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Based On FreeSWITCH

#1 Open Source
VoIP Billing Solution

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ASTPP is renowned as the #1 open source VoIP Billing Solution based on FreeSWITCH. It is developed to meet the needs of wholesale, retail, and other VoIP service providers. For several years, it has been bringing transformational changes in the VoIP industry with its innovative features and exceptional performance.

ASTPP makes it possible to embark on an entrepreneurial journey without stressing about capital investment as it is available for free. It is one of the best carrier grade solutions for service providers.

ASTPP is regarded as the top smart telephony platform due to the wide range of VoIP solutions it has to offer. Class 4 Softswitch, class 5 Softswitch, calling card platform, multi tenant IP PBX system, VoIP billing solution, mobile SIP dialer, PC dialer, etc. are some major carrier grade solutions for service providers that can help them build handsome revenue generating opportunities. These solutions can also be used to enhance business performance and meet end to end business communication needs in any company.


What We Offer

class 4 solfswitch

Organize your customers, resellers and providers efficiently and effectively.

Create & manage different rate plans for your customers and resellers.

Handle origination and termination rates independently. Gain revenue with least cost routing and cost based routing.

Manage invoices & receipts for prepaid/postpaid accounts. Recurring subscriptions and Tax management.

Recharge or top-up your account with your preferred payment processing method in real time with ASTPP payment gateways.

An extensive range of reports available in real time and historic view. Summary and advance reports with important metrics provide consolidated data.

Our Client Testimonial




Countries Serving


Growing & Serving

Value Added Features

The latest version of ASTPP is provisioned with competitive modules, furnished with a wide array of features,
specifically developed to skyrocket your VoIP business.

Advanced Call Routing

All Routing rules available to let you leverage the power of advanced call routing strategies: Lossless, CLI & Non-CLI, Priority based, LCR and many more.

Multi Tenant IP PBX

Empower your business with unified communication features available in integrated comprehensive IP PBX solution with tenant support.

Calling Card

Competent solution for calling card business with administrative and operational features to manage retail and wholesale business.
DID Management

DID Management

All inclusive DID solution to manage, allocate, route, and bill DID numbers for all scaled and sized DID service providers.

SIP Trunking

Enjoy benefits of Zero per minute cost and bill per trunk by connecting multiple locations to the hub station / central system.

Personalized Solution

Add your brand elements in modules, invoices, bills and more. 100% white-label and personalized solution.
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What Customers Say


Key Benefits

Completely Free with Lifetime license
White-label, Customizable and Personalized
Quick to Start
Quick to start
Integrated PBX, Class 4/5 switch & other solutions
Automations of billing and other operations
Save time and resources
Increase Productivity
In-time Support from professionals and community
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Let’s Build Your Business Together

Empowering Communication, Unleashing Growth: ASTPP, where innovation meets success, powering 20,000 businesses worldwide!