SIP Trunking Solutions

Connect Your PBX System with Our Modern, Reliable SIP Trunking Service

Service Overview

Carolina Digital Phone offers SIP Trunking service, enabling businesses to make and receive voice calls over the Internet using their own PBX systems.

Service Exclusions

  • NO PBX installation or management
  • NO End-user training
  • NO Analog line backup
  • NO On-site support or hardware installation
  • NO Voicemail, call forward, or other Class 5 telephony features

Service Includes

  • Inbound and outbound calling via SIP
  • Direct Inward Dialing (DID) number provisioning
  • Caller ID presentation
  • E911 support (where applicable)


Customer Responsibilities

The Customer is solely responsible for:

Providing and maintaining their own PBX system and LAN infrastructure

Ensuring sufficient internet bandwidth and network stability for voice traffic

Properly securing their PBX to prevent toll fraud and unauthorized access

Compliance with applicable federal, state, and local laws and telecommunications regulations

Payment of all applicable taxes, fees, and surcharges (including regulatory fees)

Porting of phone numbers prior to service termination, if desired

Support & Service Levels

Online Documentation

Access comprehensive provisioning guides and resources

Technical Support

Email/ticket-based technical support during business hours

Premium Support

Optional 24/7 emergency support with a premium SLA (additional charges may apply)

Important Note: We do our best to keep your service running smoothly, but we can’t guarantee 100% uptime. We’re not responsible for service interruptions caused by internet outages, PBX setup issues, or events beyond our control (like natural disasters).

Why Choose Our SIP Trunking Solution?

Over 20 Years Of Service
Our Customers Love Us!

Cost-effective alternative to traditional phone lines

Scalable solution that grows with your business

High-quality voice communications

Simplified management through online portal

Local support from Carolina Digital Phone experts