• Implementation of different Guidelines in the Engineering field.
  • Inspection, Monitoring and other activities.
  • Monitoring and Identification of Standardization Equipment, Plants and Infrastructure Development.
  • Testing and Calibration of the Non-Radio Equipment.
  • Monitoring of CDR Analyzer, Database, Management System and other activities.
  • Inspection of IGW, ICX, IIG and other activities.
  • Till now 1.6 million SIM has been Blocked that was used in illegal VoIP.


Prevent Illegal Call Termination

High powered monitoring committee of BTRC has enhanced the control mechanism to protect illegal call termination. BTRC, Law enforcing agencies nominated officials are directly involved in the Committee. The necessary steps which have been taken by BTRC are as follows:

1. To Conduct Operation:

The Committee formed by BTRC and law enforcing agencies are conducting operation regularly to identify the illegal installations abusing VoIP technology of malicious users. BTRC always prompt to identify the SIM Box users those who are using new technique and various technical strategy is adopting to conduct operation. In the fiscal year 2012-2013, 26 operations have been conducted. Generally in these types of operations, Channel Box, Gateway, Server, illegally registered SIM, Computer along with other related equipments are blocked. Regular cases have been lodged to the respective police station after conducting operation.

2. Monitoring to protect illegal usage of bandwidth:

It is continuing to monitor/protect the abusage of bandwidth of illegal installations using VoIP technology of various International Internet Gateway (IIG) and Internet Service Provider (ISP). Following of that Deep Packet Inspection (DPI) and Multi Router Traffic Grapher (MRTG) link monitoring is a continuous process including the issuance of necessary warning letter to the respective operators. Recently BTRC has discouraged the illegal usage by bandwidth limit; control the UL/DL ratio etc. for the limited time.

3. To analyze Call Detail Record (CDR):

CDR Terminal from all IGW operators has already been established at BTRC to analyze the call volume among all operators as well as to ensure accurate statistics. Report is prepared from the through analysis and examination of retrieved CDR from the terminal. Besides statistics of call from different tabular format are collecting from all operators and then in depth analysis & cross examination applies for call volume among all operators. Wrong information or mismatch can be detected through this process. Already CDR mismatches and misdeclaration has been detected and necessary directives have been issued to maintain ethical operational activities. It can be worked as a catalyst to ensure the true revenue from the operator end.

4. SIM BOX Detection System:

SIM Box Detection System has been established at BTRC in associated with the all mobile operators to discourage fraud registration and malicious users of illegal SIM Box. Very recently increase of additional hits including virtual circuits has been rearranged into the SIM Box detection system as per BTRC directives. It will be effective for incremental detection of many suspicious numbers in the system.

5. Regular Operational Activities:

Inspection is conducting into the operators’ premises licensed by BTRC. By this way, operators are becoming more conscious about proper utilization of their network. Also the concern official of BTRC can be acknowledged regarding the application of licensing condition, guideline and respective directives. Besides these inspection/investigation has been conducted according to the report of various newspapers and from different sources.


Contact Person at Operations & Monitoring Department

For any query about Operations & Monitoring related issue please feel free to contact with us as below:

Engr. Zian Shah Kabir

Senior Assistant Director

Engineering & Operations Division
Email:  zian@btrc.gov.bd,

Mobile Phone:  +8801552202719

Bangladesh Telecommunication Regulatory Commission (BTRC), IEB Bhaban (5, 6 & 7th floor), Ramna, Dhaka-1000, Bangladesh.


Engr. Md. Taifur Rahman

Assistant Director

Engineering & Operations Division
Email:  taif@btrc.gov.bd,

Mobile Phone:  +8801552202771

Bangladesh Telecommunication Regulatory Commission (BTRC), IEB Bhaban (5, 6 & 7th floor), Ramna, Dhaka-1000, Bangladesh.