Idea Cellular — Port 1900

Address:

Kurnool, Andhra Pradesh, 518002

I am unable send port sms to 1900, every time when i send the sms it shows error, even though i got enough free sms left to send my idea cellular is not allowing to send the message. This is my number [protected]. Please kindly go through my request and take action as soon as possible.
Thank you
Regards
Pradeep shakamuri