OMA PAG is the Presence and Availability working Group of the Open Mobile Alliance

Open Mobile Alliance

The Open Mobile Alliance is a standards body which develops open standards for the mobile phone industry.- Principles :Mission: To provide interoperable service enablers working across countries, operators and mobile terminals....

. OMA PAG has the goals of specifying enabler services to allow interoperable exchange of mobile presence and availability information. The specifications are used by operators, vendors, and end users.

OMA PAG is expected to specify OMA Service Enablers for Presence, Availability, and XML

XML

Extensible Markup Language is a set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specification produced by the W3C, and several other related specifications, all gratis open standards....

 Document Management (XDM). The specifications will be network-agnostic, while also striving for efficient use of resources in a mobile

Mobile phone

A mobile phone is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator...

environment.