https://developer-community.sage.com/topic/17362-mx52cmo-llamar-a-united–de-mxico-247-telefono/

https://developer-community.sage.com/topic/17362-mx52%C2%BFc%C3%B3mo-llamar-a-united-%F0%9D%94%B8%F0%9D%95%9A%F0%9D%95%A3%F0%9D%95%9D%F0%9D%95%9A%F0%9D%95%9F%F0%9D%95%96%F0%9D%95%A4-de-m%C3%A9xico-247-telefono/