Regulatory Guide, Code of Practice, Numbering Plan and Billing & Metering Integrity Scheme

Regulatory Guide for Calling Line Identity (CLI) Format (HKTA 3101)

Code of Practice in relation to Calling Line Identification and Other Calling Line Identification Related Services

Code of Practice relating to the Use of Numbers and Codes in the Hong Kong Numbering Plan (Cap.106)

Code of Practice for the Provision of Backup Power Supply for Local Fixed Telephony Service

Circular Letters

Circular Letter* issued on 20 March 2006 regarding Revised Guidelines and Format of Acceptable Independent Assurance Report on the Traffic Volume of External Telecommunications Services (ETS), with the following attachments:

• For Yearly Reporting Duty: -
1. Revised Guidelines for Independent Practitioners - Assurance Engagement on Traffic Volume of External Telecommunications Services Report to the Office of the Telecommunications Authority

2. Format of Acceptable Independent Assurance Report

3. Table 1 for Yearly Assurance Report
• For Monthly Reporting Duty: -
1. Table 1 and Table 2 for Monthly Traffic Report

Circular Letter* issued on 23 March 2005 regarding New Guidelines and Sample of Acceptable Independent Assurance Report on the Traffic Volume of External Telecommunications Services, with the following attachments (superseded by Circular Letter dated 20 March 2006) :

• For Yearly Reporting Duty: -
1. Guidelines for Independent Practitioners – Assurance Engagement on Traffic Volume of External Telecommunications Services Reported to the Office of Telecommunications Authority

2. Sample of Acceptable Independent Assurance Report

3. Table 1 for Yearly Assurance Report
• For Monthly Reporting Duty: -
1. Table 1 and Table 2 for Monthly Traffic Report

Circular letter* issued on 24 October 2003 regarding Compliance with Numbering Plan and Code of Practice

Circular letters* issued on 6 June 2003 and 29 July 2003 regarding Insufficient Disclosure of the Charges for Calling Card Service.

• Circular letter dated 6 June 2003
• Circular letter dated 29 July 2003