https://ctl.gatech.edu/sites/default/files/webform/teaching_with_technology_partner/_sid_/thirty-six-ways-to-connect-how-to-call-to-live-agent-at-southwest-airlines-a-complete-guide.pdf
https://ctl.gatech.edu/sites/default/files/webform/teaching_with_technology_partner/_sid_/0-to-7-methods-to-talk-to-an-volaris-rep-instantly.pdf
https://ctl.gatech.edu/sites/default/files/webform/teaching_with_technology_partner/_sid_/07-Ways-To-Dial-Frontier-Customer-Service-Via-Phone.pdf
https://community.ring.com/conversations/ring-home-plan/cmo-llamar-de-eeuu-a-18883936178/68667be5b811cb4be970438e