Recently I took a Airtel prepaid mobile sim. Though I am able to call from the number but all the SMS which I am sending is getting failed. Every time it is showing Error and giving option to retry or cancel. I talked to Airtel customer care executive and she told me to check the SMS delivery settings.
As per the settings,
Validity Period - Maximum, Message Type - Text, Service Center - 919845087001 and Reply Path - No.
Please look into the matter and resolve.
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