The Project 25 technology interest Group is pleased to publish Two P25 panel presentations from APCO 2025 in Baltimore.

The presentations can be downloaded using the links below:

P25 for the Future APCO 2025

P25 Security Triad APCO 2025

P25 for the Future: New Standards, Interoperability & Security

See how P25 technology is evolving to meet the changing communications eco-system. Look at the top priorities for the future of P25 from the Steering Committee and User Needs Working Group. Get the latest Standards update including: LMR interworking with LTE.

Learn what's new for Project 25 in 2025 and beyond including: New Cyber Security for P25 IDs & Control Channels, P25 Standards for Emergency Alarm operation including remote emergency activation. "GPS location on every PTT" Standard, "User ID alias" capability to share user-names across multiple systems, and a new radio specs to protect mission critical systems from interference. 

Stephen Nichols  (Executive Director, Project 25 Technology Interest Group)

Scott Wright  (Telecommunications Engineer 2, Connecticut Department of Emergency Service and Public Protection)

Jeremy Elder  (Director of Product Experience Technology for L3Harris Technologies)

John Lambrou  (Distinguished Member of the Technical Staff, Motorola Solutions, TIA TR-8 Chair)

Don Root (Project 25 Steering Committee Chair, APCO)

Security Triad for P25 LMR: Encryption, Access, Cyber IDs

Today Project 25 offers Defense in Depth through a Triad of three unique P25 Communication Security Services, each with an integral key management and delivery process. It is important to understand the unique capabilities that each service offers and how they can be combined and applied offering: Confidentiality, Integrity, and Availability for P25 voice, data, and network information. The P25 Security Triad assures access control, privacy protection, information modification prevention, and timely reliable access for the nation's Telecommunicators and First Responders.

P25 Communications Services Security Triad:

• Voice and Data Encryption (256 bit AES): Encrypts and protects the voice and data information sent over the air.
• Link Layer Authentication (LLA): Protects the System from access by unauthorized users.
• Link Layer Encryption (LLE): Protects the data and User ID information sent on the Control Channel of the system.

The profile of each service will include a detailed definition of what is protected and how that benefits the First Responder. Keys to successful application including agency policies, radio programming, and encryption key delivery and management will be detailed. Interoperability with Non encrypted (Clear) radios for Multi-agency task forces and incidents will be included. Finally, the current P25 Standards development status and product availability will be shared.

Stephen Nichols  (Executive Director, Project 25 Technology Interest Group)

Jeremy Elder (Director of Product Experience Technology for L3Harris Technologies)

Scott Wright  (Senior Telecommunications Engineer 2, Connecticut Department of Emergency Service and Public Protection)

Hermina Koshinski  (Chief of Radio Operations Engineering & Support, Pennsylvania State Police PA-STARNet)

New Non-CAP CSSI Interoperability testing has been completed by Keenfinity Group -Telex and Motorola.  Their previous testing occurred in July of 2025. This latest testing was completed September 4th 2025 testing new software revision levels for the products tested. 

The Full test spreadsheet can be downloaded using the Link below:

250911 Keenfinity Group Telex - Motorola Solutions CSSI Non CAP Interoperability Test September 2025

Testing dates: September 4th 2025

Software Versions:

MSI system software versions:  AN2024.1

ISGW - Astro version - 20.24.01.02.67

MCC7500 Console version:  25.1.171"

Telex software versions:

C-Soft version 8.500

MSI lab connected to Telex lab via VPN.

Intra System configuration (i.e. matching WACN ID + System ID)

The Motorola RF Subsystem (RFSS) was configured as the ""Home"" subsystem for all talkgroups used in the testing.

The Telex Console Subsystem (CSS) was configured as the ""Serving"" subsystem for all talkgroups used in the testing and consisted of console equipment only.

Keenfinity Group -Telex and Motorola recently completed Non-CAP CSSI Interoperability testing for their products. 

The Full test spreadsheet can be downloaded using the Link below:

250814 Keenfinity Group Telex - Motorola Solutions CSSI Non CAP Interoperability Test July 2025

Testing dates: July 2, 2025

MSI software versions: ISGW-Astro-07.18.00.12-01

Telex software versions:

C-Soft version 8.328

CMS version: 2.000

Testing configuration info:

MSI lab connected to Telex lab via VPN.

Intra System configuration (i.e. matching WACN ID + System ID)

The Motorola RF Subsystem (RFSS) was configured as the ""Home"" subsystem for all talkgroups used in the testing.

The Telex Console Subsystem (CSS) was configured as the ""Serving"" subsystem for all talkgroups used in the testing and consisted of console equipment only. 

• Join us at APCO for “P25 for the Future” Panel session featuring the latest Updates, Applications and Capabilities of P25 technology Wednesday July 30th 2-3 PM Room 343-344

• Join us for “Security Triad for P25 LMR: Encryption, Access, Cyber IDs” Wednesday July 30th 3:30-4:30 PM Room 345-346

• Visit the Project 25 Technology Interest Group Booth (2238). Bring your questions and meet with P25 User agency directors and engineers from our P25 Industry members and consultants.

• See all the new P25 Products and Services from 19 PTIG member Booths on the show floor.

APCO 2025 

Conference: July 27-30   Exhibits: July 28-29  

Baltimore Convention Center 

P25 for the Future: New Standards, Interop & Security

Wednesday July 30th  2:00 PM – 3:00 PM 

Baltimore Convention Center, 343-344

Speakers:

• Stephen Nichols, Project 25 Technology Interest Group (PTIG)
• Don Root P25 Steering Committee Chair, APCO P25 Manager
• John Lambrou, Motorola Solutions, TIA TR-8 Chair
• Jeremy Elder, L3Harris
• Scott Wright Connecticut Department of Emergency Service and Public Protection, P25 Public Safety User Needs Working Group (PSUNWG) Co-Chair

See how P25 technology is evolving to meet the changing communications eco-system.

Look at the top priorities for the future of P25 from the Steering Committee and Public Safety User Needs Working Group (PSUNWG) . Get the latest Standards update including: P25 Standards recently completed and new Standards in development including LMR interworking with LTE and Mission-Critical PTT.

Learn what's new for Project 25 in 2025 and beyond including: New P25 Cyber Security for P25 Control Channels and Unit IDs, a new "GPS location on every PTT" Standard for P25 subscriber units, a new Multi-vendor "User ID alias" capability to share the user-name for each unit across multiple systems and talk groups, and new radio receiver design specs to protect mission critical systems from harmful interference.

Hear how P25 technology is best deployed and managed to meet the communications needs of Public Safety and government user agencies. Explore Multiple Emergency Alarm capabilities in P25 including new P25 Standards for remote emergency activation including: Man Down, Vehicle Sensed, Accessory Sensed and New Remotely Activated and Silent Emergency Modes

Strong interest in Communications Security and Encryption is growing. Review the new P25 Link Layer Standards, P25 User Authentication Standards, and improved, interoperable, AES Key Management. Explore P25 testing resources including the DHS CAP program and Independent Labs.

Project 25 remains critically important to public safety users and government agencies. With over 3300 P25 systems on the air and 42 State-wide Networks, its continued evolution with new standards, capabilities, and applications will be relevant, even as other public safety broadband networks continue to roll out.

Security Triad for P25 LMR: Encryption, Access, Cyber IDs

Wednesday July 30th  3:30 PM – 4:30 PM 

Baltimore Convention Center, 345-346

• Stephen Nichols, Project 25 Technology Interest Group (PTIG)
• Scott Wright, Connecticut Department of Emergency Service and Public Protection, P25 Public Safety User Needs Working Group (PSUNWG) Co-Chair
• Hermina (Nina) Koshinski, Chief, Radio Operations Engineering & Support, P25 System Administrator & Engineer, Pennsylvania State Police - Statewide Radio Network Division

Today Project 25 offers Defense in Depth through three unique P25 Communication Security Services, each with an integral key management and delivery process.

 It is important to understand the unique capabilities that each service offers and how they can be combined and applied offering: Confidentiality, Integrity, and Availability for P25 voice, data, and network information. The P25 Security Triad assures access control, privacy protection, information modification prevention, and timely reliable access for the nation's First Responders. 

P25 Communications Services Security Triad:

• Voice and Data Encryption (256 bit AES): Encrypts and protects the voice and data information sent over the air.
• Link Layer Authentication (LLA): Protects the System from access by unauthorized users.
• Link Layer Encryption (LLE): Protects the data and User ID information sent on the Control Channel of the system.

The profile of each service will include a detailed definition of what is protected and how that benefits the First Responder. Keys to successful application including agency policies, radio programming, and encryption key delivery and management will be detailed. Interoperability with Non encrypted (Clear) radios for Multi-agency task forces and incidents will be included. Finally, the current P25 Standards development status and product availability will be shared.

Visit the Project 25 Technology Interest Group Booth (2238).  Bring your questions and meet with P25 User agency directors and engineers from our P25 Industry members and consultants.

See all the new P25 Products and Services from 19 PTIG Members on the show floor.