Avaya Aura Presence Services Release 6.2 includes the following new and enhanced features:

• Support for up to 10,000 H.323 users and/or SIP users per node and up to 50,000 H.323 and /or SIP users in a five-node cluster. For the H.323 and SIP users, the release supports an average of 25 buddies per user with a maximum limit of 150 buddies per list.
• Support for VMware ESXi 5.1.
• VMware supports 1,000 and 10,000 user deployments.
• Improved presence status of the endpoints monitored by the AE Services collector, with the following two new fields:
  • Time (minutes) endpoint is on-hook until being declared Away
  • Time (minutes) endpoint is Away until being declared Out Of Office
• Federation with Openfire, a third-party XMPP server, and associated endpoints.
• Simplified and improved upgrade and installation framework.

For information about new features introduced in subsequent Avaya Aura Feature Packs, see the Release Notes and What's New in Avaya Aura Release 6.2 Feature Pack x guides, available under Downloads -> Release Information.