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RPAD Certificates for SIP federation

Occasional Visitor

RPAD Certificates for SIP federation



I am currently trying to set up SIP federation between two RPADs.

I thought I had it working because I was able to make a SIP call between the two domains.

But now I saw in a trace that I have a message "Bad Certificate".

So first of all is there way to check whether the link between the two RPAD is really encrypted and not just TCP?


And what fields need to be in the server certificates?


My RPADs are federated using the external interfaces.


So I have custom certificates from my company's CA with the FQDN (of the management interface), Server/Client authentication and external FQDN and external IP in the SAN.

This certificate together with the Root CA and Intermediate certificate I uploaded to both RPADs.

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