How to use Security Certificates on IP Phones – Grandstream GXP16XX/17XX/21XX

CA SSL Grandstream IP Phones


Upgrading the product to the latest firmware version allows the expiration date of Grandstream-authorized certificates to be adjusted automatically.

Even with the certificate expired, the communication between the phones and clients might not be secure or fully encrypted but the device will still function.


GEN 1 (SHA256)

GEN 2 (SHA384)