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I have a CUCM 12 and I already configured Intercom Line for 2 Phones and It works well.
Now I wanted to configure another phone with one of the Intercom line configured and I couldn't do it because I think intercom line is just for 1 phone so I can't add it to another phone so my question is if there is another way that 2 phone get the same intercom line and and when a third phone call that intercom line the others two phones hear the whispered.
