Call-in-one
Voys is a privately held Dutch cloud telecommunications company (Groningen, founded ~2004) that sells a unified VoIP business telephony, contact center, and AI-powered conversation intelligence platform to over 19,000 SMB and enterprise customers across the Netherlands and seven other countries.
- Company typePrivate
- Founded2004
- HeadquartersGroningen, Netherlands
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
Call-in-one firmographics
Firmographics- Name
- Call-in-one
- Legal name
- Voys
- Website
- https://callinone.nl
- Company type
- Private
- Founded year
- 2004
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Voys is a privately held Dutch cloud telecommunications company (Groningen, founded ~2004) that sells a unified VoIP business telephony, contact center, and AI-powered conversation intelligence platform to over 19,000 SMB and enterprise customers across the Netherlands and seven other countries.
- Ownership category
- akta.pro rank
Call-in-one industry classification
Industry- Product category
- Cloud Business Telephony
- NAICS
- Wired and Wireless Telecommunications (except Satellite) (5171), Telephone Apparatus Manufacturing (33421)
- SIC
- Telephone Communications (No Radiotelephone) (4813)
- akta.pro primary industry
- Cloud PBX & Hosted Telephony (HDAIAHAB)
- akta.pro secondary industries
- Numbering, DID, Porting & Carrier-of-Record Services (HDAIAHAK), VoIP/ATA & Integrated Voice Gateways (CPE) (HDAFAIAJ), Voice Calling (VoIP) Apps (BPAMACAC)
Keywords
Where Call-in-one is headquartered
LocationHeadquarters
- HQ city
- Groningen
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
Call-in-one business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Operations, Marketing or Sales
Revenue model
- VoIP Telephony Subscriptions: Monthly or annual subscription services for cloud business telephony, priced per user/workstation with tiered plans based on organization size (ZZP, MKB up to 20 users, MKB 20+, enterprise 200+ users). Flexible day-to-day cancellation available. Pricing scales with the number of users and features required.
- Contact Center Solutions: Omnichannel contact center platform with advanced features for larger organizations requiring sophisticated customer interaction management.
- Phone Numbers: Sale and rental of business phone numbers including regional, 085 national, and international numbers across 40+ countries.
- Hardware Sales: Sale of VoIP-compatible telephones and headsets for business communication needs.
- Professional Services: Implementation support and guided onboarding for organizations with 20+ users, including dedicated support team assistance.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | ZZP/Solopreneur - Single flexible workstation for self-employed professionals |
| Subscription | Monthly | MKB - Small business up to 20 users with scalable solution |
| Subscription | Monthly | MKB 20+ - Medium-sized business from 20 users with advanced features |
| Subscription | Monthly | Grootzakelijk - Enterprise from 200+ users with full platform capabilities |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels6 records
Call-in-one product offering
Product offeringCore offering
Call-in-one provides cloud-based business telephony services to Dutch SMEs, including a hosted PBX (VPBX), mobile telephony integration, SIP trunking (Cloud Connect / Cloud Connect Pro), wholesale VoIP, call recording, payment-terminal connectivity, and bundled internet. The offering is delivered as a subscription-based service over a multi-carrier VoIP network with multiple independent routing paths.
Differentiator
Problem solved
Functional benefit
Brands
- Voys Intelligence: AI-powered feature that converts conversations into actionable insights through automatic transcriptions and summaries.
- Pulse
- Reach
- Voys One Dashboard
- Voys Freedom
Products and services
- VPBX Cloud-hosted private branch exchange (PBX) product, delivered as a subscription service for Dutch SMEs needing business telephony without on-premise hardware.
- Mobiel Mobile telephony service tightly integrated with the cloud PBX, allowing users to use a mobile handset as a full business extension.
- Cloud Connect Connectivity product that links an existing on-premise PBX to the cloud telephony platform via SIP trunking.
- Cloud Connect Pro Enhanced SIP trunking product for businesses that need additional capacity, redundancy, or features beyond the standard Cloud Connect service.
- Connect Direct-connect product linking customer telephony to the cloud platform.
- Call Recording Cloud-based call recording service for businesses that need to record, store, and review telephone calls for quality, training, or compliance purposes.
- Pinnen Connectivity service that links retail payment terminals to the business telephony platform, allowing payment terminals to share the same data lines as voice services.
- Internet Plus Internet access service bundled with the cloud telephony platform, sold to Dutch SMEs as a single combined connectivity package.
- Wholesale VoIP Wholesale voice-over-IP termination service sold to resellers and other carriers in volume.
- Wholesale Telephone Numbers Wholesale DDI/telephone-number service that lets international resellers and carriers obtain local numbers for resale to their end customers.
Quantifiable outcome
- Over 19,000 businesses trust Voys for their business communications
- +3 more outcomes
Companies that use Call-in-one
Customer profileSegments7 records
Ideal customer profiles2 records
Call-in-one technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
AI capability2 records
Feature7 records
Call-in-one partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core.
- Microsoft TeamscoreNative integration between Voys cloud telephony and Microsoft Teams, enabling Voys + Teams combined functionality. Customers can make and receive business calls through Teams using Voys as the telephony backend, combining collaboration and communication in one platform.
- HubSpotcorePre-built integration connecting Voys telephony with HubSpot CRM platform, enabling direct customer information visibility within the CRM during calls and comprehensive call logging.
- WhatsApp BusinesscoreOfficial WhatsApp Business integration allowing businesses to use their Voys business phone number for WhatsApp communications, combining traditional telephony with popular messaging channels.
- CRM and Helpdesk Platforms (120+)coreVoys integrates with over 120 CRM systems, helpdesks, and essential business tools, enabling customers to connect their communication platform with existing business software infrastructure. For MKB 20+ tier, this expands to 250+ business tool integrations.
Scale indicators8 records
Call-in-one competitors and assessment
Company assessmentDirect peers
- Vonage (Ericsson): Cloud communications platform providing UCaaS, SIP trunking, and APIs for business telephony. Direct competitor in cloud-based business communications with similar focus on integrations and CRM connectivity.
- RingCentral: Global UCaaS and cloud telephony platform offering business communications, contact center, and AI-powered features across multiple geographies. Direct competitor to Voys in cloud-based business telephony, with similar product breadth including AI transcription/summarization.
- 8x8: Global UCaaS and contact center provider with cloud-based business telephony, AI-powered analytics, and CRM integrations. Competes with Voys across the unified communications stack including the SMB and mid-market segments.
- Belfabriek: Dutch business telephony provider offering VoIP, phone numbers, and call center solutions. Closest Dutch-market direct competitor to Voys, particularly for SMBs and ZZP customers in the Netherlands.
- NFON: European cloud telephony provider headquartered in Germany, offering UCaaS and contact center solutions primarily to SMBs across DACH and other European markets. Comparable to Voys in business model, SMB focus, and European geographic emphasis.
- 3CX: Software-based PBX and UCaaS provider offering cloud and on-premises telephony with CRM integrations. Competes with Voys in the SMB telephony market, particularly through channel partners and self-service deployment.
- Dialpad: AI-native UCaaS platform offering cloud business telephony, contact center, and AI-powered conversation intelligence (similar to Voys Intelligence). Targets similar SMB and mid-market customer base with AI-driven differentiation.
Broad incumbents
- KPN: Dutch incumbent telecommunications operator offering fixed-line, mobile, and business telephony services including VoIP and UC solutions. Larger broad-portfolio competitor with extensive enterprise reach and bundled connectivity offerings that compete with Voys across SMB through enterprise.
- Zoom (Zoom Phone): Global collaboration platform with Zoom Phone offering cloud-based business telephony, video, and AI-powered features (Zoom AI Companion). Broad incumbent competing with Voys especially as AI features become standard expectation.
- Microsoft Teams Phone: Telephony capability bundled into the Microsoft 365 / Teams ecosystem, already integrated with Voys as a partner. Represents a major competitive threat as enterprise customers consolidate communications into Microsoft collaboration suites.
Market position
Customer concentration
Call-in-one social profiles
Digital presenceCall-in-one compliance and trust
Trust signalCompliance1 record
Call-in-one financial estimates
Financial estimateRevenue estimate
Valuation estimate
Call-in-one leadership team
Management profileNumber of profiles
Profiles1 record
Call-in-one funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Call-in-one 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 Call-in-one
What does Call-in-one do?
Call-in-one provides cloud-based business telephony services to Dutch SMEs, including a hosted PBX (VPBX), mobile telephony integration, SIP trunking (Cloud Connect / Cloud Connect Pro), wholesale VoIP, call recording, payment-terminal connectivity, and bundled internet. The offering is delivered as a subscription-based service over a multi-carrier VoIP network with multiple independent routing paths.
Is Call-in-one a public or private company?
Call-in-one is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Call-in-one founded?
Call-in-one was founded in 2004. It employs 1 to 10 people.
Where is Call-in-one based?
Call-in-one is headquartered in Groningen, Netherlands, in the Europe region.
How does Call-in-one make money?
Five revenue lines are on record. VoIP Telephony Subscriptions are the primary driver. The others are contact Center Solutions, phone Numbers, hardware Sales and professional Services.
Who are Call-in-one's main competitors?
Direct peers on record are Vonage (Ericsson), RingCentral, 8x8, Belfabriek, NFON, 3CX and Dialpad. Broad incumbents are KPN, Zoom (Zoom Phone) and Microsoft Teams Phone.
Does Call-in-one have an API?
No public API is recorded for Call-in-one.
What industry is Call-in-one in?
Call-in-one's product category is Cloud Business Telephony. 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.