WebSphere brand IBM WebSphere XML Document Management Server, Version 7.0

Supported SIP subscription event types

IBM® XDMS supports two types of Session Initiation Protocol (SIP) subscriptions.

The IBM XDMS supports subscriptions using UA-profile or xcap-diff events. While both are supported, xcap-diff events have several advantages over UA-profile events. Both UA-profile and xcap-diff events support change notification, with some differences.

UA-profile events

The IBM XDMS supports UA-profile events as defined in the OMA-TS-XDM_Core-V1_0_1 specification, which can be used to subscribe to XDMS documents/directories.

Xcap-diff events

IBM XDMS 7.0 also supports xcap-diff events as defined in the OMA-TS-XDM_Core-V2_0 specifications. xcap-diff events can be used for the following tasks:
  • Subscribe to documents and directories
  • Subscribe to document elements and attributes
  • Send batch subscriptions
  • Subscribe to future resources before they are created



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