Hi everybody,
I solved my problem.
First of all.
CMS has 3 ways to manage.
Web UI
API - Firefox Poster, Chrome Postman, Chrome Advanced Rest Client
CLI – for platform config (MMP)
https://kb.acano.com/content/1/372/en/what-are-some-of-the-feature-differences-i-can-expect-to-see-when-migrating-from-telepresence-server-to-cisco-meeting-server.html
On the administration UI web, it have a option to change layout but im still miss understand what is the real function, anyway.
For change the default layout in all conference in CMS is necessary change the parameters in the configuration profiles in the system vía API using Postman tool.
For this purpose i recommend understanding what is postman.
https://www.cisco.com/c/en/us/support/docs/conferencing/meeting-server/213812-cisco-meeting-server-basic-api-functions.pdf
Afther i recomend see this video and al parts of them.
https://www.youtube.com/watch?v=_kU8FwHyVZQ
Once you are familiar with postman and the option it offer, what has to be done is the following:
Enter the CMS vía API (Postman)
Step 1.- Validation of existing Profiles and used by the system https: // <webadmin> / api / v1 / system / profiles
Step 2.-Editing the profile “calllegprofiles / <ID Call Leg profilie>” the “defaultLayout” value was modified to “allEqual”, with this change the default panel that will be displayed in allEqual mode.
Step 3.-Editing the profile “dtmfprofiles / <ID dtmf profile>” The values of “nextLayout” and “previuosLayout” were assigned with the dtmf “2” and “1”(or what ever tha you want) , so you can select the preferred layout for the user according to the options supported.