PBX Extensions & SIP Config

Register your PBX extensions securely. Enter SIP credentials, configure call directions, and connect your phone system to AI agents.

Configure new extensions for your PBX system with SIP registration. Provide your PBX domain, SIP username & password, and set call directions. Advanced settings let you customize proxies, transport protocols, and system names. Whitelist our IP to ensure reliable SIP traffic and start automating calls with AI.

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Key Highlights

What Makes This Feature Special

Discover the powerful capabilities that drive real business results

Extension Details Setup

Create human-readable display names, assign unique extension numbers, and select call directions (inbound/outbound). Keep your phone system organized.

Secure SIP Registration

Connect using your PBX domain, SIP username, and password. Credentials are encrypted and used only for SIP registration with your PBX.

Firewall Whitelisting

Whitelist IP 51.81.221.91 in your PBX firewall. This ensures SIP traffic flows correctly between your PBX and our servers for reliable connectivity.

Advanced SIP Settings

Configure SIP proxies, registration proxies, and transport protocols (TCP/UDP/TLS). Use these for complex PBX environments that require specific routing.

How It Works

Get started with this feature in a few simple steps

Everything you need to transform your voice operations from start to finish

PBX Extension Configuration Form
Step 01

Create & Configure a PBX Extension

Fill in the extension details, SIP credentials, and call direction in one form. Set a display name and extension number, enter your PBX domain, SIP username and password, and choose inbound or outbound. Advanced options let you configure proxies and transport protocols for complex network setups. Whitelist IP 51.81.221.91 in your PBX firewall to ensure SIP traffic flows correctly.

  • Display name, extension number, and call direction
  • PBX domain, SIP username and password
  • Whitelist IP 51.81.221.91 for SIP traffic
  • Advanced proxy and transport settings (TCP/UDP/TLS)
Endless Possibilities
Scale your voice operations without limits
Benefits

Transform Your Business

Discover the measurable impact and advantages that drive real business growth

Register unlimited PBX extensions

Secure SIP credential storage

Flexible call direction configuration

Advanced proxy & transport settings

Firewall whitelisting for security

Human-readable extension names

Digits-only extension numbers

Ready for AI agent assignment after registration

Use Cases

Real-World Applications

Discover how businesses like yours are achieving remarkable results

Call Center Agent Setup

Register extensions for agents, configure inbound/outbound directions, and assign AI assistants for call handling. Scale your call center without adding hardware.

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Remote Worker Connectivity

Set up SIP extensions for remote employees. Connect their softphones to your PBX through our platform and enable AI call answering from anywhere.

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Department-Specific Routing

Create extensions for sales, support, billing, and HR. Route calls to AI agents based on department. Customers reach the right team instantly.

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Multi-Location PBX Management

Register extensions across multiple PBX systems. Centralized management with distributed phone infrastructure. Monitor all extensions from one dashboard.

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Technical Excellence

Technical Specifications

Enterprise-grade infrastructure built for reliability and scale

Secure SIP Auth

Encrypted username & password

Firewall Whitelist

IP 51.81.221.91 required

Advanced Proxies

Custom SIP & registration proxies

Transport Options

TCP, UDP, TLS support

FAQ

Frequently Asked Questions

Find answers to common questions about this feature

PBX domain, SIP username, SIP password, extension number, and display name. Optional: proxy settings, transport protocol, and PBX system name.

You must whitelist IP 51.81.221.91 in your PBX firewall. This allows SIP traffic between your PBX and our servers for reliable call routing and AI agent connectivity.

Yes. Select call direction (inbound, outbound, or both) when creating the extension. AI agents can handle both directions automatically.

Advanced settings let you configure SIP proxies, registration proxies, and transport protocols (TCP/UDP/TLS). Use these if your PBX requires specific routing, NAT traversal, or security configurations.

Yes. Passwords are encrypted at rest and only used for SIP registration. We never expose credentials in logs, dashboards, or API responses.

Yes. Any PBX that supports standard SIP registration (FreePBX, Asterisk, 3CX, Vicidial, Issabel, etc.) works with our platform.

The extension appears in your dashboard. Assign AI agents, configure call routing, set up webhooks, and start handling calls automatically.

Yes. Update display names, SIP credentials, call directions, or advanced settings anytime from your dashboard. Changes apply immediately.

Check your PBX domain, username, and password. Ensure IP 51.81.221.91 is whitelisted in your firewall. Verify transport protocol matches your PBX settings (TCP/UDP/TLS).

No. Register one extension and assign an AI agent to it. The AI handles calls on that extension automatically. You can also route AI calls to human extensions when needed.

Ready to transform your operations?

Schedule a demo to see how our solutions work for your industry.