When it comes to mobile device compliance, two important processes are often mentioned — TAC Approval and IMEI Registration. Though both are connected, they serve different purposes in ensuring that mobile phones and GSM-based devices are traceable, authentic, and legally approved for sale. Understanding the difference between IMEI registration and TAC approval is essential for manufacturers, importers, and distributors dealing in telecom equipment.
What is IMEI Registration?
The International Mobile Equipment Identity (IMEI) is a unique 15-digit number assigned to every mobile device that connects to a cellular network. The process of IMEI registration involves officially recording these IMEI numbers with the Department of Telecommunications (DoT) through the CDOT IMEI database.
This step ensures that each device sold or imported in India is verified and traceable. When you register IMEI numbers, the details are uploaded to the IMEI-DBMS system, which helps prevent duplication, theft, and illegal imports.
Once verified, you receive an IMEI certificate, which confirms that your devices are officially registered and approved for market use.
What is TAC Approval?
Before IMEI registration begins, manufacturers must obtain TAC (Type Allocation Code) approval. TAC represents the first eight digits of an IMEI number and identifies the specific brand, model, and device type.
TAC approval ensures that every new model introduced in the market has a globally unique identity. It is issued by CDOT under the DoT guidelines. Manufacturers or importers are required to submit details such as brand name, model number, product specifications, and authorized company credentials to obtain TAC approval.
Key Differences Between IMEI Registration and TAC Approval
| Aspect | TAC Approval | IMEI Registration |
|---|---|---|
| Purpose | Approves the model of the device | Registers each individual device unit |
| Stage | First step before IMEI generation | Second step after IMEI generation |
| Output | TAC code assigned to the model | IMEI certificate issued for registered devices |
| Managed By | CDOT (under DoT) | CDOT IMEI-DBMS Portal |
In simple terms, TAC approval is about approving the model, while IMEI registration is about registering each device that uses that model’s TAC.
Conclusion
Both processes are vital for mobile device compliance in India. TAC approval ensures that the model is recognized and valid, while IMEI registration ensures that every device sold is traceable and legally registered.
By completing both steps, manufacturers and importers can easily register IMEI numbers and obtain a valid IMEI certificate, ensuring compliance with Indian telecom regulations and building consumer trust.
