A system and method for enhanced call progress assessment (CPA) utilizing dual-prong analysis, comprising a campaign management console, a data services engine, a traffic shaper, an agent desktop, an optimized CPA service, an auto-dialer with built-in CPA capabilities, and a simple dialer which allows enterprises to process outbound calls in parallel in order to quickly and accurately determine outbound call outcome, a live person or an answering machine or service, which can be used to route outbound calls in an appropriate manner. The system and method utilize a plurality of specialized CPA methods running in parallel to a built-in CPA system to analyze audio stream data associated with an outbound call and uses various entity-specific threshold parameters to determine a call outcome based on the results of the plurality of CPA methods. Such a system and method can provide faster and more accurate CPA using a dual prong approach.