Be aware of scammers impersonating as IMDA officers and report any suspicious calls to the police. Please note that IMDA officers will never call you nor request for your personal information. For scam-related advice, please call the ScamShield Helpline at 1799 or go to www.ScamShield.gov.sg.

Singtel's Reference Interconnection Offer (RIO)

IMDA approved Singapore Telecommunications Limited's RIO on 18 December 2023.

Please access the approval proceedings details in the Singapore Telecommunications Limited’s Reference Interconnection Offer.

Singtel's RIO (2023)
Singtel's RIO (2023) Main Body (404.84KB) Updated - 27 February 2025
Singtel's RIO (2023) Schedule 1 – Physical and Virtual (Distant) Interconnection (336.78KB)
Singtel's RIO (2023) Schedule 1 – Annexures (586.83KB)
Singtel's RIO (2023) Schedule 2 & 2A – Origination, Termination and Transit & Call Origination Service (164.12KB)
Singtel's RIO (2023) Schedule 2B – Call Termination Service (172.92KB)
Singtel's RIO (2023) Schedule 2C – Call Transit Service (211.66KB)
Singtel's RIO (2023) Schedule 4A – Emergency Call Service (150.04KB)
Singtel's RIO (2023) Schedule 4B – Submarine Cable Connection Service (218.81KB) Updated - 27 February 2025
Singtel's RIO (2023) Schedule 5A – Licensing of Lead-in Duct & Lead-in Manholes (409.71KB)
Singtel's RIO (2023) Schedule 8 – Co-location (66.30KB)
Singtel's RIO (2023) Schedule 8A – Co-location for Point of Interconnection (POI) (285.99KB)
Singtel's RIO (2023) Schedule 8B – Access to Mandated Services (249.93KB)
Singtel's RIO (2023) Schedule 8D – Co-location at Submarine Cable Landing Station (303.20KB)
Singtel's RIO (2023) Schedule 8 – Attachments (287.69KB)
Singtel's RIO (2023) Prices valid from 18 December 2023 to 31 March 2024:

Schedule 9 – Charges (297.61KB)

Singtel's RIO (2023) Prices valid from 1 April 2024 to 17 December 2028:

Schedule 9 – Charges (297.30KB) Updated - 3 July 24

Singtel's RIO (2023) Schedule 10 – Billing (99.88KB)
Singtel's RIO (2023) Schedule 11 – Dispute Resolution (22.30KB)
Singtel's RIO (2023) Schedule 12 – Dictionary (230.77KB)
Singtel's RIO (2023) Schedule 13 – Licensing of CDN (493.61KB) Updated 3 July 24

Notification

Refer to the Subsequent RIO Amendments Not Arising From Public Consultations.


Singapore Telecommunications Limited’s Reference Interconnection Offer (RIO) – 2012

Refer to the details of the Singtel’s RIO (2012).


Singapore Telecommunications Limited's Reference Interconnection Offer (RIO) - 2005

Refer to the details of the Singtel's RIO (2005).


Singapore Telecommunications Limited's Reference Interconnection Offer (RIO) - 2001

Refer to the details of the Singtel's RIO (2001).

LAST UPDATED: 27 FEB 2025