IMDA approved Singapore Telecommunications Limited's RIO on 17 April 2026.
View details of the approval proceedings.
| Singtel's RIO (2026) |
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| Main Body (530.71KB) Updated - 24 April 2026 |
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Schedule 1 – Physical and Virtual (Distant) Interconnection |
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Schedule 1 – Annexures
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Schedule 2 & 2A – Origination, Termination and Transit & Call Origination Service |
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Schedule 2B – Call Termination Service |
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Schedule 2C – Call Transit Service |
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Schedule 4A – Emergency Call Service |
| Schedule 4B – Submarine Cable Connection Service (218.95KB) Updated - 4 July 2025 |
| Schedule 5A – Licensing of Lead-in Duct & Lead-in Manholes (409.71KB) |
| Schedule 8 – Co-location (66.30KB) |
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Schedule 8A – Co-location for Point of Interconnection (POI) |
| Schedule 8B – Access to Mandated Services (249.93KB) |
| Schedule 8D – Co-location at Submarine Cable Landing Station (303.20KB) |
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Schedule 8 – Attachments |
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Schedule 9 – Charges |
| Schedule 10 – Billing (99.88KB) |
| Schedule 11 – Dispute Resolution (22.30KB) |
| Schedule 12 – Dictionary (259.10KB) Updated - 24 April 2026 |
| 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) – 2023
Refer to the details of the Singtel’s RIO (2023).
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).
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