Cisco SPA100 Series - Client Certification

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.