sip trunking

#1 Open Source VoIP Billing Solution ASTPP has been empowering various VoIP businesses and service providers with its amazing Open Source VoIP solutions. It is regarded as one of the top VoIP billing solutions and the #1 open source FreeSWITCH-driven Class 4 and Class 5 Softswitch Solutions, which automates invoicing and billing processes completely. ASTPP is one of few solutions that support the N-level reseller structure. It uses cutting edge technologies like FreeSWITCH and OpenSIPs as core technologies to provide the most robust, reliable, and scalable solutions. ASTPP is a smart telephony platform, which has a suite of smart VoIP telephony solutions to offer to service providers and businesses, including, but not limited to: Class 4 Softswitch Class 5 Softswitch VoIP Billing Calling Cards Multi Tenant IP PBX DID Management FreeSWITCH Billing FoIP (Fax Over IP) STIR/SHAKEN Call Forwarding SIP Trunking MVNO Billing Mobile Dialer Pc Dialer Features Accounts Management Tariff & Rates Management Advanced Routing Strategies SIP Trunking Management DID Management Invoicing and Billing Realtime Call Billing Free Minutes Bundles Fraud Detection Fax over IP Calling Card / DISA Multi-Tenant IP PBX Comprehensive Reports Multi-Currency and Timezone support Multilingual Support API Support Zoho, Salesforce CRM and WHMCS Integration

Inextrix Technologies Pvt. Ltd. is a leading provider of VoIP software development and telecom solutions for businesses worldwide. With over a decade of industry experience, we help telecom operators, ITSPs, MSPs, enterprises, and startups build scalable communication platforms tailored to their business needs. Our expertise includes custom VoIP software development, SIP application development, FreeSWITCH, Asterisk, OpenSIPS, Kamailio, WebRTC, VoIP billing systems, IP PBX solutions, call center software, DID management, SIP trunking, and telecom consulting. In addition to development services, Inextrix offers industry-leading products such as ASTPP, an open-source VoIP billing platform, and iCallify, a cloud-based contact center solution. Our experienced engineering team delivers secure, reliable, and innovative communication solutions that improve operational efficiency and business growth.

We know that you are worried about keeping your business connected. We provide first-rate telecommunications products and expert support services to our clients across the front range of Colorado. Stay connected at all times and give your team the tools to work efficiently.