¿Cómo llamar a Delta desde México?

https://community.articulate.com/discussions/articulate-storyline/delta-como-llamar-a-delta-desde-mexico-52-mx

https://community.articulate.com/discussions/articulate-storyline/delta-como-llamar-a-delta-desde-mexico-52-mx
https://community.articulate.com/discussions/articulate-storyline/delta-como-llamar-a-delta-desde-mexico-52-mx
https://community.articulate.com/discussions/articulate-storyline/delta-como-llamar-a-delta-desde-mexico-52-mx