What VozTelecom does

VozTelecom, which trades commercially as Gamma and is legally domiciled as Gamma Operadora de Comunicaciones S.A.U., is a Spanish cloud communications operator headquartered in Barcelona. Founded in 2003, the company built its position as a pioneer in IP telephony for small and medium-sized businesses in Spain and now sits as a licensed operator serving a long-tenured SMB base.

At its core, the product is a cloud-based virtual PBX branded as Centralita Virtual Centrex that lets customers manage telephony from fixed phones, mobiles, and PCs across any location. The platform is modular: native Microsoft Teams telephony extension, CRM integrations, WhatsApp integration for Contact Center, IP telephony lines (Oigaa Direct), and analytics dashboards are sold alongside the core PBX. The AI layer overlays three capabilities: an Agente Virtual IA (AI virtual agent for 24x7 customer service), IA para analítica de llamadas (audio call analytics for real-time visibility into call handling and department workload), and IA para inmobiliarias (a verticalized agent for real estate agencies integrated with Inmovilla). On the distribution side, Gamma combines direct enterprise sales with a multi-tier partner channel including PBX distributors, ICT integrators (Integradores TIC), and certified Microsoft, Cisco, and Webex partners, supported by a national Puntos de Servicio (service point) network for local support.

Gamma monetizes through recurring monthly subscriptions priced on a quote basis, tailored by company size and communication needs and bundled with 24x7 professional support. The company is private, bootstrapped (no funding rounds disclosed), and serves primarily the Spanish market with some indication of UK presence. The disclosed customer satisfaction score of 9.2/10 (January–April 2025) and a self-described "most awarded cloud communications portfolio in Europe" positioning frame a retention-led rather than acquisition-led growth posture.

Name

VozTelecom

Legal name

Gamma Operadora de Comunicaciones S.A.U.

Website

https://voztelecom.com

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

51–100 employees

Short description

VozTelecom (operating as Gamma) is a Barcelona-based cloud communications provider offering a cloud-based virtual PBX (Centrex) platform with AI analytics and virtual agents, serving Spanish small and medium-sized businesses through direct sales and partner channels.

Ownership category

akta.pro rank

Product category

Cloud Communications / Unified Communications as a Service (UCaaS)

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821), Computer Systems Design and Related Services (54151)

SIC

Services-Telephone Interconnect Systems (7385), Telephone Communications (No Radiotelephone) (4813)

akta.pro primary industry

Cloud PBX & Hosted Telephony (HDAIAHAB)

akta.pro secondary industry

Customer Experience (CX) & Voice-of-Customer Analytics (BPAHALAK)

Keywords

• Cloud communications platform
• Virtual PBX telephony
• Business VoIP services
• Cloud contact center
• AI call analytics

Headquarters

HQ city

Barcelona

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. Cloud Communications Services Subscription: Subscription-based cloud communications services including virtual PBX, AI analytics, and contact center solutions. Customers pay recurring fees for access to the platform, support, and professional services.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels7 records

Core offering

VozTelecom (operating as Gamma) sells a cloud-based virtual PBX (Centrex) telephony platform for Spanish small and medium-sized businesses, enabling unified communications across fixed, mobile, and computer devices. Its portfolio also includes AI-powered virtual agents, call analytics, contact center and call center solutions with WhatsApp integration, Microsoft Teams telephony integration, and IP telephony lines for hybrid environments. Customers subscribe to recurring monthly plans that bundle the platform with 24x7 professional support.

Product overview

VozTelecom (operating as Gamma) offers a unified cloud communications platform for businesses consisting of a core virtual PBX (Centralita Virtual Centrex) with multiple integrated modules and add-ons. The portfolio includes computer telephony (Work), Microsoft Teams integration, CRM connectivity, and analytics as core extensions. AI-powered capabilities are delivered through the Agente Virtual IA (autonomous agent), AI call analytics, and specialized real estate AI (Inmovilla). The company also offers dedicated Contact Center and Call Center solutions with WhatsApp integration, plus traditional IP telephony services for hybrid environments.

Differentiator

Problem solved

Functional benefit

Products and services

• Centralita Virtual Centrex Cloud-based virtual PBX service enabling businesses to manage professional communications from any location and device (fixed phone, mobile, or computer). Provides call routing, extensions, and 24x7 professional support for small, medium, and large business customers.
• Agente Virtual IA AI-powered virtual agent that provides automated customer service with intelligent call handling, routing, and 24/7 support capabilities for businesses that want to automate customer interactions without human intervention.
• IA para analítica de llamadas AI-powered call analytics service that processes audio from phone conversations to extract insights on customer interactions, agent performance, call answer rates, saturated departments, and overall communication status in real time.
• Contact Center Omnichannel contact center solution for managing customer communications across multiple channels, with advanced routing, queuing, reporting, and WhatsApp channel support for business customer service operations.
• Call Center Software Call center software solution with agent management, call queuing, real-time dashboards, and performance metrics for outbound and inbound call operations targeting businesses running customer service or sales call teams.
• Telefonía IP / Oigaa Direct IP telephony service providing direct IP phone lines for PBX systems, enabling VoIP connectivity for on-premises and hybrid phone systems at businesses that need SIP trunks alongside or instead of full cloud PBX.

Quantifiable outcome

• 9.2/10 customer satisfaction score based on January-April 2025 surveys

Named customers18 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability5 records

Feature7 records

Partnerships

Five partnerships are on record, tiered core and secondary.

• MicrosoftcoreTechnology or IntegrationMicrosoft partner providing telephony integration with Microsoft Teams, allowing Gamma's virtual PBX to function as extensions within the Teams platform. Customers can manage all calls from Microsoft Teams as if it were another extension of the telephone system.
• CiscocoreTechnology or IntegrationCisco partnership providing enterprise communications solutions through certified Cisco partners. Gamma operates as a Cisco partner in the cloud communications space.
• Webex (Cisco)coreTechnology or IntegrationWebex for Gamma partnership offering collaboration and communications solutions. Gamma provides Webex-related services and solutions through this partnership channel.
• PBX DistributorssecondaryChannel Partner/ Reseller/ DistributorDistribution network for Gamma's centralita (PBX) solutions through authorized distributors across Spain.
• ICT IntegratorssecondaryImplementation/ SI/ Consulting PartnerPartnership with ICT integrators (Integradores TIC) who implement and deploy Gamma's communication solutions for business customers.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Dstny: Dstny is a European cloud communications and UCaaS provider serving SMBs across Benelux, Nordics, and other European markets. Comparable to Gamma as a regional European UCaaS player with a partner-led distribution model and SME target customer.
• Vonage (Ericsson): Vonage, now owned by Ericsson, provides cloud communications APIs and UCaaS solutions including hosted PBX and contact center services. Competes with Gamma in cloud telephony, particularly for SMB and mid-market customers integrating voice with collaboration tools.
• 8x8: 8x8 is a global UCaaS and contact-center-as-a-service provider with cloud telephony, voice, and integrated customer experience offerings for SMB and enterprise. Comparable to Gamma on the PBX-plus-contact-center bundle and AI analytics positioning.
• Zoom (Zoom Phone): Zoom Phone extends Zoom's collaboration platform into cloud telephony, providing hosted PBX for SMBs and mid-market customers globally. It is a direct substitute for Gamma's core virtual PBX offering, especially for customers already standardized on Zoom.
• RingCentral: RingCentral is a leading global UCaaS and contact center provider offering cloud PBX, voice, and collaboration for businesses of all sizes. It competes head-to-head with Gamma in the cloud virtual PBX category and serves as the de facto benchmark for SMB-focused UCaaS economics.
• NFON: NFON is a Munich-based European cloud PBX and UCaaS provider focused on SMBs across DACH and other European markets. It is the closest direct peer to VozTelecom/Gamma given comparable SME focus, cloud telephony core, and European geographic orientation.

Broad incumbents

• Microsoft (Teams Phone): Microsoft Teams Phone is part of the broader Microsoft 365 ecosystem and represents the largest single competitive threat to standalone UCaaS players like Gamma. While Gamma is also a Microsoft partner, Teams Phone is the incumbent cloud PBX alternative for enterprises standardized on Microsoft.
• Avaya: Avaya is a legacy PBX and contact center incumbent transitioning its portfolio to cloud-based UCaaS and CCaaS offerings (Avaya Experience Platform). Comparable as a PBX and contact center competitor, particularly in mid-market and enterprise accounts undergoing cloud migration.
• Cisco (Webex Calling): Cisco Webex Calling is Cisco's cloud PBX offering within the broader Webex collaboration suite. Comparable as a competing UCaaS solution and as a partner of Gamma for joint go-to-market — a dual incumbent/partner dynamic similar to the Microsoft relationship.
• Mitel: Mitel provides business communications including on-prem and cloud PBX, UC, and contact center solutions with strong SMB and mid-market penetration in Europe. Comparable as a PBX incumbent migrating customers to subscription cloud models, directly competing with Gamma in the SMB segment.

Market position

Strengths3 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@gammacomunicaciones
• Facebookfacebook.com/gammacom.es
• LinkedInlinkedin.com/company/gamma-comunicaciones
• Instagraminstagram.com/gamma_comunicaciones
• Xx.com/voztele_com

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

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 VozTelecom