ASTPP
Ahmedabad, Gujarat, India
What it is
ASTPP is an open-source VoIP billing and management platform for telecom businesses. It combines Class 4 and Class 5 softswitch capabilities with IP PBX and Session Border Controller functions. Billing includes real-time prepaid charging, postpaid invoicing, reseller billing, and configurable billing cycles, while routing can use cost, priority, percentage, time, or quality criteria. Teams can manage DID purchase, assignment, configuration, billing, and release. REST APIs cover account management, call detail records, rates, and DIDs; listed integrations include WHMCS, Zoho CRM, Salesforce, vtiger CRM, Stripe, and n8n. ASTPP can be installed on a customer server, and the maker describes cloud, on-premise, and high-availability deployments. The Community Edition costs nothing, billed free forever, but has limited features and community add-ons, with no support or security updates. Enterprise offers advanced features, enterprise add-ons, unlimited support and upgrades, and no limit on data records; pricing is available by contacting sales. ASTPP was founded in 2013 and is headquartered in Ahmedabad, Gujarat, India.
For and against
For
- Supports prepaid, postpaid, and reseller billing
- Offers several routing criteria
- Provides REST APIs for account and call data
- Can be installed on a customer server
Against
- Community Edition has limited features
- Community Edition includes no support
- Community Edition receives no security updates
The verdict
ASTPP combines telephony functions with billing, routing, DID management, and APIs. The free Community Edition has explicit support and security-update limits; Enterprise pricing requires contacting sales.
Who it suits
ASTPP suits telecom businesses seeking tools for VoIP billing, routing, DID management, and telephony administration. Its Community Edition is presented for individuals and businesses seeking a free option; Enterprise is described for small to large enterprises.
Plans and prices
Community Edition
Community add-ons · limited features · free forever
Read 15 Oct 2026 · astppbilling.org
Enterprise Edition
All Community features · advanced features · enterprise add-ons · unlimited support
Read 15 Oct 2026 · astppbilling.org
On the record
- API
- ASTPP exposes HTTP/HTTPS APIs for accounts, call details and billing automation through an Enterprise API add-on.inextrix.atlassian.net · read 15 Oct 2026
- API authentication
- API requests use an administrator-managed x-auth-token copied from api_auth_key in astpp-config.conf.inextrix.atlassian.net · read 15 Oct 2026
- Billing
- It supports real-time prepaid charging, postpaid invoicing, reseller billing, and configurable billing cycles.astppbilling.org · read 7 Oct 2026
- Billing models
- It supports prepaid and postpaid billing with automated invoices, recurring charges and tax handling.astppbilling.org · read 15 Oct 2026
- Calling cards
- Calling-card functions handle prepaid PINs, access numbers, expiry and usage tracking.astppbilling.org · read 15 Oct 2026
- Call routing
- Routing options include lossless, CLI/non-CLI, priority-based and least-cost routing.astppbilling.org · read 15 Oct 2026
- Community limits
- The Community Edition is described as having limited or basic features and no security updates.astppbilling.org · read 7 Oct 2026
- Company facts
- LinkedIn lists Inextrix as privately held, founded in 2010, headquartered in Ahmedabad and employing 51–200 people.linkedin.com · read 15 Oct 2026
- Deployment
- The maker says ASTPP can be installed on a customer's server and describes cloud, on-premise, and high-availability deployments.astppbilling.org · read 7 Oct 2026
- DID management
- Administrators can allocate, route and bill DID numbers and assign them to resellers.astppbilling.org · read 15 Oct 2026
- Documentation depth
- Documentation covers installation, quick start, modules, add-ons, API setup and configuration workflows.inextrix.atlassian.net · read 15 Oct 2026
- GetApp platform coverage
- GetApp lists web, Android and iPhone/iPad support plus email/help desk, forum, knowledge base, phone, live-representative and chat support options.getapp.com · read 15 Oct 2026
- Integrations
- The site lists integrations including WHMCS, Zoho CRM, Salesforce, vtiger CRM, Stripe, and n8n.astppbilling.org · read 7 Oct 2026
- Intended users
- The maker describes the Community Edition for individuals and businesses seeking a free version, and Enterprise for small to large enterprises.astppbilling.org · read 7 Oct 2026
- IP PBX
- Its multi-tenant PBX includes IVR, queues, ring groups, conferencing and voicemail.astppbilling.org · read 15 Oct 2026
- Licence
- The public ASTPP repository identifies the project as AGPL-3.0 licensed.github.com · read 15 Oct 2026
- Limit: bugs and speed
- A G2 reviewer reports bugs in version 6 and slow billing-data retrieval at times.g2.com · read 15 Oct 2026
- Limit: configuration
- A G2 reviewer says one or two functions, including FoIP, were difficult to configure correctly.g2.com · read 15 Oct 2026