120003 — Number does not match template country
Error code `120003`: Number does not match template country.
120003 is a non-success business code. A 2xx HTTP response can still contain it.
What it means
Number does not match template country
Why it happens
The recipient country code does not match the template country.
What to do
Check the number and template country.
Retry guidance
Fix the cause, then resubmit. Do not repeat the same request unchanged.
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