White-label CPaaS Platform with PortaSwitch
Bundle CPaaS with your hosted PBX service, giving your customers the independence to customize call processing flows, implement integrations with external systems, and build mobile apps.
What is a CPaaS Platform?
A CPaaS platform (Communications Platform as a Service) is a powerful tool that allows your customers to add real-time communication features to their own business applications.
They can fully customize their communication stack by mixing and matching the functionalities that work best for them:
- Video-enabled help desks
- Appointment reminders
- Authentication services
- Call recording
- Social media messages
- SMS / text message
- Workflow
- Video messaging
- WebRTC-based calling

Tatyana Massalskaya
PortaOne Head of Marketing
With PortaSwitch you, as a CSP, can become a provider of CPaaS directly to your customers. Whether to enterprise customers, who are creating a solution for internal use, or to independent software developers (ISVs), who are creating a SaaS product or mobile app.
What problems do CSPs & ISPs face?
If you’re a CSP offering traditional telephony services, are you faced with these issues?
Lack of diversity in monetization
Struggling to find new streams of income and services that customers are willing to pay for.
Loss of customers
from churn to competitor CSPs and ‘new kids on the block’ like MS Teams, Twilio or Amazon Connect.
Rigidity in current PBX
Inflexible ‘hard-coded’ call handling scenarios in existing PBX platforms and UCaaS platforms.
Less than ideal outcomes
Your custom enterprise solutions will be either impossible OR expensive and time-consuming.
Discover a better way
Expand services and increase revenue by leveraging the power of a robust hosted PBX platform, PortaSwitch, including access to APIs to increase customers’ communication and productivity.
No hustle
Offer customers an out-of-the-box cloud PBX starting on day one. Let advanced users go further with tailored scenarios using the open API when needed.
Low cost
of calls/messaging with advanced carrier management and routing capabilities (least-cost routing, profit-guarantee, fraud prevention)
Easy to fine-tune
Provide a flexible, powerful CPaaS platform that supports voice, video, messaging, and more.
Fully brandable
Allow channel partners to design branded, customized solutions for niche markets with integration packages.
What's in it for you?
Experience increased efficiency by doing more with less – less complexity, less vendors, and less hassle.
Enjoy higher profit margins
with unlimited license, simply upgrade to a more powerful hardware to process more API requests, calls and subscribers
Boost sales productivity
you and channel partners can scale sales by turning an app developer into your channel partner. One deal can multiple itself tenfold.
Increase customer base
by offering the flexibility and scalability customers are demanding and products they can get excited about.
Reduce costs
by “outsourcing” implementation of custom scenarios to customer or 3rd party developers
Why choose PortaOne?
PortaOne has been an industry leading telco platform provider for 20+ years, offering our customers the ability to develop, scale, and monetize all within budget, plus
Short go-to-market time
Agile development ensures the release of new software updates every 7 weeks.
Fair pricing
Choose from an unlimited perpetual license or simple, value-based SaaS metric. All features, maintenance & support included.
Open architecture
No constraints. Get the API and full source code so you can develop, integrate, and control your growth.
24/7 technical support
Our technical support is praised as best-in-industry, with 180 engineers ready to help whenever you need them.
How does it work?
Capitalize on the power of PortaSwitch to easily create customized CPaaS functionalities and monetize them with as little work on your side as possible. Check out how the technology already built-into our CPaaS solution is enabling this:
Building on top of a full-featured PBX system
gives your developers a solid structure to create customized CPaaS functionalities without starting from scratch. Developers can easily connect via CPaaS API to control the flows of PBX services and program applications
Powerful routing engine
can program connections to your choice of carriers and enable advanced carrier management, such as least-cost routing, out of the box.
Billing functionality
also out of the box, ensures that an ISV (independent software vendor), creating an app using your CPaaS, can immediately start charging and monetizing the service and usage of their app without additional work.
Integrated BSS Platform
PortaSwitch offers a comprehensive BSS (Business Support System) platform that goes beyond billing. ISVs can take advantage of centralized customer management, automated service provisioning, and flexible product configuration — all within a single environment. This unified approach streamlines operations, supports rapid scaling, and ensures efficient management of every aspect of your CPaaS offering.
Features
Documentation Portal
Comprehensive guides to help you start working with the PortaSwitch API for CPaaS platform solutions
Open Source Code
Reduce your development and integration costs and speed up the process by developing in-house
APIs
Implement integrations seamlessly with external systems and build mobile apps with flexible, effective communication abilities
Monetization
Built-in authorization and charging capabilities allow ISV using your CPaaS to instantly bill end-users and monetize their work
VAS Integration
With Add-on Mart (cloud marketplace for telco apps), create and quickly launch product bundles with valuable service packages developed by 3rd parties
Local Hosting Capabilities
Improve voice quality and satisfy regulations with local region or country by hosting locally
Build on top
Take advantage of our existing full-featured hosted PBX / UCaaS, and extend it by bundling with our CPaaS platform
What makes our PortaOne solutions special?
Act fast!
Customers are demanding more flexibility, custom solutions and FAST. Current UCaaS solutions don’t cut it.
The CPaaS market is expected to increase by 300% in the next 5 years with values as high as $17 billion.
White-label CPaaS Platform FAQ
A white-label CPaaS (Communications Platform as a Service) lets you bundle programmable communications with your hosted PBX services — all under your brand. PortaSwitch makes this straightforward by giving enterprises and ISVs the tools to customize communication workflows, integrate with existing systems, and build mobile apps without starting from scratch.
Built for three key audiences:
- CSPs — add programmable communications to your service portfolio
- Enterprise customers — build custom communication workflows for your business
- ISVs — create SaaS products or mobile apps with built-in communications
Use it internally or monetize it as your own service. Your choice.
PortaSwitch eliminates the challenges that hurt your bottom line:
- Limited revenue growth — rigid systems that can’t adapt to new opportunities
- Customer churn — losing business to Microsoft Teams, Twilio, Amazon Connect
- High customization costs — expensive modifications that eat into margins
Launch fast with a platform that scales smoothly as your needs evolve.
Everything you need to compete in the CPaaS market:
- Quick launch — cloud PBX works out-of-the-box, add API customization when ready
- Lower costs — built-in advanced routing with least-cost routing, profit guarantee, fraud prevention
- Built-in flexibility — voice, video, messaging, and more in one platform
- Complete white-labeling — your brand, your market positioning
Over 20 years building software that works:
- Fast innovation — updates every 7 weeks without downtime
- Transparent pricing — choose unlimited perpetual licensing or value-based SaaS
- Open architecture — full API and source code access, no vendor lock-in
- Expert support — 24/7 assistance from 180+ telecom engineers
Launch fast. Scale smoothly. Stay in control.
Built on carrier-grade foundations that grow with you:
- Proven PBX core — developers add CPaaS functionality via comprehensive APIs
- Advanced routing — carrier management and call optimization built-in
- Real-time billing — ISVs can monetize usage immediately
- Unified BSS — customer management, provisioning, and product configuration in one platform
Everything you need to build and scale CPaaS services — without the usual telecom complexity.
Built-in flexibility means you can tailor PortaSwitch for any vertical — healthcare, finance, logistics, or retail. Create industry-specific communication workflows, integrate with vertical software, and brand everything to match your market positioning.
Basic CPaaS services can go live in 4-6 weeks with PortaSwitch’s pre-built components. Voice calling, messaging, and basic APIs work out of the box. Custom integrations and advanced features add 2-4 weeks, depending on complexity. The platform scales smoothly — start with standard features, add customizations as your business grows without rebuilding everything.