SIP IP Phone Models 9143i, 9480i, 9480i CT and 5i Series Phones Release Note 2.3
New Features in Release 2.3
Aastra IP Phone UI
Step Action
12Press DONE to save the change and return to the Certificates screen. Note: This change is immediately applied after pressing DONE.
13Press 
to exit the Options Menu and return to the idle screen.
Configuring HTTPS Server Certificate Validation via the
Aastra Web UI
Use the following procedure to configure HTTPS server certificate validation for the IP Phones using the Aastra Web UI.
Aastra Web UI
1
2
3
Click on Advanced
HTTPS Validation
Certificate
Parameters
The “Validate Certificates” field is enabled by default. To disable validation of certificates, click the check mark in the box to clear the check mark.
When this parameter is enabled, the HTTPS client performs validation on SSL certificates before accepting them.
Notes:
1.This parameter is immediately applied after clicking the SAVE SETTINGS button.
2.If you are using HTTPS as a configuration method, and use a self signed certificate, you must disable (uncheck) this field before upgrading to Release 2.3 of the IP Phones.
The “Check Certificate Expiration” field is enabled by default. To disable validation of certificate expiration, click the check mark in the box to clear the check mark.
When this parameter is enabled, the HTTPS client verifies whether or not a certificate has expired prior to accepting the certificate.
Notes:
1.This parameter is immediately applied after clicking the SAVE SETTINGS button.
2.If the “Check Certificates Expiration” parameter is set to Yes, the clock on the phone must be set for the phone to accept the certificates.
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