USSD is terminated by ISP on TL-MR6400

USSD is terminated by ISP on TL-MR6400

USSD is terminated by ISP on TL-MR6400
USSD is terminated by ISP on TL-MR6400
2 hours ago
Tags: #USSD
Model: TL-MR6400  
Hardware Version: V5
Firmware Version: 1.5.0 0.9.1 v0001.0 Build 240718 Rel.60365n

My USSD code was terminated by the ISP on Viettel LTE network

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