[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.

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MTLS using built in device cetificate
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smuser Offline
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Posts: 5
Joined: Nov 2020
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Post: #2
RE: MTLS using built in device cetificate
Yealink has at least TWO separate CA's that I know of.

I initially setup and had it all working for T42S and few others. Then we bought few T46U and those failed to verify phone's certs because they were signed by a different CA.

I opened a ticket asking Yealink to publish the CA cert for T46U. They provided the CA cert as attachment to the ticket, but refused to publish it in the downloads resources, citing security issues.

I recommend you open a ticket and ask for it. First they will ask why you want. What you are doing sounds exactly what we are doing.

I like Yealink support, very helpful, but I really strongly disagree with them on this issue. AFAIK it is safer to publish the CA and let users verify the device than to hide it and tempt users to run without verifications. It's not like I'm asking for the private key. And once issued to one person it is no longer a secret. No big deal if it is just published. But what would I know. I am sorry I will not upload here the cert they provided to me in case Yealink gets upset with me for that, well, they are hiding it for some reason.
(This post was last modified: 06-11-2021 02:09 PM by smuser.)
06-11-2021 02:07 PM
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RE: MTLS using built in device cetificate - smuser - 06-11-2021 02:07 PM

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