What VoipSwitch does

VoipSwitch is a UK-based, privately held provider of white-label VoIP and unified communications platform software founded in 2001 and headquartered in Edgware, with a primary contact office in London. The company develops a SIP-based Class 5 softswitch with integrated billing that supports VoIP, SMS, RCS, and unified communications across retail, wholesale, and carrier segments. Its product suite includes the Class 5 Softswitch, Rich Communication Suite (RCS) mobile and desktop clients, a multitenant Unified Communication/PBX, an enterprise SMS platform, a Calling Cards platform, and an MVNO solution, supported by administrative modules (VSM4 admin panel, VUP self-care portal, VUC unified communication portal, and VSMS) and an Online Shop for payment processing. The architecture is designed for service providers and telecom operators and integrates with 50+ payment providers, 20+ DID providers, and standard SIP/RTP/SMPP/STIR-SHAKEN frameworks.

VoipSwitch operates a multi-level reseller and agent hierarchy — provider, reseller, sub-reseller, and agent — that enables service providers to white-label and distribute services through branded portals. Revenue is generated through software licensing (Linux hosting starts at $149/month with a 150 concurrent-call license), subscription-based billing and rating, per-transaction SMS and wholesale VoIP fees, DID number provisioning, reseller licensing, and payment processing. Go-to-market combines direct enterprise sales with demo requests, channel partners, and product-led self-service portals. Customers include tier-1 telecom carriers such as T-Mobile and Mobily, regional providers including Mada, Dollarphone, Deltathree, and Ayannah, and technology partners such as Ericsson/LG, with operating geographies spanning EMEA, the Middle East, and North America.

The firm is founder-led under CEO Alexander Ellinson and CTO Tomasz Kozierowski, and has not raised institutional capital beyond a $498,000 round in 2011, indicating a bootstrapped operating model. Product development has remained active, with documented launches including STIR/SHAKEN compliance (June 2023), Anti-SPIT technology (April 2024), AI-powered conversational IVR (September 2025), and continued VSM4 admin panel enhancements into 2026. The customer base is global in name but concentrated in carrier and service-provider segments, with recent vertical exploration into Telemedicine signaling modest diversification beyond core telecom.

Name

VoipSwitch

Legal name

VoipSwitch

Website

https://voipswitch.com

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

101–250 employees

Short description

VoipSwitch is a UK-based provider of white-label SIP Class 5 softswitch, RCS, UC/PBX, SMS, and MVNO platform software for global telecom carriers and VoIP service providers, distributed via multi-level reseller and direct sales channels since 2001.

Ownership category

akta.pro rank

Product category

Telecommunications Software Platforms

NAICS

Software Publishers (5132), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)

SIC

Services-Prepackaged Software (7372), Communications Services, Nec (4899), Services-Telephone Interconnect Systems (7385)

akta.pro primary industry

Virtualized IMS & VoIP Core (vIMS) (HDAFANAE)

akta.pro secondary industries

VoIP Access & ITSP Services (HDAIAHAD), Voice Calling (VoIP) Apps (BPAMACAC), Low-Code/No-Code Application Platforms (HDAEAKAA)

Keywords

• VoIP softswitch platform
• Unified communications PBX
• SMS messaging platform
• MVNO mobile solutions
• Telecom billing software

Headquarters

HQ city

Edgware

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Infrastructure, Operations, Marketing or Sales, Supply Chain

Revenue model

1. Software Licensing: VoipSwitch platform license sales for service providers to deploy VoIP services. Linux hosting starts from $149/month including cloud server, 150 CC license, and access to all platform functionalities.
2. Billing and Rating Services: Integrated convergent charging and billing system supporting prepaid and postpaid models, with real-time multi-layer charging, rate plans, subscriptions, packages, and bundled services for voice, video, SMS, and DIDs.
3. SMS Services: A2P messaging platform for promotional, bulk, transactional, and response-driven SMS. Supports both retail and wholesale SMS businesses with routing plans and billing per SMS rate.
4. Wholesale VoIP Traffic: Wholesale carrier services for retail and wholesale VoIP traffic termination, with least cost routing, load balancing, traffic failover, and CLI-based intelligent routing.
5. Reseller Programs: Multi-tiered reseller structure where providers assign base tariffs to resellers who can create their own rate sheets. Real-time credit control at each ownership level.
6. DID Number Services: Direct Inward Dialing number provisioning and management with integration to multiple DID provider APIs including Voxbone, DIDx, DIDWW, and Voipinnovations.
7. Payment Processing: Online payment module integrated with dozens of payment providers supporting credit cards, wallets, and in-app payments. Transaction processing for recharge, subscriptions, and invoicing.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels5 records

Core offering

VoipSwitch develops and licenses a white-label SIP-based Class 5 softswitch platform that telecom service providers, carriers, MVNOs, and businesses deploy to offer VoIP, SMS, RCS, and unified communications services. The platform bundles real-time billing, multi-level reseller management, WebRTC self-care portals, AI-powered IVR, and STIR/SHAKEN compliance into a single integrated stack sold via subscription and licensing.

Product overview

VoipSwitch is a comprehensive VoIP communication platform providing a modular ecosystem of telecommunications products. The core offering consists of a Class 5 Softswitch (multiservice telephony server combining SIP server and application server), Rich Communication Suite (RCS) with mobile/desktop clients, Unified Communication/PBX, SMS Platform, Calling Cards, and MVNO solutions. These are supported by administrative modules including VSM4 (VoipSwitch Manager - main admin panel), VUP (VoipSwitch User Portal - customer self-care), VUC (VoipSwitch User Control Portal - PBX web portal), and VSMS (SMS portal). Additional modules include Online Shop for payment processing and Linux Hosting for cloud deployment. The platform supports features like AI-powered IVR, Text/Speech-to-Speech, STIR/SHAKEN, Anti-SPIT, and Barge-in/Whispering for supervisory calls.

Differentiator

Problem solved

Functional benefit

Brands

• VSM4 (VoipSwitch Manager 4): Main administrative panel for managing VoIP infrastructure, retail and PBX accounts, rates, tariffs, routing plans, and system configurations.
• VUP (VoipSwitch User Portal)
• VUC (Unified Communication Portal)
• VSMS (VoipSwitch SMS Platform)
• VoipSwitch RCS

Products and services

• Class 5 Softswitch A SIP-based Class 5 softswitch combining SIP server and application server capabilities, supporting proxy/registrar/B2BUA, presence, IVR, voicemail, call recording, transcoding, media relay, and T.38 fax for telecom service providers.
• Rich Communication Suite (RCS) White-label RCS platform offering HD audio/video calling, instant messaging, presence, multimedia sharing, and group chats via mobile clients for iOS and Android and a backend server for service providers.
• Unified Communication | PBX Multitenant IP PBX solution with WebRTC self-care portal, mobile UC clients, auto-attendants, video/HD audio, hunt groups, parking, transfers, and BLF for businesses and service providers.
• SMS Platform Enterprise A2P messaging platform supporting promotional, bulk, transactional, and response-driven SMS with SMPP and HTTP/HTTPS termination, routing plans, billing, and IVR integration for service providers.
• VSMS (VoipSwitch SMS Portal) SMS gateway solution for carrier-grade SMS traffic handling supporting A2P, P2A, and P2P SMS with HTTP/HTTPS and SMPP termination for wholesale carriers, aggregators, MNOs, and MVNOs.
• Calling Cards Platform VoIP calling cards solution with access numbers, PIN-based authentication, IVR-driven services, and customizable rates for retail and wholesale distribution.
• MVNO Solution Mobile Virtual Network Operator solution that enables service providers to launch and operate mobile services without owning radio network infrastructure.
• VSM4 (VoipSwitch Manager) Main administrative panel for managing VoIP infrastructure including retail/wholesale/PBX user accounts, rate sheets, dialing plans, reseller hierarchies, routing plans, CDRs, billing, invoicing, and 2FA access.
• VUP (VoipSwitch User Portal) Self-care customer portal combining RCS features with account management, billing, contacts, chat, call history, voicemail, DID management, balance top-up, and a WebRTC-based web phone.
• VUC (VoipSwitch User Control Portal) PBX web self-care portal with multi-lingual Angular interface offering user management, company features, rates, speed dials, top-up, invoices, and GDPR-compliant profile management.
• Online Shop E-commerce module with web and mobile-optimized checkout pages, WebAPI for CRM integration, and support for credit cards, mobile payments, and dozens of international payment providers.
• Linux Hosting Cloud-hosted VoipSwitch platform on Linux servers, starting at $149/month with a hosted cloud server, 150 concurrent call license, full functionality access, and technical support.
• STIR/SHAKEN Compliance solution implementing STIR (Secure Telephony Identity Revisited) and SHAKEN (Secure Handling of Asserted Information Using Tokens) standards to prevent robocalls and caller ID spoofing per FCC requirements.
• AI-Powered IVR Conversational AI IVR system that allows callers to ask questions in natural language, retrieves answers from a knowledge base, and escalates to live agents when required.
• RCS Backend API High-performance RCS backend API on an SQL cluster database handling accounts provisioning, address books, file transfers, public directory, and history cache for millions of subscribers.

Quantifiable outcome

• Reduced international gateway fees through CLI-based intelligent routing for domestic calls
• +3 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration20 records

AI capability9 records

Feature16 records

Partnerships

Five partnerships are on record, tiered core.

• Payment Gateway Providers (50+)coreTechnology or IntegrationIntegrated with over 50 payment providers including Stripe, PayPal, Adyen, Authorize.net, Braintree, and regional providers like 2C2P, Doku, MPesa, SwishMe, and many more for global payment processing.
• DID Providers (20+)coreTechnology or IntegrationIntegrated with APIs of more than 20 DID providers including Voxbone, DIDx, DIDWW, Voipinnovations, and others for Direct Inward Dialing number provisioning.
• STIR/SHAKEN FrameworkcoreTechnology or IntegrationImplements STIR (Secure Telephony Identity Revisited) and SHAKEN (Secure Handling of Asserted Information Using Tokens) standards created by FCC to ensure calling numbers are not spoofed and reduce fraudulent activity.
• SMS Termination ProviderscoreTechnology or IntegrationSupports HTTP/HTTPS and SMPP SMS termination providers for both retail and wholesale SMS services with configurable routing plans.
• Codec Standards (OPUS, h264)coreTechnology or IntegrationImplements OPUS audio codec and h264 video codec standards, with OPUS combining SILK with audio preprocessors and dynamic adaptive technologies for optimal voice quality.

Scale indicators1 record

Recent moves6 records

Expansion highlights6 records

Direct peers

• PortaOne: Provides PortaSwitch, a softswitch plus convergent billing platform for telecom and VoIP service providers — the same white-label carrier-grade positioning as VoipSwitch.
• Telinta: Offers cloud-based white-label softswitch and billing for VoIP service providers and resellers, directly overlapping VoipSwitch's core buyer and multi-level reseller model.
• Squire Technologies: Supplies softswitch, signaling and messaging solutions for telecom operators, directly competing in the carrier softswitch and SMS routing space VoipSwitch serves.
• Sippy Software: Sells a softswitch with integrated real-time billing for retail and wholesale VoIP carriers, competing head-on with VoipSwitch's Class 5 softswitch and billing stack.
• 2600Hz: Builds the KAZOO cloud communications platform enabling service providers to offer UCaaS and telephony, a close analog to VoipSwitch's provider-focused platform.
• NetSapiens (Crexendo): Provides a white-label UCaaS/telephony platform licensed to service providers, overlapping VoipSwitch's PBX and unified communications offering for providers.
• MERA Systems: Develops softswitch and session border controller products for VoIP carriers, comparable to VoipSwitch's carrier-grade voice core and routing capabilities.
• Alianza: Delivers a cloud voice and communications platform for service providers replacing legacy softswitches, targeting the same carrier/provider customer base as VoipSwitch.

Broad incumbents

• Metaswitch (Microsoft): An established softswitch and virtualized IMS core vendor for large operators; competes on core voice technology but at greater scale and within Microsoft's cloud ecosystem.
• Ribbon Communications: A large provider of session border controllers, softswitch and IMS core for carriers; overlaps VoipSwitch's voice-core niche but as part of a far broader carrier-infrastructure portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/VoipSwitch_com
• Facebookfacebook.com/voipswitchinc
• LinkedInlinkedin.com/company/242513

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds1 record

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about VoipSwitch