redundant Wan?

[nobody]

How can I setup the 3cx pbx together with a multiple Wan configuration?
In the pbx setup I can only specify one static ip address.
Is there a problem if I just specify I have a dynamic address?

 

[leejor]

Not certain which version this is referring to, but probably 15 something....

https://www.3cx.com/community/threads/use-3cx-whit-dynamic-ip.29411/

 

[nobody]

Yes, I have V15. Thank you for your reply.
I have two ip addresses, one as default, one as fallback. My first idea was to create two dns records, so pbx.somedomain.com points to both ip addresses. But what happens if the client from the internet connects to the backup IP and my Router sends all rtp traffic through the default ip?
Most likely nothing good.
Maybe I better really use a dyndns address even if my addresses are static.