Edited By
Sofia Zhang

A growing frustration has emerged among developers and users of voice agents over the unsolved problem of call drops and failures. Despite claims of 99.9% accuracy, complaints about 15% of calls derailing or dropping are common, leaving many puzzled about the underlying causes.
Users have pointed out that the real issue isnโt about enhancing models but a glaring lack of observability in the current systems. As one source noted, โVoice AI today feels like backend engineering before Datadog existed.โ Without transparency, debugging becomes nearly impossible.
Many developers lament the guardrails built into AI systems. Instead of protecting users, they often hide failures, resulting in unexpected silent failures or mid-call stalls. For example, one healthcare client's AI abruptly stopped providing appointment information after misinterpreting safety regulations. The logs appeared clean, but the call results were anything but.
In response to these challenges, a new approach has emerged. The team behind Rapida has developed comprehensive per-call observability tools. This includes:
Guardrail activation tracing
Safety refusal logging
Timing and latency metrics for each component
Granular audio breakdowns from ASR to telephony
Telemetry for every decision made by the voice agent
One developer stated, โWith this observability, it's possible to debug voice agents like backend systems.โ
The feedback from various voices in the community shows a strong desire for solutions that provide deeper insights into AI decision-making. As one commenter expressed, "The per-call observability is exactly whatโs missing. We've been building these complex voice pipelines with zero visibility.โ Another shared, โSilent model refusals are killers. They look like successes but wreck the experience.โ
๐ 15% of voice calls are reported to derail or drop randomly, raising significant concerns.
๐ Users criticize existing guardrails for masking failures, complicating debugging.
๐ก New solutions like Rapida focus on enhancing visibility and observability in voice AI.
As developers push for progress, the industry remains at a crossroads, needing effective tools to boost reliability and trust in AI technologies. Watch for updates as solutions evolve.
As the demand for reliable voice AI systems grows, there's a strong chance weโll see more companies adopt observability tools similar to Rapida. Experts estimate around 70% of developers will prioritize transparency in AI decision-making processes over the next few years. This shift is likely driven by the ongoing frustrations among users regarding call drops and hidden failures. Moreover, as businesses emphasize customer experience, those that integrate better monitoring solutions could gain a competitive edge, potentially leading to wider acceptance and trust in voice technologies.
This situation resembles the evolution of telecommunications in the early 2000s when mobile networks faced significant call drop rates due to inadequate infrastructure. Back then, providers who adapted by investing in better network monitoring and infrastructure were the ones who flourished. As is often the case, transformative change springs from the necessity to solve evident flaws. Just as that era marked a turning point for voice reliability in mobile communications, the current challenges in voice AI may spur a similar revolution, pushing the industry into a new age of enhanced visibility and resilience.