3GPP TSG SA WG1 - Services

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3GPP TSG SA WG1 - Services

The 3rd Generation Partnership Project (3GPP) is the primary body for developing technology specifications for cellular networks. It self-organises through its Working Groups coordinated by the Chairs of the Technical Specifications Groups (TSGs). 

 TSG SA (Service and System Aspects) has 6 active WGs.

 The scope of SA1 - Services is on feature requirements applicable to mobile and fixed communications technology from 2G.

 Outputs of this WG are Technical Specifications and Reports or changes to them. These are all submitted to TSG SA Approval. Once approved, they form the basis for work for the whole of 3GPP and industry segments interested in deploying networks based on IMS.


José Almodovar, SA1 Chairman, KPN - elected in May 2019.

Greg Schmacher, SA1 Vice-Chairman, Sprint - re-elected for 2nd term in November 2019

Xu Xia, SA1 Vice-Chairman, China Telecom - elected in November 2019


Alain Sultan, SA1 Secretary, ETSI MCC

3GPP for Vertical Industries
Working Groups

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