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TS 22.179 (SA1)
Mission Critical Push to Talk (MCPTT) over LTE – Stage 1

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(W-zip) V15.0.0    2017/06    86 p.
(P) V14.3.0    2016/12    87 p.
(P) V13.3.0    2015/12    81 p.


Rapporteur:  Mr. Cypher, David
See also:  MCPTT-related TS/TR    


The present document provides the service requirements for operation of the MCPTT Service. MCPTT makes use of capabilities included in Group Communications System Enablers for LTE (GCSE_LTE) and Proximity Services (ProSe), with additional requirements specific to the MCPTT Service. The MCPTT Service can be used for public safety applications and also for general commercial applications (e.g., utility companies and railways).


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1   Scope [R13]   PDF-p. 9
2   References [R13]
3   Definitions and abbreviations [R13]   PDF-p. 10
4   Mission Critical Push To Talk overview [R13]
5   MCPTT Service requirements common for on the network and off the network [R13]   PDF-p. 23
5.1   General group call requirements
5.2   Broadcast Group
5.3   Late call entry
5.4   Dynamic group management (i.e., dynamic regrouping)
5.5   Receiving from multiple MCPTT calls      Up
5.6   Private Call   PDF-p. 26
5.7   MCPTT priority requirements
5.8   User ID
5.9   MCPTT UE management
5.10   MCPTT User Profile
5.11   Support for multiple devices
5.12   Location   PDF-p. 32
5.13   Security
5.14   Audio / voice quality      Up
5.15   Interactions between MCPTT Group calls and MCPTT Private Calls (with Floor control)   PDF-p. 33
5.16   Relay requirements
5.17   Gateway requirements
5.18   Control and management by Mission Critical Organizations
5.19   General Administrative - groups and users

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