Chat and voice interfaces people actually want to use
Most people have talked to a bad chatbot, the kind that only understands three exact phrases and apologizes its way through everything else. That experience is a product decision, not an inherent limit of the technology, and it is usually the result of building a decision tree instead of an actual conversation system.
Why decision-tree bots feel broken
A decision tree needs the user to phrase things the way the tree expects. Real people do not do that: they ask half a question, change their mind mid-sentence, or ask something the tree's author never anticipated. The bot's only response to anything outside the script is to fail, which is why so many chatbots feel like a maze instead of a conversation.
An LLM-based agent handles the phrasing variation naturally. The engineering work shifts from anticipating every possible input to making sure the agent's responses stay accurate, on-brand and grounded in your actual business logic instead of confidently improvising.
Where voice adds its own constraints
Voice agents inherit everything a chat agent needs plus latency and interruption handling. A response that takes four seconds feels broken on a call in a way it does not in chat, and a caller who talks over the agent needs to be handled gracefully instead of ignored. We build for both from the start: response times tuned for a live conversation and interruption handling that does not lose the thread.
Accents, background noise and mixed-language speech are also a real part of production voice, not an edge case. We test against how people actually speak, not a clean studio recording.
Knowing when to hand off to a human
Not every conversation should stay with the agent. A frustrated customer, a request outside what the agent is scoped to handle, or a high-value decision are all cases where handoff to a human is the right design, not a failure of the AI. We build that detection in explicitly, with the full conversation context passed along so the human is not starting from zero.

