Connect SIP Trunking to ElevenLabs Conversational AI Voice Agents
Bridge your existing telephony infrastructure with our real-time Conversational AI platform for seamless voice agent deployment
Setup time
10-15mins
Difficulty
Intermediate
Category
Telephony
Type
First Party
Let your AI Voice Agents handle calls through your existing phone infrastructure
- SIP trunking integration enables you to connect your current telephony system directly to ElevenLabs' Conversational AI platform without replacing your phone infrastructure
- Deploy real-time AI voice agents that can handle both inbound and outbound calls through your existing PBX or SIP-enabled network
- Scale voice interactions without scaling headcount while maintaining enterprise-grade security and reliability
- Seamlessly integrate with your current call routing and phone numbers - no hardware changes required
- Perfect for developer-led platforms building conversational layers for customers, employees, or users
Features
Integrations features
Powerful capabilities for developer-focused AI agent platforms prioritizing low latency, control, and seamless integration
- Direct Infrastructure Integration
- Connect your existing PBX or SIP phone system directly to ElevenLabs' voice AI platform
- No need for separate hardware or complex call routing modifications
- Preserve your established call flows, phone numbers, and network configuration
- Developer-friendly API integration with standard SIP protocols your telephony team already understands
- Real-Time Bidirectional Calling
- Handle both inbound customer calls and outbound AI-initiated calls intelligently
- Ultra-low latency performance optimized for real-time voice interactions
- Automatic call routing to AI agents without infrastructure changes
- Seamless call transfers between AI agents and human representatives when needed
- Enterprise-Grade Security & Compliance
- Encrypted TLS transport for all call signaling and setup messages
- SRTP media encryption for secure voice content transmission
- Robust authentication via credentials or IP allowlist (ACL) configurations
- HIPAA-eligible deployment options with Business Associate Agreement support
- Advanced AI Voice Capabilities
- Industry-leading text-to-speech with ultra-realistic voice generation
- Integrated speech recognition and natural language understanding
- Context-aware conversations with interruption handling
- Function calling capabilities for backend system integration
- Developer-Centric Configuration
- Straightforward SIP trunk registration through ElevenLabs dashboard
- RESTful APIs for programmatic agent and trunk management
- Comprehensive webhook support for call events and analytics
- Flexible voice selection including voice cloning capabilities
Installation
Installation guides
Quick deployment guide for connecting your telephony infrastructure to ElevenLabs AI platform
- SIP Trunk Registration
- Access ElevenLabs dashboard and navigate to Phone Numbers section
- Register your SIP trunk details (SIP URI, authentication credentials)
- Configure origination and termination endpoints
- Assign trunk to specific AI agents or phone numbers
- Authentication Setup
- Configure digest authentication with username/password credentials.
- Static IP SIP is available on request for IP whitelisting, please contact sales if this is required.
- Call Routing Configuration
- Define inbound call handling rules for AI agent assignment
- Set up outbound calling parameters and caller ID settings
- Configure failover and redundancy options if available
Troubleshooting
Troubleshooting & support
Common configuration issues and solutions for SIP trunking integration
