SIP Trunking with Portaswitch


A UCaaS/Cloud PBX platform for modern communication services to save you time and increase your possibilities.

Are you stuck owning, maintaining, and paying for your own hardware and operators?

If you still use traditional on-premise or legacy solutions for voice or video calling and messaging you may be experiencing…


Discover a better way

Be competitive, be profitable, and still offer quality service to your customers.

Rapidly increase sales

Offer discounts and promotions easily and seamlessly

Excel in reliability

Offer more reliable service with site redundancy and zero downtime during updates

Save time & resources

Optimize daily operations like billing and invoicing with less manpower

Increase profitability

Zero costs for internal calls and reduced outgoing call costs

Exceed customer satisfaction

Provide more options, more customization, and a higher quality of services

What makes PortaSIP a favorite in telecom circles?

Over our 20-plus years we have grown to provide services for some of the biggest telcos in the world, but we have always maintained our our key principles of being fair, honest, and invested in our customers and their success by offering transparent pricing and flexible services.




Easy-to-use, low-code integration platform that can connect the components of your existing technology stack

Scalability for growth

Our platforms can easily scale up by adding more servers to match your project success

Reliability and redundancy

Clustering and geo‑redundancy for high availability configuration and zero downtime updates

Agile development

PortaOne delivers more than 20 software builds per year – new features are available every 7 weeks

24/7 technical support

Our technical support is praised as best-in-industry, with 180 engineers ready to help whenever you need it

Join PortaSIP Trunking now and get access to:

  • Session border controller (SBC) for a high-availability control point for all network communications that keeps the service continually accessible
  • A highly scalable class 4 and 5 SIP softswitch cluster providing call control and media processing functions
  • Integrated billing (BSS) for configuring the service parameters for your customers

How you benefit

Try it and see how easy it is to be both productive and profitable when you switch from maintaining hardware to accessing all the advantages of modern software solutions.

How it works

Replacing multiple phone lines with a single point of entry drastically reduces charges and the IT cost associated with the maintenance of those lines.

Initiate, manage, and end VoIP calling sessions, enabling you to:


How to become a SIP trucking provider


Install PortaSwitch in a private cloud or sign up for PortaSwitch SaaS in a public cloud


We assist with the initial configuration and you define your services, products, and bundles


Provision customers by entering their authorization credentials


Assign the high-availability PortaSwitch SBC IP address as the outgoing SIP proxy

PortaSip Trunking Workflows


Once you are all set up and ready to go, its easy.

Now, your customer has a clear overview of all the configuration settings, CDRs, and invoices. At the end of each month, all applicable fees are assessed, and a PDF invoice is generated and emailed. Finally, the credit card that’s on file is automatically charged.

Additionally, you can increase your revenue by selling to more customers or by signing up white-label providers (resellers and virtual operators) on your PortaSwitch platform.

Supported services


Interested in learning more?

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