Company LOGO OMA Presence SIMPLE

What is OMA? The Open Mobile Alliance (OMA) is a standards body which develops open standards for the mobile phone industry. OMA creates application level specifications for Presence Service. This includes Presence Information semantics and guidelines for presence applications. These specifications shall be agnostic to the underlying network technology, be it specified by 3GPP, 3GPP2, or other organizations.

What is OMA?

What is Presence Service?

What is Presence Service? What is Presence OMA SIMPLE ? Presence is the service that allows a user to be informed about the reachability, availability, and willingness of communication with another user. SIMPLE - SIP for Instant Messaging and Presence Leveraging Extensions

Presence Architecture

The Presence Life Cycle

Presence Subscriptions and Notifications

SUBSCRIBE request

NOTIFY request (1)

NOTIFY request (2)

Publication of presence information

PUBLISH request (1)

PUBLISH request (2)

Example of PIDF

The SIP presence data model

Example of the timed status extension

Example of Capabilities extension (1)

Example of Capabilities extension (2)

Example of Capabilities extension (3)

A subscriber PUA compiles the list of her watchers

Example of a presence authorization policy document (1)

Example of a presence authorization policy document (2)

Partial notification

Publication of partial presence information

The SIP presence data model

The IMS terminal publishing presence information

The SIP presence data model

The IMS terminal publishing presence information