topic Re: CUCM V11 Backwards Compatibility in Call Control https://community.cisco.com/t5/call-control/cucm-v11-backwards-compatibility/m-p/3439628#M322 <HTML><HEAD></HEAD><BODY><P>Hi Austin,</P><P></P><P>Just going through the old unanswered questions in the forum and ran across yours. I assume that you have your answer since IVT is running tests for 11.x releases.</P><P></P><P>Regards,</P><P></P><P>David</P></BODY></HTML> Wed, 10 May 2017 23:22:22 GMT davidn# 2017-05-10T23:22:22Z CUCM V11 Backwards Compatibility https://community.cisco.com/t5/call-control/cucm-v11-backwards-compatibility/m-p/3439627#M321 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I was wondering in regards to SIP transactions, if the new CUCM v11 is drastically different than previous versions?</P><P></P><P>The reason I am asking is my company is about to start an IVT for a new Endpoint phone with Cisco, </P><P></P><P>However the most recent they let you test against is V10.5.</P><P></P><P>If we were to test against V10.5, we need to be sure that there are no major SIP changes which could disrupt interoperability with the new V11.</P><P></P><P>Does anyone have any ideas if V11 if somewhat backwards compatible?</P><P></P><P>Thanks!</P><P></P><P>Austin</P></BODY></HTML> Mon, 08 Jun 2015 20:54:27 GMT https://community.cisco.com/t5/call-control/cucm-v11-backwards-compatibility/m-p/3439627#M321 eklingman 2015-06-08T20:54:27Z Re: CUCM V11 Backwards Compatibility https://community.cisco.com/t5/call-control/cucm-v11-backwards-compatibility/m-p/3439628#M322 <HTML><HEAD></HEAD><BODY><P>Hi Austin,</P><P></P><P>Just going through the old unanswered questions in the forum and ran across yours. I assume that you have your answer since IVT is running tests for 11.x releases.</P><P></P><P>Regards,</P><P></P><P>David</P></BODY></HTML> Wed, 10 May 2017 23:22:22 GMT https://community.cisco.com/t5/call-control/cucm-v11-backwards-compatibility/m-p/3439628#M322 davidn# 2017-05-10T23:22:22Z