AI Briefing
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SIP Upgrade for ElevenLabs Agents

·2026.04.10 14:58

Key point

ElevenLabs has upgraded its SIP integration feature to enable building reliable, security-enhanced AI agents that connect with existing telephone networks.

Details

ElevenLabs has upgraded its SIP Integration feature, making it possible to launch reliable, security-enhanced AI agents while keeping existing phone numbers, routing logic, and infrastructure intact.

Users can connect agents to VoIP providers such as Twilio and Telnyx, PBX systems such as Exotel, or self-hosted SIP servers, without needing to rebuild their systems separately.

Key features and benefits include the following.

  • Seamless human handoff: When an AI agent encounters a request it cannot resolve, it can immediately connect the customer to a real agent within the existing phone network while preserving the call context, so customers don't need to re-explain their situation.
  • Leveraging existing infrastructure: There's no need to change existing routing, compliance, or monitoring setups, improving operational efficiency.
  • Enterprise-grade security: Supports end-to-end encryption and provides fixed IPs for compliance purposes, ensuring stable performance even at large scale.

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