These IMDA regulations ensure the quality of network services in Singapore through standards.
| Technical Specifications | Date | Title |
|---|---|---|
| IMDA TS CNS |
Dec 2025 | Technical Specification for Calling Name Service (508.22KB) |
| IMDA TS SIP-INTC |
Feb 2025 | Technical Specification for SIP standards for Voice Interconnection (434.97KB) |
| IMDA SEC-INTC |
Feb 2025 | Security Requirements for IP-Interconnection (126.24KB) |
For enquiries, please email to Telecoms_standards@imda.gov.sg
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