Sub-second response times matter
Prospects forgive an AI voice if the conversation flows. Above 800ms gap, trust collapses. CallForge targets sub-500ms end-to-end for UK deployments.
Interruption handling — letting callers talk over the agent — is now table stakes. Without it, calls feel like IVR menus.
Brand-safe voices
Teams clone tone, not celebrity voices. Warm, professional, regional accents outperform generic 'assistant' personas in B2B.
Test with your ICP. A financial adviser audience expects different pacing than a trades lead list.