Connect Telnyx to ElevenLabs Conversational AI Voice Agents
Unite enterprise-grade SIP trunking with ElevenLabs Conversational AI Voice Agents to scale voice interactions without scaling headcount
Let your AI Agents handle phone calls with enterprise-grade reliability
Transform your voice AI platform with Telnyx's carrier-grade SIP trunking infrastructure. This integration empowers your AI agents to handle both inbound and outbound calls with ultra-low latency, global reach, and enterprise security - all while maintaining the natural, human-like conversations your users expect.
Perfect for developer-led platforms building real-time AI agents, this integration eliminates the complexity of telecom infrastructure while delivering the control and reliability your applications demand. Your existing Telnyx phone numbers and global network seamlessly connect with ElevenLabs' advanced AI voices, enabling always-on, intelligent voice agents that handle calls instantly.
Key advantages for AI agent platforms:
- Zero infrastructure overhead - Leverage existing Telnyx numbers without disrupting your setup
- Developer-friendly integration - Clean APIs and straightforward configuration in minutes
- Global scale out-of-the-box - Reach customers worldwide with consistent call quality
- Enterprise-grade reliability - Built on carrier-grade infrastructure with proven uptime
Features
Integrations features
Empower your AI agents with enterprise telephony capabilities
Seamless Bidirectional Call Handling
- Inbound call automation: AI agents instantly answer calls to your Telnyx numbers
- Outbound call initiation: Agents can place calls through your existing trunk infrastructure
- Real-time call routing: Intelligent routing based on your agent logic and business rules
- Benefits: Scale voice interactions without adding human agents, maintain full control over call flows
Ultra-Low Latency Performance
- Optimized voice processing: Real-time speech-to-text and text-to-speech with minimal delay
- Telecom-grade routing: Direct SIP trunking with ~150ms call setup times
- Global network optimization: Strategically distributed infrastructure minimizes latency worldwide
- Benefits: Natural, responsive conversations that feel human-like to your users
Enterprise Security & Authentication
- Multiple authentication methods: Digest authentication and IP-based access control
- End-to-end encryption: TLS for SIP signaling and SRTP for audio transmission
- Compliance ready: GDPR, HIPAA, and SOC 2 compliant infrastructure
- Benefits: Secure voice data transmission meeting enterprise security requirements
Global Scale & Multilingual Support
- Worldwide coverage: Telnyx's network spans 140+ countries with local presence
- Multi-language AI voices: Support for 31+ languages across ElevenLabs' voice library
- Consistent call quality: Crystal-clear voice transmission regardless of geographic location
- Benefits: Deploy voice agents globally without quality degradation or complex routing
Developer-Centric Integration
- API-first architecture: Programmatic control over trunk configuration and call management
- Plug-and-play setup: Pre-configured integration requiring minimal technical expertise
- Existing number preservation: Use current Telnyx numbers without porting or changes
- Benefits: Rapid deployment with full programmatic control for advanced customization
Installation
Installation guides
Get your AI agents connected to enterprise telephony in minutes
Step 1: Telnyx SIP Trunk Setup
- Access Telnyx Mission Control Portal
- Navigate to Voice → SIP Trunking
- Create new SIP connection with FQDN type
- Configure digest authentication (Static SIP support is available on request for IP whitelisting)
- Set origination URI to: sip.rtc.elevenlabs.io
- Assign your phone numbers to the trunk
Step 2: ElevenLabs Integration Configuration
- Navigate to Phone Numbers section in ElevenLabs dashboard
- Click Import a phone number from SIP trunk
- Add your Telnyx number in E.164 format
- Enter termination hostname from Telnyx connection details
- Add Telnyx authentication credentials if using digest
- Select your AI agent for the phone number
Step 3: Testing & Validation
- Test inbound calls to verify AI agent response
- Test outbound calls from AI agent
- Verify call quality and latency
- Confirm authentication and security settings
Troubleshooting
Troubleshooting & support
Common integration issues and developer resources