Reference Interconnect Offer
Also called: RIO · Topic: Infrastructure: Transport, Communications and Energy · NCERT: Beyond NCERT
Meaning
A Reference Interconnect Offer (RIO) is a standard, published set of terms. A telecom operator that provides interconnection uses it to offer that link to other operators. Interconnection means linking two networks so that customers of one operator can call or message customers of another. The RIO sets out the technical, operational and commercial terms, such as the points of interconnection, the charges, the security deposits and the billing method. Because every operator asking to connect sees the same terms, the RIO keeps access transparent (open to all) and non-discriminatory (fair to all). A big operator then cannot quietly give a rival worse terms. In India, TRAI's consultation paper of 10 November 2025 included RIO in its review of interconnection regulations.
Example
A new operator wants its customers to reach a large operator's mobile users. It does not bargain over every clause from scratch. It reads the large operator's RIO, which gives the point of interconnection, the port charges and the bank-guarantee terms, and it signs on that basis. Port charges in the RIO must stay within TRAI's ceilings. For example, from 1 January 2027 the ceiling for a 1 Gbps IP port is ₹5.6 lakh a year.
Don't confuse with
- Interconnection agreement: this is the actual contract the two operators sign. The RIO is the standard offer made to everyone, and the agreement is usually built on it.
- Port charges: these are one price inside the RIO. The seeker pays them to the provider for ending links at the point of interconnection. They are not the whole set of terms.