ERROR: 21408
Description
You have attempted to send an SMS or MMS to a region that has not been enabled in your account. These settings exist to help you ensure you only send SMS or MMS to the countries or regions you operate in, and avoid unexpected charges.
Possible Causes
You have attempted to send an SMS or MMS to a region that has not been enabled in your account. These settings exist to help you ensure you only send SMS or MMS to the countries or regions you operate in, and avoid unexpected charges.
You have attempted to send a message to a region not supported by Luubu Phone System, such as traffic to recipients in Iran. For WhatsApp and RCS this includes all 'To' numbers that begin with the +98 prefix.
Possible Solutions
If you wish to send messages to this region, please contact Support.
Note: To align with evolving regulatory requirements, Luubu Phone System has stopped delivering voice, messaging, and email traffic to recipients in Iran starting March 15, 2025.