Configuring the Voice Settings
SSL/TLS Certificate
Cisco SPA100Series Administration Guide
106
4
NOTE
The 2K server certificate is not compatible with old firmwares (before 1.3.3.)
The 1K server certificate is compatible with all firmwares, before and after
1.3.3.
Client Certification
Devices with serial number CCQ18230001 (and newer) are built-in with 2K Client
Certificate.
For a device with 2K Client Certification, the provisioning server should update the
combined CA if client certification is requested.
NOTE
The new combined CA is compatible with both 1K and 2K Client
Certification.