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    2899308
  6. MOST RECENT

    Std

    ATIS 0300050(2024-01)

    Carrier Identification Code (CIC) Assignment Guidelines

    standard by The Alliance for Telecommunications Industry Solutions, 01/01/2024.

    Languages: English

    Historical Editions: ATIS 0300050(2023-12)ATIS 0300050(2023-09)ATIS 0300050(2020-10)ATIS 0300050(2018-08)ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050

  7. HISTORICAL

    Std

    ATIS 0300050(2023-12)

    This document has been replaced. View the most recent version.

    Carrier Identification Code (CIC) Assignment Guidelines

    standard by The Alliance for Telecommunications Industry Solutions, 12/01/2023.

    Languages: English

    Historical Editions: ATIS 0300050(2024-01)ATIS 0300050(2023-09)ATIS 0300050(2020-10)ATIS 0300050(2018-08)ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050ATIS 0300050

  8. MOST RECENT

    2580534

    ATIS 1000066.2023

    Emergency Telecommunications Service (ETS) Network Element Requirements for IMS-based Next Generation Network (NGN) Phase 2

    standard by The Alliance for Telecommunications Industry Solutions, 12/01/2023.

    Languages: English

    Historical Editions: ATIS 1000066.2016(R2021)

    • 👥MULTI-USER
  9. MOST RECENT

    Std

    ATIS 0300061(2023-12)

    NPA Code Relief Planning and Notification Guidelines

    standard by The Alliance for Telecommunications Industry Solutions, 12/01/2023.

    Languages: English

    Historical Editions: ATIS 0300061(2023-06)ATIS 0300061(2022-04)ATIS 0300061(2021-07)ATIS 0300061(2020-10)ATIS 0300061(2018-10)ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061ATIS 0300061

  10. MOST RECENT

    2580535

    ATIS 1000078.v002

    National Security / Emergency Preparedness Priority Service Session Initiation Protocol Resource-Priority Header (SIP RPH) Signing and Verification using PASSporTs

    standard by The Alliance for Telecommunications Industry Solutions, 12/01/2023.

    Languages: English

    Historical Editions: ATIS 1000078

    • 👥MULTI-USER