The sender of the message. This can be a telephone number (including country code) or an alphanumeric string. In case of an alphanumeric string, the maximum length is 11 characters.
Check the maximum length.
The sender of the message. This can be a telephone number (including country code) or an alphanumeric string. In case of an alphanumeric string, the maximum length is 11 characters.
Check the maximum length.