Hello,
Yes, as stated in another post, it IS possible for you to write this yourself and using the Dispo Call URL feature. The PHP coding language does have the capability of sending emails with attachment, and you'd need to write a PHP program that will be called via the Dispo Call URL feature, which will include coding to send an email if the status being passed is the one you're looking for. Someone supplied a php page, dispo_send_email.php, which will do almost all that you've described.
However, I'm sure you noticed this script does not include email attachments. So, you could try making a customized version of this, as PHP does support sending emails with attachments - here's a page that tells one way to do it:
http://webcheatsheet.com/php/send_email ... chment.phpYou could patch the dispo_send_email.php to include attachments and signatures, maybe make a "dispo_send_email_with_attachments.php" to test with. This might work for you if you're only looking to have one particular attachment and one particular signature go out for every email. If you want a different attachment per disposition, or a different signature per agent, then you're getting into more complicated territory and you'd have to code appropriately. There's several ways you could go about doing this.