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Continue to ChatDT y Vodafone realizan prueba de roaming NB-IoT https://www.telesemana.com/blog/2018/06/04/dt-y-vodafone-realizan-prueba-de-roaming-nb-iot/
DT y Vodafone realizan prueba de roaming NB-IoT https://www.telesemana.com/blog/2018/06/04/dt-y-vodafone-realizan-prueba-de-roaming-nb-iot/