https://forums.quectel.com/t/u-a-telefono-como-hablar-con-una-persona-en-united-airlines/41953/1

https://forums.quectel.com/t/u-a-telefono-como-hablar-con-una-persona-en-united-airlines/41953/1https://forums.quectel.com/t/u-a-telefono-como-hablar-con-una-persona-en-united-airlines/41953/1