In order to increase the speed of sending bulk SMS we have updated the system to optimize the sending queue.
We have increased the sending frequency to 5 messages every 10 seconds for transactional messages and 20 messages every 30 seconds for batch messages. Transactional messages include receipt posted, invoice generated, custom composed sms etc. Batch messages include reminder sms, demand sms etc.
With this update you will be able to send more messages faster and efficiently.