SBOs in Singapore must comply with IMDA’s regulations by entering into Reference Interconnection Offer (RIO) agreements with other SBOs.
1. Singapore Telecommunications Ltd & Circle InfoCom (S) Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Circle Main Body (213.18KB) | 15 February 2001 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
2. Singapore Telecommunications Ltd & Macquarie Corporate Telecommunications
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Macquarie Main Body (212.47KB) |
23 February 2001 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
3. Singapore Telecommunications Ltd & GlobalCom Information Services Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel GlobalCom Main Body (185.98KB) |
1 February 2002 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
4. Singapore Telecomunications Ltd & Phoenix Communications Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Phoenix Main Body (185.77KB) |
1 March 2002 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
5. Singapore Telecommunications Ltd & Bludot Communications Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Bludot Main Body (185.57KB) |
8 March 2002 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
6. Singapore Telecommunications Ltd & I2U Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel I2U Main Body (185.70KB) |
18 March 2002 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
7. Singapore Telecommuications Ltd & SunPage Communications Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Sunpage Main Body (185.59KB) |
15 April 2002 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
8.Singapore Telecommunications Ltd & Zone Telecom Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Zone Main Body (185.00KB) |
25 April 2002 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
9. Singapore Telecommunications Ltd & Telcom United (S) Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Telcom United Main Body (145.47KB) |
29 July 2003 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
10. Singapore Telecommunications Ltd & Connecting Communication & Solutions Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel CCS Main Body (145.59KB) |
23 December 2003 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
11. Singapore Telecommunications Ltd & 1World Telecommunications Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel 1World Main Body (146.70KB) |
23 July 2004 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
12. Singapore Telecommunications Ltd & NTT Singapore Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel NTT Main Body (151.98KB) |
18 February 2005 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
13. Singapore Telecommunications Ltd & Mediaring Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Mediaring Main Body (2.39MB) |
25 April 2005 |
| Schedule 1 – Physical and Virtual (Distant) Interconnection | |
| Schedule 1B – Virtual (Distant) Interconnection for SBOs | |
| Schedule 2 – Origination, Termination and Transit (O/T/T) | |
| Schedule 2A – Call Origination Service | |
| Schedule 2B – Call Termination Service | |
| Schedule 2C – Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
14. Singapore Telecommunications Ltd & Tele-Access & Comms. Pte Ltd (Novated to Absolute Telecom Pte Ltd on 17 November 2009)
| RIO Agreement | Date of Submission |
|---|---|
| SingTel TeleAccess Main Body (211.42KB) |
11 January 2006 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
15. Singapore Telecommunications Ltd & Singapore Smart Telecommunications Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel SmartTel Main Body (212.29KB) |
29 March 2006 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
16. Singapore Telecommunications Ltd & First Legend Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel FirstLegend Main Body (211.99KB) |
7 April 2006 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
17. Singapore Telecommunications Ltd & Carriernet Corporation (Singapore) Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Carriernet Main Body (212.11KB) |
13 April 2006 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
18. Singapore Telecommunications Ltd & Chesterfield Communications Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Chesterfield Main Body (211.57KB) |
19 April 2006 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
19. Singapore Telecommunications Ltd & Lion Telecom Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Lion Main Body (211.48KB) |
7 June 2006 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
20. Singapore Telecommunications Ltd & Shinetown Telecom (S) Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Shinetown Main Body (2.34MB) |
1 August 2006 |
| Schedule 1 – Physical and Virtual (Distant) Interconnection | |
| Schedule 1B – Virtual (Distant) Interconnection for SBOs | |
| Schedule 2 – Origination, Termination and Transit (O/T/T) | |
| Schedule 2A – Call Origination Service | |
| Schedule 2B – Call Termination Service | |
| Schedule 2C – Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
21. Singapore Telecommunications Ltd & IDT Telecom Asia Pacific Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel IDT Main Body (210.04KB) |
22 November 2006 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
22. Singapore Telecommunications Ltd & Redtone Technology Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Redtone Tech Main Body (210.08KB) |
14 February 2007 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
23. Singapore Telecommunications Ltd & Teliwave Pte Ltd
| RIO Agreement | Date of Submission |
|---|---|
| SingTel Teliwave Main Body (210.66KB) |
12 April 2010 |
| Schedule 1 - Physical and Virtual Interconnection | |
| Schedule 1B - Virtual (Distant) Interconnection for SBOs | |
| Schedule 2 - Origination, Termination and Transit (O/T/T) | |
| Schedule 2A - Call Origination Service | |
| Schedule 2B - Call Termination Service | |
| Schedule 2C - Call Transit Service | |
| Schedule 9 - Charges | |
| Schedule 10 - Billing | |
| Schedule 11 - Dispute Resolution | |
| Schedule 12 - Dictionary |
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