SIP Trunking

Seamless SIP Trunking for Your Existing PBX

Telza SIP Trunking connects your on-premise phone system to the cloud, providing scalable voice channels, HD call quality, and robust security—without replacing your hardware.

Upgrade your legacy PBX without the hassle. Telza SIP Trunking delivers elastic SIP channels over the internet, replacing expensive PRI lines with flexible, pay-as-you-go connectivity. Integrate effortlessly with Asterisk, FreePBX, Cisco, Avaya, or any SIP-compatible system for unlimited concurrent calls and global reach.

Enjoy carrier-grade reliability with redundant routes, automatic failover, and 99.99% uptime. Advanced fraud prevention, TLS/SRTP encryption, and real-time monitoring protect your communications. Scale channels instantly during peak hours—no hardware changes required.

Our intuitive portal provides full control: manage DIDs, set inbound/outbound rules, view CDRs, and generate reports. Supports G.711, G.729, and Opus codecs for optimal quality and bandwidth efficiency. Free number porting and competitive per-minute rates reduce costs by up to 80%.

Ideal for enterprises with existing infrastructure. Telza SIP Trunking offers API access for automation, CLI manipulation, and integration with billing systems. With 24/7 expert support and proactive alerts, focus on your business while we handle the telephony backbone.

Easy PBX Integration

Quick setup with any SIP-enabled system—no downtime.

HD Call Quality

Premium routes with low latency and jitter control.

Advanced Security

Fraud detection, encryption, and compliance features.

SIP Trunking Dashboard

Robust SIP Trunking Features

  • Elastic SIP Channels with Auto-Scaling
  • Support for All Major Codecs & Protocols
  • Inbound/Outbound Call Routing & Failover
  • Real-Time CDR, Analytics, and Billing Reports
  • CLI Presentation & Manipulation
  • Disaster Recovery with Geo-Redundancy
  • API for Custom Integrations & Automation
  • Fraud Monitoring & Blocking
  • Free Local & Toll-Free Number Porting
  • 24/7 Monitoring & Dedicated Support
Explore All Features
Package

Pick a Pricing Plan for SIP Trunking

Basic

$50

  • 25 Agents/SIPs Included
  • Standard Support (Email & Chat)
  • CLI Routes Enabled
  • Real-Time Call Dashboard
  • Monthly Usage Reports
  • Basic Analytics & Monitoring
  • Custom Integrations
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Business

$120

  • 50 Agents/SIPs Included
  • 24/7 Priority Support
  • Premium Routes & Quality Calls
  • Detailed Analytics Dashboard
  • API & CRM Integration
  • Call Recording & Reports
  • Role-Based User Access
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Enterprise

Custom Quote

  • Unlimited Agents/SIPs
  • Dedicated Account Manager
  • Customized Routing & Setup
  • Advanced Security & Encryption
  • 99.99% Uptime SLA Guarantee
  • Multi-Region Data Centers
  • Onboarding & Team Training
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Ready to Modernize Your PBX?

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SIP Trunking FAQs

SIP Trunking replaces physical phone lines with virtual connections over the internet, linking your PBX to the PSTN via SIP protocol.
Provide your PBX IP, and we configure the trunk. Most setups complete in under an hour with our guides.
All SIP-compliant: Asterisk, FreePBX, 3CX, Cisco, Avaya, and more.
Yes, with E911 registration and dynamic location updates.
Pay-per-channel or metered usage. No contracts, volume discounts available.
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