Alphanumeric Sender ID allows you to set your company name or brand as the Sender ID when sending one-way Text SMS messages to supported countries. Alphanumeric Sender IDs may be up to 11 characters. Accepted characters include both upper- and lower-case ASCII letters, the digits 0 through 9, and space: A-Z, a-z, 0-9.   Source By SMSala ... View more