TRAI issues recommendations on revision of the National Numbering Plan
The Telecom Regulatory Authority of India issued recommendations on 'Revision of National Numbering Plan' on 6 February 2025, including a 10-digit closed numbering scheme for fixed lines based on Licensed Service Areas.
Summary
TRAI issued its recommendations on 'Revision of National Numbering Plan' on 6 February 2025, in response to a Department of Telecommunications reference of September 2022. It recommended migrating fixed-line services from Short Distance Charging Area (SDCA) based numbering to a Licensed Service Area (LSA) based 10-digit closed numbering scheme, with all fixed-line to fixed-line calls dialled with the prefix '0' followed by the STD code and subscriber number; existing numbers and mobile dialling patterns stay unchanged. No additional charge on numbering resources was recommended. Connections should not be deactivated before 90 days of non-usage.
Key facts
- Issued
- 6 February 2025
- Fixed-line scheme
- LSA-based 10-digit closed numbering (from SDCA-based)
- Dialling
- Fixed-to-fixed calls: '0' + STD code + subscriber number
- Unchanged
- Existing numbers; fixed-mobile and mobile-mobile dialling
- Charges
- No additional charge on numbering resources
- Deactivation
- Not before 90 days of non-usage
Practice MCQs 2 questions
Under TRAI's recommendations of 6 February 2025 on the National Numbering Plan, how would fixed-line to fixed-line calls be dialled?
Show answer
Correct answer: C — With '0' followed by the STD code and subscriber number
TRAI recommended that all fixed-line to fixed-line calls be dialled with '0' followed by the STD code and the subscriber number, under an LSA-based 10-digit closed numbering scheme.
As per TRAI's February 2025 recommendations, mobile or fixed-line connections should not be deactivated by operators until how long a period of non-usage?
Show answer
Correct answer: A — 90 days
TRAI recommended that no mobile or fixed-line connection be deactivated until 90 days of non-usage have expired.