Air Messenger Serial gives you the ability to interface multiple software device for paging by using the serial port. Air Messenger will monitor a serial port for incoming alarms and will send a page to a pager or cellular phone if a valid alarm was detected. Air Messenger ASCII also supports DDE and Command Line paging. Supports TAP/IXO, SMTP, SNPP, WCTP, andWCTP Over HTTPS and does not require SMTP sever to send E-Mail Pages.