I make a call to number ZZZ;I hear welcome.au prompt;I dial valid extension and see call is transferred to that extension;I see incoming call on the extension number;I decline the call on the extension called number;Then I see that my call is not dis...

My ITSP ask me to register CME to his SIP trunk not by usial UDP 5060 port but using TCP 5060.How to do it? CME version 12.0 on 2911 router IOS 15.7(3)M5