Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
  • Feedback

    • Mission Critical Voice Quality of Experience Access Time Measurement Method Addendum Data

    Metadata Updated: July 9, 2025

    These are measurement data associated with https://doi.org/10.6028/NIST.IR.8328. Code to process data is available at https://github.com/usnistgov/accessTime. Includes access delay measurement results for P25 Direct operating in unencrypted and encrypted modes, P25 Trunked Phase 1 and Phase 2 operating in unencrypted and encrypted modes, and an early development of a 3GPP compliant LTE MCPTT application server. Transmit audio and associated cutpoints files are also included.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    References

    https://doi.org/10.6028/NIST.IR.8328

    Dates

    Metadata Created Date March 11, 2021
    Metadata Updated Date July 9, 2025
    Data Update Frequency irregular

    Metadata Source

    Harvested from NIST

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date March 11, 2021
    Metadata Updated Date July 9, 2025
    Publisher National Institute of Standards and Technology
    Maintainer
    Identifier ark:/88434/mds2-2356
    Data First Published 2021-02-17
    Language en
    Data Last Modified 2021-02-08 00:00:00
    Category Public Safety:Public safety communications research
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 006:55
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 98a23f08-cb3c-4393-afe4-ebac2bba69e2
    Harvest Source Id 74e175d9-66b3-4323-ac98-e2a90eeb93c0
    Harvest Source Title NIST
    Homepage URL https://data.nist.gov/od/id/mds2-2356
    License https://www.nist.gov/open/license
    Program Code 006:045
    Related Documents https://doi.org/10.6028/NIST.IR.8328
    Source Datajson Identifier True
    Source Hash 21a614d33cb4bb82e180bbd65a50285d945918bf4b38e6fdb710fc56cdc12d5c
    Source Schema Version 1.1

    Didn't find what you're looking for? Suggest a dataset here.