Circular No. 15/2021/TT-BTTTT amends and supplements certain provisions of Circular No. 07/2015/TT-BTTTT dated March 24, 2015, issued by the Minister of Information and Communications regarding telecommunication network interconnection.

Circular No. 15/2021/TT-BTTTT amends and supplements regulations on criteria for determining congestion and capacity in providing other telecommunication services such as data transmission and Internet connection. This document applies to enterprises participating in telecommunication network interconnection.

문서 번호15/2021/TT-BTTTT
문서 유형Circular
발행 기관Ministry of Science and Technology
서명자Nguyễn Mạnh Hùng — Bộ trưởng
업데이트13. 06. 2026
산업Information and Communications
분야Transport
발행일29. 10. 2021
발효일22. 12. 2021
효력 만료일
상태In effect
✦ 스마트 요약

Circular No. 15/2021/TT-BTTTT amends and supplements regulations on criteria for determining congestion and capacity in providing other telecommunication services such as data transmission and Internet connection. This document applies to enterprises participating in telecommunication network interconnection.

적용 범위

Enterprises participating in telecommunication network interconnection

핵심 사항

  • Enterprises participating in telecommunication network interconnection must monitor traffic 24 hours/day, 7 days/week for 30 consecutive days to determine peak traffic in each direction of interconnection (Article 1 Section II - Appendix 01).
  • Interconnection is determined to be congested when the highest peak traffic exchange in the group of 95% of each direction of interconnection exceeds 90% of the interconnection capacity for seven consecutive days (Article 1 Section II - Appendix 01).
  • The capacity of each direction of interconnection is agreed upon by the parties and must ensure that there is no interconnection congestion (Article 1 Section II - Appendix 03).
  • In necessary cases, the parties base their calculation of interconnection capacity between the two sides on the interconnection quality criteria (Article 1 Section II - Appendix 03).
  • This Circular takes effect from December 22, 2021.

🌐 이 문서의 사회적 영향

  • To help enterprises participating in telecommunication network interconnection ensure the quality of data transmission and Internet connection services.
  • Strengthen management and monitoring of traffic exchange to avoid interconnection congestion.
  • It may create technical and financial burdens for enterprises in implementing new regulations.

❓ 자주 묻는 질문

When does this Circular take effect?

Circular No. 15/2021/TT-BTTTT takes effect from December 22, 2021.

For enterprises participating in telecommunication network interconnection, when does the highest peak traffic exchange in the group of 95% of each direction of interconnection exceed the interconnection capacity to be considered as congestion?

Interconnection is determined to be congested when the highest peak traffic exchange in the group of 95% of each direction of interconnection exceeds 90% of the interconnection capacity for seven consecutive days.

What measures must enterprises participating in telecommunication network interconnection undertake to ensure that there is no interconnection congestion?

Enterprises must monitor traffic 24 hours/day, 7 days/week for 30 consecutive days to determine peak traffic in each direction of interconnection.

In necessary cases, what interconnection quality criteria do the parties participating in telecommunication network interconnection base their calculation of interconnection capacity on?

The parties base their calculation of interconnection capacity on the interconnection quality criteria stipulated in Clause 2 Article 6 of this Circular.

Circular No. 15/2021/TT-BTTTT amends and supplements which provisions of Circular No. 07/2015/TT-BTTTT?

Circular No. 15/2021/TT-BTTTT amends and supplements Section II - Appendix 01 and Section II - Appendix 03 of Circular No. 07/2015/TT-BTTTT.

전문

MINISTRY OF INFORMATION AND COMMUNICATION

SOCIALIST REPUBLIC OF VIET NAM
Independence – Freedom – Happiness

Number: 15/2021/TT-BTTTT
Hanoi, October 29, 2021

CIRCULAR

Amending and supplementing certain provisions of Circular No. 07/2015/TT-BTTTT dated March 24, 2015 of the Minister of Information and Communications on telecommunications interconnection

The Minister of Information and Communications issues this Circular amending and supplementing certain provisions of Circular No. 07/2015/TT-BTTTT dated March 24, 2015 of the Minister of Information and Communications on telecommunications interconnection.

Article 1. Amending and supplementing certain provisions of Circular No. 07/2015/TT-BTTTT dated March 24, 2015 of the Minister of Information and Communications on telecommunications interconnection:

__________________________

Pursuant to the Law on Telecommunications dated November 23, 2009;

Pursuant to Decree No. 25/2011/NĐ-CP dated April 6, 2011, issued by the Government, detailing and guiding the implementation of certain provisions of the Law on Telecommunications;

Pursuant to Decree No. 17/2017/NĐ-CP dated February 17, 2017, issued by the Government, on the functions, tasks, powers, and organizational structure of the Ministry of Information and Communications;

At the proposal of the Director of the Telecommunications Department;

1. Amending and supplementing Section II - Appendix 01 as follows:

For interconnection to provide other telecommunication services (data transmission services, Internet connection services, etc.)

A. Criteria for determining congestion in interconnection

Interconnection is determined to be congested when the peak traffic volume in the highest 95% (95th Percentile) of each direction of interconnection (upstream and downstream) of a participating enterprise exceeds 90% of the interconnection capacity for seven consecutive days.

B. Evaluation Method

- Based on the actual capacity and traffic recorded in the bandwidth monitoring system (such as PRTG, CACTI, SolarWinds, or other monitoring applications...).

- Sampling interval is 5 minutes per sample.

- Peak traffic volume in the highest 95%: Discard the top 5% of the highest traffic samples and take the highest traffic sample from the remaining 95% of traffic samples in a day.

C. Procedure, criteria

Monitor traffic 24 hours a day, 7 days a week, continuously for 30 days to determine the peak traffic volume in each direction of interconnection.

2. Amending and supplementing Section II - Appendix 03 as follows:

The capacity of each direction of interconnection of a participating enterprise shall be agreed upon by the parties and must ensure that there is no congestion in interconnection;

In case of necessity, the parties shall base on the quality criteria of interconnection as stipulated in Clause 2, Article 6 of this Circular to calculate the interconnection capacity between the two parties.

Interconnection is determined to be congested when the peak traffic volume in the highest 95% (95th Percentile) of each direction of interconnection (upstream and downstream) of a participating enterprise exceeds 90% of the interconnection capacity for seven consecutive days.

Article 2. Implementation Provisions:

1. This Circular takes effect from December 22, 2021

2. The Director of the Office, the Director of the Telecommunications Department; Heads of agencies and units under the Ministry; Directors of Provincial Departments of Information and Communications; General Directors, Directors of telecommunications enterprises and organizations and individuals related to this matter are responsible for implementing this Circular.

3. During the implementation process, if there are difficulties, organizations and individuals need to promptly reflect to the Ministry of Information and Communications (Telecommunications Department) for guidance or consideration and resolution./.

2. The Head of the Office, the Director of the Telecommunications Department; the Heads of agencies and units under the Ministry; the Directors of Provincial Departments of Information and Communications; the General Directors and Directors of telecommunications enterprises and other related organizations and individuals shall be responsible for implementing this Circular.

3. In the course of implementation, if there are any difficulties, organizations and individuals shall promptly report to the Ministry of Information and Communications (Telecommunications Department) for guidance or consideration and resolution./.

THE MINISTER

Nguyen Manh Hung

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