Sip Trunking

SIP Trunking Service - Business SIP Trunk Provider

SIP (Session Initiation Protocol) trunking is a way for business to connect their phone system to the outside world using an Internet connection instead of a traditional phone line. Whether you're starting a business or looking for ways to optimize your current one, Blusonic VoIP Sip Trunk is here to help.

Have a specialist reach out to you for more information on SIP Trunking services in your area.

How Does SIP Trunking Work?

SIP trunking integrates with VoIP phone systems making it an attractive solution for SMB that already use a VoIP.


A SIP “trunk” is installed virtually over your business’s existing Internet connection, reducing the need for multiple analog phone lines, decreasing the cost of maintenance. A business owner might prefer to retain standard lines for faxes and alarms.

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SIP Trunking In A VoIP Business Phone System

Benefits of SIP Trunking

Lower Call Charges

Choosing the right SIP Trunk provider is crucial as competition has driven down call charges significantly. Some SIP Trunks even help you save on international call charges, and offer unlimited calling which can help you cut costs and get an edge over your competitors.

Phone Number Portability

SIP Trunks are not set to a specific location, making it seamless and easy to move offices without having to inform your customers of the move. This will also eliminate the need to forward your calls to your new office since the contact information remains the same.

Flexible & Scalable Phone System

Easily add channels to your existing phone system which can help you scale faster and keep the same reliability. Add channels during peak times of the year such as holiday expansion or sales events, then simply scale back your lines for the rest of the year. Giving you great flexibility.

Leverage Modern PBX & Eliminate VoIP Gateways

Connecting a PBX to SIP Trunks is much easy. You can choose between on-premise or hosted. No extra conversion often means better quality and Modern IP PBX / Unified Communications solutions will give customers increased productivity, boosting your sales.

A better way to Interact with your customers

Save Money Using SIP Trunk

SIP trunking uses a pay as you go model which reduces wasted resources cutting communication costs. Unlike traditional PRI's and T1's which are static.

Reliable Phone System for SMB

SIP trunking with VoIP provides better reliability and redundancy. When system failures and emergencies occur, SIP trunking forwards calls to mobile lines keeping you up and running.

Scale Your Business With SIP Trunking

SIP trunking uses a virtual connection, adding lines or modifying service is easy. Add new lines or remove them quickly, allowing you to scale forward or back with ease.

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SIP Trunking vs PRI

The term Primary Rate Interface (PRI) is an industry term that gets thrown around a lot while you are shopping. It's not uncommon to compare PRI to SIP trunking, and understanding the differences between SIP trunking and PRI is crucial towards making a buying decision.


PRI and SIP trunking are different ways of connecting your phone system to the outside world. Basically, PRI uses older technology dedicated to making calls, while SIP Trunking uses your internet connection.

SIP Trunk Provider

Pros of SIP Trunking

  • Typically more cost-effective
  • Easy to Modify and Scale Services
  • Virtual connections, no hardware needed

Cons of SIP Trunking

  • Quality of Service depends on your internet connection, and might introduce lag and jitters due to lack of bandwidth.
  • Will not work natively with older phones

Pros of PRI

  • Guaranteed Quality of Service
  • Can use older devices that are not compatible with VoIP

Cons of PRI

  • Higher cost than SIP due to the hardware
  • Physical connection implies adding new lines manually every time you need new devices.
  • Requires IT staff maintenance

Find Out More About How SIP Trunk Solution Can Help You

VoIP SIP Trunk - Sip Trunking Vs VoIP

VoIP and SIP Trunking use the same internet connection to connect business phone systems taking advantage of shared lines allowing more flexibility in communications. Integrate your current VoIP seamlessly since most companies already use them in their phone system configuration. Traditional phones that are not IP capable can be connected using gateways to take advantage of SIP Trunking and cost benefits associated with them.


VoIP phone systems can be enabled using SIP protocol and while they seem like different services they actually compliment each other. Helping you run your Business phone system over your internet connection and internal data network efficiently and most importantly reliably.


Check out our VoIP Basics page to learn more about how VoIP works and the benefits to your business.

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