Provides low-level subscription and notification. Namespace: Microsoft.Rtc.Signaling
Assembly: Microsoft.Rtc.Collaboration (in microsoft.rtc.collaboration.dll)



Users of this class need to pass the ISipSubscriptionProcessor interface to interact with the subscription. It automatically refreshes the subscription 15 minutes before the expiration. Users of SipSubscription can also refresh the subscription themselves.

Inheritance Hierarchy


Thread Safety

All public static (Shared in Visual Basic) members of this type are thread-safe. Instance members are not guaranteed to be thread-safe.


Development Platforms

Windows XP Professional with Service Pack 2 (SP2), Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition

Target Platforms

See Also