf.org/html/rfc6665\#section-4.1.2.2 Signature: ```typescript refresh(): OutgoingSubscribeRequest; ``` Returns: `OutgoingSubscribeRequest`