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Full Version: Unable to establish secure connection with CUCM
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Dear all
hello


I am trying to deploy yealink-sipT22 phone with CUCM using TLS/SSL between them

Disabling SSL the phone registers and works just fine. But when I enable secure communication I can't get the phone to register.


I upload cucm server certificate mannualy on phone trusted certificate but my problem not solved and phone not register.

plz help me how do it
thanKS a lot
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