SIP Trunking

Scalable SIP Trunk Connections

Connect your PBX to our global network with unlimited channels, automatic failover, and enterprise-grade security.

  • Unlimited Channels
  • PBX Integration
  • TLS Encryption
  • 99.99% Uptime
60%

Cost Savings

Average savings vs traditional PSTN

5 min

Setup Time

Quick configuration and go live

99.99%

Uptime SLA

Enterprise-grade reliability

24/7

Support

Round-the-clock expert assistance

Enterprise SIP Features

Everything you need to modernize your voice infrastructure.

Unlimited Channels

Scale your voice capacity instantly with no channel limits or hardware.

PBX Integration

Seamless integration with Asterisk, FreePBX, 3CX, and all major PBX systems.

Failover Support

Automatic failover to backup routes ensures business continuity.

TLS Encryption

End-to-end encryption for secure voice communications.

Codec Flexibility

Support for G.711, G.729, Opus, and other popular codecs.

CLI Passthrough

Full caller ID transparency with CLI passthrough support.

Works with Your PBX

AlfaCall SIP trunking integrates seamlessly with all major PBX systems and softphones.

  • Asterisk & FreePBX
  • 3CX Phone System
  • Microsoft Teams
  • Cisco Unified CM
  • Avaya IP Office
  • Any SIP-compliant PBX

Quick Setup

  1. 1Sign up for an AlfaCall account
  2. 2Configure your SIP credentials
  3. 3Add trunk settings to your PBX
  4. 4Test and go live
Get Started