Voxbone
Voxbone, now part of Bandwidth Inc., is a Brussels-based cloud communications platform delivering programmable voice, messaging, and emergency-calling APIs with PSTN reach across 60+ countries, serving Global 2000 enterprises, SaaS builders, and Voice AI startups via direct and partner channels.
- Company typePrivate
- Founded2005
- HeadquartersBrussels, Belgium
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What Voxbone does
Voxbone is a Brussels-headquartered cloud communications company that provides programmable voice, messaging, and emergency-calling infrastructure across 60+ countries, and has been fully acquired by and integrated into Bandwidth Inc. The legacy Voxbone portal now redirects to Bandwidth authentication systems, and the legacy Voxbone product set is delivered today through Bandwidth's Universal Platform. The technology stack centers on REST APIs for voice, SMS, MMS, RCS, WebRTC, and emergency calling, layered onto Bandwidth Maestro — an enterprise integration platform that the company describes as having the most direct-to-carrier integrations globally — and a global all-IP SIP trunking backbone with PSTN reach across 65+ countries and 99.9% core network uptime.
The company operates a hybrid go-to-market that combines API-first self-serve channels for SaaS product builders and Voice AI startups with an enterprise field-sales motion targeting Global 2000 enterprises in financial services, healthcare, hospitality, and marketing technology. Revenue is generated through usage-based per-minute and per-message billing on the Communications API platform, monthly recurring fees on SIP trunking and phone number services, and premium enterprise support plans with >99% SLA response rates. Distribution is reinforced by integrations with Microsoft Teams (Direct Routing and Operator Connect), Cisco Webex Calling, Zoom Phone, Genesys Cloud CX, Five9, and Google Voice SIP Link, plus an AWS Marketplace listing for procurement. Flagship customer references include Google (partnership since 2009), Pennymac (2M calls/month, 50% telecom cost savings), Attentive (2.2B+ messages during Cyber Week), and Wyndham Hotels & Resorts (9,200 properties in 95 countries). The company's most recent strategic emphasis is on AI-ready enterprise integrations, anchored by a 2025 Bandwidth AI launch (Voice Activation Agent, Conversational AI) layered on a Google Cloud conversational AI partnership.
Voxbone firmographics
Firmographics- Name
- Voxbone
- Website
- https://voxbone.com
- Company type
- Private
- Founded year
- 2005
- Operating status
- Acquired
- Headcount range
- 101–250 employees
- Short description
- Voxbone, now part of Bandwidth Inc., is a Brussels-based cloud communications platform delivering programmable voice, messaging, and emergency-calling APIs with PSTN reach across 60+ countries, serving Global 2000 enterprises, SaaS builders, and Voice AI startups via direct and partner channels.
- Ownership category
- akta.pro rank
Voxbone industry classification
Industry- Product category
- Cloud Communications Platform
- NAICS
- Wired and Wireless Telecommunications (except Satellite) (5171)
- SIC
- Telephone Communications (No Radiotelephone) (4813), Services-Telephone Interconnect Systems (7385)
- akta.pro primary industry
- Cloud PBX & Hosted Telephony (HDAIAHAB)
- akta.pro secondary industries
- Numbering, DID, Porting & Carrier-of-Record Services (HDAIAHAK), Generative AI & LLM Solutions Services (RAG, Agents, Copilots) (BPAEAHAG)
Keywords
Where Voxbone is headquartered
LocationHeadquarters
- HQ city
- Brussels
- HQ country
- Belgium
- HQ region
- Europe
Offices1 record
Markets served
Voxbone business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Operations, Marketing or Sales
Revenue model
- Communications API Platform: Revenue generated from API usage for voice, messaging, and emergency calling services. Volume-based pricing with per-minute and per-message billing for programmable communications.
- SIP Trunking Services: Monthly recurring revenue from enterprise SIP trunking contracts with flexible all-IP connectivity and global reach.
- Phone Number Services: Revenue from phone number provisioning, porting, and monthly number rental fees across 65+ countries.
- Enterprise Support Plans: Premium support tiers with >99% SLA response rate providing dedicated account management and technical support.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Monthly | Volume-based enterprise pricing |
Go-to-market motion3 records
Distribution channels5 records
Marketing channels7 records
Voxbone product offering
Product offeringCore offering
Voxbone provided cloud-based global voice and messaging communications services delivered via APIs. Its core products included international virtual local phone numbers (DIDs), inbound/outbound SIP trunking, programmable SMS, and E911 emergency services for enterprises and communications platforms needing local presence in multiple countries.
Product overview
Bandwidth (incorporating Voxbone) offers a unified communications platform combining voice, messaging, and emergency services. The platform is built around Communication APIs (Voice API, Messaging API with SMS/MMS/RCS, Emergency Calling API, WebRTC API, Authentication API), enterprise integrations via Bandwidth Maestro, global SIP trunking and VoIP services, and AI-powered capabilities including Voice Activation Agent and Conversational AI. The portfolio includes phone number provisioning across 65+ countries, analytics (Voice and Messaging Insights), and integrations with Microsoft Teams, Webex, Zoom Phone, and other UCaaS platforms.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- 50% cost savings on telecom (Pennymac)
- +5 more outcomes
Companies that use Voxbone
Customer profileNamed customers4 records
Segments6 records
Ideal customer profiles1 record
Voxbone technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
AI capability3 records
Feature8 records
Voxbone partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered flagship and core.
- GoogleflagshipStrategic partnership since 2009 for voice innovations. Google relies on Bandwidth for new voice technologies, and Bandwidth partners with Google Cloud for conversational AI integration enabling rich, intuitive customer conversations.
- MicrosoftcoreDual integration partnerships: Microsoft Teams Direct Routing enables enterprises to use Bandwidth for PSTN connectivity, and Operator Connect for operator-managed Teams connectivity.
- ZoomcoreZoom Phone integration partnership providing global SIP trunking and phone number services for Zoom Phone deployments worldwide.
- GenesyscoreGenesys Cloud CX integration partnership enabling contact center customers to leverage Bandwidth's voice and messaging APIs.
- Cisco WebexcoreWebex Calling integration partnership providing PSTN connectivity and phone number services for Cisco Webex Calling platform.
- Five9coreContact center integration partnership enabling Five9 customers to utilize Bandwidth's voice APIs and global phone number services.
- AWSflagshipAWS Marketplace listing enabling enterprise customers to procure Bandwidth communications services through AWS with simplified procurement and deployment.
- Google CloudflagshipConversational AI technology partnership leveraging Google Cloud's AI technology for enhanced customer service experiences through Bandwidth's communications platform.
Scale indicators11 records
Recent moves6 records
Expansion highlights5 records
Voxbone competitors and assessment
Company assessmentBroad incumbents
- Bandwidth Inc. Voxbone's parent company and the platform into which its services have been fully integrated. Bandwidth operates the same communications API, SIP trunking, and messaging portfolio at a larger scale, serving the same Global 2000 and UCaaS integrator customer base.
- 8x8: 8x8 is a UCaaS and CCaaS platform offering voice, messaging, and contact center solutions with global PSTN coverage. While more vertically integrated than Voxbone, it competes for the same enterprise communications spend and has overlapping integrations with Genesys and Five9 ecosystems.
- RingCentral: RingCentral provides cloud PBX, UCaaS, and contact center solutions with global reach. Its RingCentral MVP and RingCX products overlap with Voxbone's hosted telephony and UCaaS integration partnerships, particularly in enterprise voice deployments.
Direct peers
- Twilio: Twilio is the largest pure-play CPaaS provider offering Voice, SMS/MMS, and global phone number provisioning APIs with similar developer-first and enterprise go-to-market motions. Twilio's Segment and Flex products target comparable SaaS builder and enterprise use cases that Voxbone/Bandwidth serves.
- Vonage (Ericsson): Vonage provides communications APIs (voice, messaging, video) and UCaaS solutions with strong enterprise traction; now owned by Ericsson, it competes directly in programmable voice and SIP trunking for global enterprises, overlapping heavily with Voxbone's value proposition.
- Sinch: Sinch is a global CPaaS leader in messaging and voice APIs with direct carrier relationships across 200+ countries. Its voice and emergency calling offerings compete head-to-head with Voxbone's PSTN and global number services for enterprise and SaaS builder customers.
- Telnyx: Telnyx operates a private global IP network with direct carrier interconnect similar to Bandwidth Maestro, offering programmable voice, messaging, and SIP trunking APIs. Targets the same Global 2000 and SaaS builder segments with comparable API-first positioning.
- Plivo: Plivo provides cloud communications APIs for voice, SMS, and WhatsApp messaging with global coverage. Targets SaaS product builders and enterprises with developer-first pricing, making it a comparable peer for Voxbone's API-led GTM.
- Bird (formerly MessageBird): Bird operates a global CPaaS platform for SMS, voice, and inbox APIs with presence in 50+ countries. Targets the same SaaS builder and mid-market segments and competes on global messaging coverage that overlaps with Voxbone's messaging API.
Regional players
- Telstra Wholesale: Telstra's wholesale and international voice division provides carrier-grade SIP, DID, and VoIP origination/termination services, particularly across APAC. Comparable infrastructure-layer offering though primarily serving Asia-Pacific enterprise and carrier customers.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks4 records
Key highlights7 records
Customer concentration
Voxbone social profiles
Digital presenceVoxbone compliance and trust
Trust signalCompliance1 record
Voxbone financial estimates
Financial estimateRevenue estimate
Valuation estimate
Voxbone leadership team
Management profileNumber of profiles
Voxbone funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Voxbone M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Voxbone
What does Voxbone do?
Voxbone provided cloud-based global voice and messaging communications services delivered via APIs. Its core products included international virtual local phone numbers (DIDs), inbound/outbound SIP trunking, programmable SMS, and E911 emergency services for enterprises and communications platforms needing local presence in multiple countries.
Is Voxbone a public or private company?
Voxbone is a private company. It is classified as corporate owned and is currently acquired.
When was Voxbone founded?
Voxbone was founded in 2005. It employs 101 to 250 people.
Where is Voxbone based?
Voxbone is headquartered in Brussels, Belgium, in the Europe region.
How does Voxbone make money?
Four revenue lines are on record. Communications API Platform is the primary driver. The others are SIP Trunking Services, phone Number Services and enterprise Support Plans.
Who are Voxbone's main competitors?
Broad incumbents on record are Bandwidth Inc., 8x8 and RingCentral. Direct peers are Twilio, Vonage (Ericsson), Sinch, Telnyx, Plivo and Bird (formerly MessageBird). Telstra Wholesale is listed as a regional player.
Does Voxbone have an API?
Yes. Bandwidth offers communications APIs including Voice API, Messaging API, Emergency Calling API, WebRTC API, and Authentication API. Developers can build programmable voice, SMS, MMS, RCS, and emergency calling capabilities into their applications. Developer documentation is at dev.bandwidth.com/docs.
What industry is Voxbone in?
Voxbone's product category is Cloud Communications Platform. Its primary akta.pro industry code is HDAIAHAB, Cloud PBX & Hosted Telephony, with a secondary code of HDAIAHAK, Numbering, DID, Porting & Carrier-of-Record Services. Its NAICS code is 5171 and its SIC code is 4813.