All Robi Pre-Paid and Post-Paid subscribers are eligible to send and receive SMS messages to any mobile number in the country, as well as to numbers from 161 countries around the world!
Notes on SMS Services
Maximum length of an SMS is 160 characters including spaces. If your message cannot be sent successfully, please check the SMS service center number in your handset’s message setting option. Correct message center number is +8801801000004. This number is usually built in your SIM card. However, incase if it’s not, please change it. For international SMS, please enter the mobile number in the following format “+" or "00" + Country Code + Mobile Number. For example, if you want to send an SMS to a mobile in Australia, you have to write the number as: +614012345678 or 00614012345678 (where 61 is the country code of Australia, and 4012345678 is the mobile number). Robi will not be responsible for failure of sending/receiving International SMS due to technical problem in other networks.