[Home](./index.md) > [sip.js](./sip.js.md) > [OutgoingSubscribeRequestDelegate](./sip.js.outgoingsubscriberequestdelegate.md) ## OutgoingSubscribeRequestDelegate interface Delegate providing custom handling of outgoing SUBSCRIBE requests. Signature: ```typescript export interface OutgoingSubscribeRequestDelegate extends OutgoingRequestDelegate ``` ## Methods | Method | Description | | --- | --- | | [onNotify(request)](./sip.js.outgoingsubscriberequestdelegate.onnotify.md) | Received the initial subscription creating NOTIFY in response to this request. Called for out of dialog SUBSCRIBE requests only (not called for re-SUBSCRIBE requests). | | [onNotifyTimeout()](./sip.js.outgoingsubscriberequestdelegate.onnotifytimeout.md) | Timed out waiting to receive the initial subscription creating NOTIFY in response to this request. Called for out of dialog SUBSCRIBE requests only (not called for re-SUBSCRIBE requests). |