It totally depends on the service provider, when I was in Bahrain I not only received SMS I was also able to send a reply to the SMS on same plan that was on my phone in India. I did not pay any roaming charges at all. But when i traveled to other countries I never got the network connection only to receive any SMS. :p
Fionna Xavier, Sr. Product Developer for International Travel
Source: Quora Digest
It totally depends on the service provider, when I was in Bahrain I not only received SMS I was also able to send a reply to the SMS on same plan that was on my phone in India. I did not pay any roaming charges at all. But when i traveled to other countries I never got the network connection only to receive any SMS. :p