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Telephony lets your voice agents receive and make phone calls. Lyzr supports three carriers: Twilio, Telnyx, and Plivo.

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Supported carriers

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Connecting a carrier

  1. Open Voice in the sidebar, then select the Telephony tab
  2. Select your carrier
  3. Enter credentials (Account SID + Auth Token for Twilio; similar for Telnyx and Plivo)
  4. Purchase or import a phone number
  5. Assign the number to a voice agent

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Inbound vs. outbound

With inbound calling, users call your phone number and the call routes to your voice agent. With outbound calling, your agent initiates calls to users, for example appointment reminders, proactive outreach, or campaign follow-ups.

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Analytics

All calls are logged with duration, transcript, message count, recording, and close reason. View call analytics in the Transcripts tab under Voice.

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Full voice agent reference

See Voice Agents overview for engine configuration (Realtime vs. Pipeline), latency trade-offs, and transcript analysis.