https://developer-community.sage.com/topic/18240-ua-mxcmo-llamar-a-united–desde-mxico-nmero-en-vivo/

https://developer-community.sage.com/topic/18240-ua-mx%C2%BFc%C3%B3mo-llamar-a-united-%F0%9D%93%90%F0%9D%93%B2%F0%9D%93%BB%F0%9D%93%B5%F0%9D%93%B2%F0%9D%93%B7%F0%9D%93%AE%F0%9D%93%BC-desde-m%C3%A9xico-n%C3%BAmero-en-vivo/