Massive Jitter and LLM Streaming Failing more often + increased perceived latency

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Hello @kruss6867

  • call_b4d92a48936d37a5427938c8b06 — last turn 5186ms e2e
    Not jitter. Component timings on that turn are clean: LLM TTFT 550ms, LLM total 673ms, TTS first-byte 231ms, ASR 168ms → sum ≈ ~1.0s. The remaining ~4s is endpointing/VAD silence wait, not model/TTS/network. The caller trailed off with “Which is” at 45.7s and the agent didn’t commit the turn until 51.0s because VAD was waiting for the sentence to finish. Dashboard “Estimated Latency” doesn’t include this wait, which is why LLM/TTS look fine but e2e is long.
    Your agent (v254) has interruptionSensitivity: 0.7 and no explicit responsiveness set — raising responsiveness will shorten that silence gate. That’s the fix for this specific call, not TTS/LLM.

  • call_a3b085e6ca755dfb5c1671099ef — audio glitching
    This one IS a media-path issue — the caller himself says at ~63s “the audio packets are being lost… around 20–30 seconds it started to get really glitchy, I can only hear every third word.” That’s a downstream audio degradation, not endpointing. Voice provider was platform (retell-Marissa) on Telnyx. to move on this we need the PCAP + Telnyx-side leg metrics for that call.

Thank You