Analysis of Salesforce call tasks and opportunities shows the following 30-day progression rates by call disposition:
- “No Answer” calls: 197 total calls, 24 progressed to a new opportunity → 12.18% progression rate
- “Connected” calls: 388 total calls, 37 progressed to a new opportunity → 9.54% progression rate

Therefore, the “No Answer” disposition is associated with the highest progression rate.