Yealink DECT Phone Security White Paper (Jan 2025)

What’s inside

1. Overview
2. Hardware Interface Security
3. 2.1 Debugging Interface
4. 2.2 Secure Boot
5. System Security
6. 3.1 Flash Encryption
7. 3.2 Firmware Integrity Verification and Digital Signature
8. 3.3 DECT Subscription Security
9. 3.4 DECT Authentication Security
10. 3.5 DECT Data Encryption
11. 3.6 DECT Frequency Band Security.
12. Network Security
13. 4.1 802.1X
14. 4.2 OpenVPN
15. 4.3 Network Proxy
16. Transmission Security
17. 5.1 Media Encryption (SRTP)
18. 5.2 Transport Layer Security (TLS)
19. Data Security
20. 6.1 Data Storage
21. 6.2 Data Deletion
22. 6.3 Access Control Security
23. Encryption
24. 7.1 Secure Unique Device Identifier (SUDI)
25. 7.2 Encryption Algorithm
26. 7.3 Support for RFC-8760
27. Privacy Security
28. 8.1 Log Security
29. 8.2 Configuration Backup
30. 8.3 Device Management
31. 8.4 Preconfigured Domain Name Information
32. Security Management
33. 9.1 Product Launch Process
34. 9.2 Code Security Specification
35. 9.3 Security Emergency Response
36. Disclaimer
37. 10.1 Affirmation