Your phone numbers should be in text file format, with one phone number per line, and where the phone number is the first field on each line.
When using Carrier24-7, the phone number must contain only the country code followed by the rest of the phone number.
For example, in the UK, the country code is 44. So it would look like this: 44753529XXXX
The maximum file size which can be uploaded is 20 Megabytes.
Article ID: 59
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