We have brought ISD calling card from Burdwan, and we have used it for few months, suddenly can not call due to may be technical problem happen on 6-1.
Beginning airtel provide 10digit security number make ISD call to Malaysia, later on Nov start change to 12 digit security number, we are facing all 12 digit security number can not be used in Burdwan area, but can use in Dankuni area.
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