Dial Engine Pro 4.1 (Buy Now and save $0.60)

Dial Engine Pro does not have GUI (graphical user interface).
*** dialing can be done from any document or browser page. ***      
*** multiline capability: ---> dials first available line. ***
*** DTMF tones ---> selectable tone length and time interval. ***
*** command line selectable: Dialing Properties ***
*** command line selectable: Current Location ***
*** command line selectable: Calling Card ***     

* dialing can be performed from:
- the command line,
- another Assisted Telephony application,
- any document or browser page ;

* after dialing (or redialing busy line) DEP can perform following operations:
- drop the line,
- close itself;

* phone numbers can be put in the queue and processed sequentially;

* it can be set completely invisible or to have icon in the Systray;

* it can be set to obey or ignore Windows dialing properties:
-from the Options menu,
-programmatically;

* phone line busy automatic redialing;

* audio (sound) notification for: connected call, after busy redials, incoming call;

* caller ID capable, (ability to display the incoming caller name and phone number);

* answer incoming calls after a specified number of the rings;

* then launch any application, sending keystrokes to it;

* compatible with Time & Chaos;

* speakerphone;

* it can also dial a phone number without a modem.

* it can also be used as Skype or other VoIP dialer.

Extra option for the network administrators:

* can test all the lines and results are saved in the log and displayed on screen.