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Harmony for Future for PTT Services? P25 and LTE
Stephen Nichols (Executive Director, Project 25 Technology Interest Group)
Andy Davis (Senior Resource Manager, Motorola Solutions)
Jeremy Elder (Director Integrated Platforms, L3Harris)
Cindy Cast (Radio Systems Manager in the Information Technology Service Department, Radio Communication Services Division of Miami-Dade County, Miami Dade County)
Date: Wednesday, September 29
Time: 4:30pm - 5:45pm
Track: Push-to-Talk & Future of Voice, Interoperability & Interworking
Format: 75-Minute Short Course
Vault Recording: TBD
Audience Level: Technical
Project 25 has a large established base of over 2800 systems on the air today offering Mission Critical PTT communications to Public Safety and government agencies nationwide. As the new First-Net Broadband data system rolls out; many radio users and technologists question what type of Mission Critical PTT interoperability and sharing will be available between the two systems. The TIA TR-8.8 subcommittee (responsible for development of P25 Standards for Broadband Data Systems) and The Alliance for Telecommunications Industry Solutions ATIS have an ongoing Working Group to develop guidelines for MCPTT inter-working between P25 and LTE systems. A study document is complete that contains scenarios and considerations for the use of a 3GPP Release 15 Interworking Function (IWF) to enable interoperability of common standard services between a 3GPP MC system (First Net)and a TIA-based LMR system (P25). Three distinct TIA-based LMR systems are examined: P25 trunking, P25 conventional, and TIA-603 analog conventional FM. Business Models of potential LMR/LTE Applications will be explored along with Public Safety User Expectations for PTT Operation and Interworking between the two services. An open Q&A period will be offered with the panel of experts.