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2.2.2.7.6 legacyInterop

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The server uses this category to generate the NOTIFY for PIDF and MSRTC subscriptions. The server aggregates the instances of the state category to compute a legacyInterop category instance as described in section 3.8.5. This category MUST be registered as a private category.

The following example illustrates the format of a legacyInterop category instance.

<legacyInterop xmlns="http://schemas.microsoft.com/2006/09/sip/categories" 
               availability="8400" token="urgent-interruptions-only" />

Elements and attributes are defined in this section. For the full XML schema, see section 7.

The XML elements of a legacyInterop document MUST conform to the schema defined in section 7.7.

legacyInterop: This is the root element of the legacyInterop category instance. It has the following attributes:

  • availability (required): This attribute contains a number that represents the availability of a presence state. For details about the availability element, see section 2.2.2.7.1.

  • token (optional): Localizable token that represents the activity string. For details about the token attribute, see section 2.2.2.7.1.

  • dndState (optional): If true, this attribute indicates that the dndState category instance contains the "Do Not Disturb" state of the self-user. For details about the dndState category, see section 2.2.2.7.10.

Even though this category is private, notifications are generated when the category is subscribed to through self SUBSCRIBE.