https://community.cisco.com/t5/ip-telephony-and-phones/changing-the-cucm-from-ip-address-to-fqdn-will-affect-the-cisco/m-p/3858180#M379148 <P>Hi Everyone,</P><P>&nbsp;</P><P>We are planning to change the CUCM from IP Address to FQDN, question changing to FQDN will impact the Cisco VCS Expressway C &amp; E integration to CUCM?&nbsp;</P><P>&nbsp;</P><P>Thank you</P> Fri, 17 May 2019 09:55:23 GMT ccg-collab1 2019-05-17T09:55:23Z https://community.cisco.com/t5/ip-telephony-and-phones/changing-the-cucm-from-ip-address-to-fqdn-will-affect-the-cisco/m-p/3858180#M379148 <P>Hi Everyone,</P><P>&nbsp;</P><P>We are planning to change the CUCM from IP Address to FQDN, question changing to FQDN will impact the Cisco VCS Expressway C &amp; E integration to CUCM?&nbsp;</P><P>&nbsp;</P><P>Thank you</P> Fri, 17 May 2019 09:55:23 GMT https://community.cisco.com/t5/ip-telephony-and-phones/changing-the-cucm-from-ip-address-to-fqdn-will-affect-the-cisco/m-p/3858180#M379148 ccg-collab1 2019-05-17T09:55:23Z https://community.cisco.com/t5/ip-telephony-and-phones/changing-the-cucm-from-ip-address-to-fqdn-will-affect-the-cisco/m-p/3858328#M379163 <P>I don't think it will, but you should update VCS to use the FQDN also.</P><P>&nbsp;</P> Fri, 17 May 2019 13:52:53 GMT https://community.cisco.com/t5/ip-telephony-and-phones/changing-the-cucm-from-ip-address-to-fqdn-will-affect-the-cisco/m-p/3858328#M379163 Rolando Valenzuela 2019-05-17T13:52:53Z