status or availability is represented using states like Available, Busy, and Away. To enable this
feature, the Avaya Scopia
®
XT Series endpoint registers to an Extensible Messaging and Presence
Protocol (XMPP) server to publish its own presence status and to view the presence status of other
contacts, such as other XT Series endpoints or devices registered to the Presence server.
For example, a user Alice can publish her own status when she registers to the Presence server.
The Presence server is notified every time her status changes. A user Bob can subscribe as a
watcher to the Alice contact and see her status. When Bob subscribes as a watcher to the Alice
contact, Alice may be able to approve or reject Bob's request to be a watcher. Alternatively,
depending on the configuration of the Presence server, Bob's subscription may be granted
automatically. Alice can also ignore Bob's request or revoke his access. Bob can unsubscribe from
being a watcher at any time.
Figure 132: Alice registers to a Presence server
Figure 133: Bob subscribes as a watcher to the Alice contact
Figure 134: Alice sees Bob’s request
Grants view to Bob
Alice's presence changed
Figure 135: Alice grants access to Bob
Understanding Presence
January 2017 Avaya Scopia
®
XT Series Deployment Guide 191
Comments on this document? infodev@avaya.com
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