Hi
Try
http://www.mdlsolutions.com/Dialer.aspxIt has been designed to work through 3CX, and with its queues.
All the 3CX configuration information can be found in the FAQ's.
It has answering machine detection, fax machine detection built in and
the option to leave a message if an answering machine is detected.
The free trial has all the features you need to load/run your lists.
Contact
support@mdlsolutions.com, if you have any questions.