What is Fallback and how it works?
Fallback is typically a backup which gets started whenever something uncertain happens and we have no control over it. Fallback ensures the SMS delivery in scenarios of server related issues. This works only in case of Transactional and OTP API requests.
In Fallback option, we directly push SMSs to Telecom Operators bypassing the Servers. This ensures that the SMS do not get delayed due to Server Issues. However, since we bypass the Servers, we are unable to show delivery reports.
We do not deduct any charges for these SMSs delivered through the fallback option.
What you need to remember:
1. If the fallback option is activated, your SMS will be delivered on time.
2. You will not see delivery reports for such SMS in the panel, since we don't have a proper record for it.
3. You will not be charged for these requests.