Misidentification of humans as voicemail by diallers is a common but often overlooked issue that can significantly impact call centre efficiency and sales productivity. This problem occurs when answering machine detection (AMD) algorithms misclassify live human callers as machines, leading to voicemail drops and missed opportunities.
The root cause lies in the AMD's reliance on audio patterns, which can be confused by long greetings, background noise, or slow responses. A study by Twilio found that a high percentage of 'machine_start' calls with durations of just a few seconds indicate this misclassification, where humans hung up after hearing a voicemail greeting.
The issue is compounded by the fact that these misclassified calls are often excluded from standard reporting metrics, making the problem appear less severe than it is.
To address this, businesses should consider adjusting detection thresholds, using DetectMessageEnd mode, or implementing AsyncAmD for more accurate classification. The solution involves a detailed analysis of call data to identify patterns and implement targeted fixes, ensuring that human callers are correctly routed to live agents rather than voicemail.
| Key Stat | Description |
|---|---|
| A high percentage of 'machine_start' calls with durations of just a few seconds indicate misclassification | This indicates that the AMD is misclassifying human callers as machines due to the duration of the call. |
| Misclassified calls are often excluded from standard reporting metrics | This makes the problem appear less severe than it is, as these calls are not included in standard reporting. |
| Adjusting detection thresholds or using DetectMessageEnd mode can improve accuracy | These solutions can help to improve the accuracy of the AMD and reduce the number of misclassified calls. |
In conclusion, understanding and addressing the issue of diallers misidentifying humans as voicemail is crucial for optimising call routing and improving call centre efficiency.
Looking to improve outbound calling efficiency? Talk to our team to discuss your calling workflow and available options.
Internal link suggestion: contact centre and calling guides
