As far as the Bulk SMS service providers are considered in India, smsstore.in is a name that is famous for customizing the services according to the needs of the customers. smsstore.in provides a subscriber Opt in SMS option to receive SMS from a particular community or entity. smsstore.in sends a message to the subscriber and if he/she opts for the messages, and remember this solution is not meant for marketing purposes as it is sent just to the few particular numbers. The Opt in SMS service of smsstore.in can be opted by any company, individual or community in the country just with the purpose to send important updates. This SMS solution comes under the Transactional SMS Route Gateway.