21408: Your account is not allowed to send SMS to this country or region.

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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 LC 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, LC Phone System has stopped delivering voice, messaging, and email traffic to recipients in Iran starting March 15, 2025.