Professional VoIP PBX Solutions & Business Phone Systems

Transform your business communications with enterprise-grade VoIP PBX solutions. From cloud-based systems to on-premise installations, we provide comprehensive phone system solutions with DID numbers, eFax services, SIP trunks, and AI integration for businesses of all sizes.


Cloud & On-Premise PBX

SIP Trunk Integration

eFax Solutions

AI Integration
Get Project Quote
Project-Based Service

VoIP PBX solutions are quoted based on project complexity and expertise requirements. Contact our engineering team at projects@koaditech.com for detailed consultation and cost assessment.

Complete VoIP PBX Service Portfolio

End-to-end business communication solutions with industry-leading technology partners

Cloud IP PBX Systems

Scalable cloud-based PBX solutions with enterprise features, automatic updates, and 99.9% uptime SLA.

Key Features:
  • Auto-attendant and call routing
  • Voicemail-to-email integration
  • Conference calling and video meetings
  • Mobile app integration
  • Call analytics and reporting
  • Disaster recovery built-in
Supported Platforms:
3CX Cloud Grandstream UCM Cisco Webex Calling

On-Premise IP PBX

Dedicated on-site PBX systems for complete control, customization, and enhanced security compliance.

Key Features:
  • Complete data control and privacy
  • Custom feature development
  • Integration with legacy systems
  • Advanced security protocols
  • Unlimited concurrent calls
  • No monthly recurring fees
Supported Systems:
Cisco CUCM Grandstream UCM 3CX On-Premise Avaya IP Office

Advanced Communication Services

Comprehensive solutions for modern business communication needs

DID Phone Numbers

Direct Inward Dialing numbers for professional business presence with local, toll-free, and vanity number options.

  • Local area code numbers nationwide
  • Toll-free 800/888/877 numbers
  • Vanity and memorable numbers
  • Number porting from existing carriers
  • Instant provisioning available

eFax Solutions

Modernize your fax communications with secure electronic fax services integrated with email and cloud storage.

  • Email-to-fax and fax-to-email
  • Cloud fax storage and management
  • HIPAA compliant secure transmission
  • Multiple fax number support
  • API integration capabilities

SIP Trunk Services

High-quality SIP trunking services for connecting existing PBX systems to VoIP networks with superior call quality.

  • Unlimited concurrent channels
  • 99.9% uptime guarantee
  • Crystal clear HD voice quality
  • Failover and redundancy options
  • Integration with existing PBX systems

POTS Line Replacement & Legacy System Integration

Seamlessly replace traditional POTS (Plain Old Telephone Service) lines while maintaining compatibility with critical equipment.

Perfect for:
Elevator Systems
Emergency communication
Fax Machines
Traditional fax equipment
Security Systems
Alarm monitoring
POS Systems
Credit card processing
POTS Replacement Benefits
  • Cost Savings: Reduce monthly line costs by up to 70%
  • Easy Installation: Plug-and-play replacement devices
  • Seamless Operation: Equipment works exactly as before
  • Enhanced Features: Call logging and monitoring capabilities
  • Professional Support: Expert installation and ongoing maintenance

AI-Powered PBX Integration

Transform your business communications with intelligent automation and AI-driven features.

AI Features Available:

Voice Recognition

Intelligent call routing based on spoken commands

Real-time Translation

Automatic language translation for international calls

Smart Analytics

AI-powered call analysis and business insights

Virtual Assistant

AI receptionist for call handling and scheduling

Complete Phone System Procurement

We source and provide all necessary hardware for your VoIP PBX implementation

IP Phones

Desktop, wireless, and conference phones from leading manufacturers

Cisco, Yealink, Grandstream, Poly
PBX Hardware

Server hardware and appliances for on-premise installations

Dell, HP, Cisco UCS, Custom Builds
Network Equipment

Switches, routers, and network infrastructure for VoIP optimization

Cisco, Ubiquiti, Juniper, Aruba
Accessories

Headsets, adapters, and peripheral devices for complete solutions

Jabra, Plantronics, Logitech

Ready to Transform Your Business Communications?

Get a custom quote for your VoIP PBX project. Our engineering team will assess your requirements and provide a detailed implementation plan with cost breakdown.

All VoIP PBX projects include detailed consultation, custom design, professional installation, training, and ongoing support.