SIP Trunking Interface
Connect Directly to Your Telephony Infrastructure
Integrate VoiceInfra voice agents seamlessly with your existing enterprise PBX, SBC, or contact center using industry-standard SIP protocols.

Key Benefits
Leveraging the SIP Trunking Interface integration provides several advantages:
- Leverage existing telephony hardware and infrastructure.
- Maintain control over call routing and numbering plans.
- Enable voice agents on existing business phone lines.
- Support for standard SIP protocols and codecs (G.711, Opus).
- Option to Bring Your Own Carrier (BYOC).
Setup Steps
Setting up the SIP Trunking Interface integration involves these key steps:
1
Configure Endpoints
Set up SIP endpoints in the VoiceInfra platform and your PBX/SBC.
2
Establish Trunk
Configure the SIP trunk connection between VoiceInfra and your system.
3
Route Numbers
Assign DID numbers to route incoming calls to specific VoiceInfra agents.
4
Test Connectivity
Place test calls inbound and outbound to verify audio and signaling.
Frequently Asked Questions
We support standard SIP protocols (RFC 3261) and common codecs like G.711 (ulaw/alaw) and Opus, ensuring compatibility with most modern PBX, SBC, and contact center platforms.
Yes, by connecting via SIP, you can route your existing Direct Inward Dial (DID) numbers to VoiceInfra agents, allowing them to answer calls on your main business lines.
BYOC allows you to use your preferred telephony carrier for PSTN termination while still leveraging VoiceInfra's AI capabilities. This gives you control over carrier relationships and potentially costs.
Ready to Use the SIP Trunking Interface?
Learn how easily you can connect VoiceInfra using this method.