OMA Presence SIMPLE is an OMA

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....

 enabler, product of the work item OMA PAG

OMA PAG

OMA PAG is the of the Open Mobile Alliance. 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....

 (Presence and Availability working Group).

The specification is based on requirements provided by the OMA REQ (REQuirement group) and must run in an OMA Service Environment

OMA Service Environment

In the mobile phone industry, OMA Service Environment , defined by Open Mobile Alliance , is the logical architecture that provides a common structure and rule set for specifying OMA enablers. The following image depicts this general architecture....

. It is supposed to run based on IMS

IP Multimedia Subsystem

The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem is an architectural framework for delivering Internet Protocol multimedia services. It was originally designed by the wireless standards body 3rd Generation Partnership Project , as a part of the vision for evolving mobile...

 and must be able to interact with OMA PoC

Push to talk

Push-to-talk , also known as Press-to-Transmit, is a method of conversing on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode....

 enabler providing contact and presence information, contact lists, etc. Presence SIMPLE relies on specifications by IETF and 3GPP

3GPP

The 3rd Generation Partnership Project is a collaboration between groups of telecommunications associations, known as the Organizational Partners...

.

External links

• Open Mobile Alliance