PoC - Open standards push-to-talk specification published

10 9 2003

Industry leaders Ericsson, Motorola, Nokia and Siemens mobile announced yesterday the completion of a jointly developed Push to talk over Cellular (PoC) specification based on the IP Multimedia Subsystem (IMS) as defined by 3GPP.

This specification is intended to reduce marketplace fragmentation and provide end users with an easy-to-use push to talk experience wherever they may travel in the world. It was completed to meet a tremendous market interest in push to talk and IMS.

The PoC specification leverages existing 3GPP, OMA, and IETF specifications making the service easy to integrate in operators' existing access and packet core network infrastructures.

The PoC specification is a bundle of six specifications including: Requirements, Architecture, Signaling Flows, Group/List Management, and two User-plane specifications (Transport and GPRS).

Ericsson, Motorola, Nokia and Siemens Mobile formed this PoC "technology co-operation" to produce a joint, fast track technology proposal to provide mobile operators with the assurance of easy integration, global interoperability and a competitive handset environment in the mobile communications market.

 The companies have submitted this specification to the Open Mobile Alliance (OMA) standards body for review as a baseline to provide an access-independent and globally interoperable standard for PoC.

Additionally, the PoC Specification has gained support from other industry leaders such as AT&T Wireless Services, Cingular, Sonim Technologies, and Sony Ericsson.

Latest Push To Talk News

March 2004
Motorola Licenses Push-To-Talk over Cellular (PoC) Handset Client Software

February 2004
SonyEricsson to launch Push to Talk handsets
Telstra trials walkie-talkie PoC phone
Vendor updates billing platform to support Push To Talk PoC services
Nokia and Samsung cooperate to bring Push to talk services to the masses
Kodiak Powers Orange Push To Talk "Talk Now" Service

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