First of all, thank you for the quick answer.
a few things:
I have tried to use whitelabel, well the only way that I could install it was via crossbar:
# cd /usr/src/kazoo/4.3/
# git clone https://github.com/OpenTelecom/monster-ui-whitelabel.git
# cd /usr/src/kazoo/4.3/monster-ui-whitelabel/src/apps
# mv whitelabel /var/www/html/monster-ui/apps/.
# sup crossbar_maintenance init_app /var/www/html/monster-ui/apps/whitelabel https://xx.xx.xx.xx:8000/v2/
# sup crossbar_maintenance start_module cb_whitelabel
But it doesn't work
another problem with i18n Spanish language :
Someone give me an answer and I try to apply, but it never works.
finally, I give up and now I'm looking for a platform that supports a multi-tenant environment