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Why Hamilton CapTel for Business over ASR (Automatic Speech Recognition)?
While ASR certainly fills a valuable service in the world of accessibility, it generates about one error in every six words. That’s not accessibility; it’s a barrier. The benefits of Human-Assisted Captioning from Hamilton CapTel for Business offer a dramatic improvement in speed, accuracy and compliance creating truly accessible communications at the enterprise level. Here’s why:
Real-world accuracy
ASR (Automatic Speech Recognition) performs poorly in common environments (background noise, accents, speech impairments), with bottom-tier calls scoring just 82.87% accuracy—1 error in every 6 words. Hamilton CapTel for Business uses trained human Communications Assistants (CAs) to maintain consistent, high-accuracy captioning.
FCC compliance & accessibility
Hamilton CapTel for Business meets Section 225 of the Communications Act and ADA standards for functional equivalence.
Regulatory distinction
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Hamilton CapTel
ASR-only






User preferences
100% of FCC MITRE study participants prefer accuracy over speed, and want access to live CAs.
Independent validation
Hamilton CapTel for Business has achieved 99.8% accuracy for three straight years, per the 2024 Cositics CTS Index—unmatched by ASR-only.
Enterprise-ready
Already supporting Cisco CUCM, Tenacity is ready to extend Hamilton CapTel for Business to Webex Calling, offering secure, compliant, and scalable solutions for enterprise users.
Why Hamilton CapTel for Business over Analog?
If you're currently using or evaluating analog caption phones for employees with hearing loss, take a moment to compare. There are key differences between traditional analog solutions and our fully integrated captioning experience on Cisco phones—delivering greater functionality, reliability, and ease of use.
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Hamilton CapTel for Business
Analog phone












* The caption speed and accuracy may be less than optimal depending on the number of speakers on a conference call and the speed in which they talk.