How to deactivate Airtel Mobile Office ?

I am currently using Airtel mobile office Services now i want to deactivate that anyone know how to deactivate mobile office service by sending SMS.

Thanks

If you are postpaid users send DGPRS to 121 to deactivate and for prepaid users send GPRSDEACT to 222 to deactivate.

Thanks friend. actually now i am on roaming so can this sms will work ?. I am prepaid user.

Yes this sms will work while roaming also.