cucm ,unity and cup certificate regenrate

[bluesea2010]

Hi,

 renewing the certificate (self signed ) what is the impact , how the services affected .

2445 / TCP

Provide trust verification service to endpoints.

8443 / TCP

Allows access to Control Center - Feature and Network service between nodes.

9443 / TCP

Phone use this port for authenticated contact search.

on cup

5061 : Provide trunk-based SIP services

8083 :

8443 :

Want to change the certs  for the above service 

Thanks 

[Roger Kallberg]

This document should outline what you ask about Cisco UC Certificates Renewal Guide 

It is specifically written for CA signed certificates, but the concept is the same for self signed, so it will work for your purposes as well.