Connecting worldwide voices with carrier-grade simplicity.

ALCE delivers global Voice and MVNO solutions powered by our in-house switching platform and dedicated numbering resources. We help carriers, operators and service providers build reliable voice footprints in Europe and beyond.

Headquarters
Lisbon, Portugal
Focus
Wholesale · MVNO · Enterprise
Switching
In-house softswitch & routing
About us

A focused international Voice and MVNO provider.

We bridge the gap between digital customer expectations and the reality of telecom infrastructure – simplifying how partners launch and grow voice services.

ALCE is a Portuguese Voice carrier specialized in international voice connectivity. From our base in Lisbon, we work with global carriers, operators and service providers to deliver high-quality fixed and mobile termination worldwide.

With our own in-house switching platform and local numbering resources, we operate as an agile MVNO-enabler and voice partner. Our team focuses on engineering-driven routing, proactive monitoring and a pragmatic approach to commercial models.

In-house switch
Local numbering
Wholesale voice
MVNO enablement
Telecom and network engineering team collaborating in a meeting room
Engineering-led team focused on routing, quality and monitoring.
Telecom equipment and cabling in a rack
Clean, resilient infrastructure to support international voice traffic.
Lisbon skyline at sunset
Based in Lisbon with reach across Europe, Africa and beyond.
Our toolkit

Built for carriers, operators and service providers.

From classic VoIP interconnection to MVNO use-cases, our portfolio is designed to be simple to adopt and flexible to scale.

VoIP Interconnection

Voice core
High-quality IP-based voice interconnection for carriers and service providers.
  • Reduced telecommunication spend vs legacy TDM.
  • Scalable IP PBX and SIP trunking options.
  • Easy deployment for office, remote and hybrid teams.

Wholesale Voice Termination

Global reach
International fixed and mobile voice traffic with carefully vetted suppliers.
  • Worldwide termination with quality and stability focus.
  • Competitive, transparent and predictable pricing.
  • Direct links where it matters most for performance.

MVNO & Numbering

Own resources
Enable mobile and fixed services with Alcetelecom as your MVNO host.
  • Owned numbering ranges and routing.
  • Flexible models for MVNOs and niche service providers.
  • Support for voice-driven and converged offers.

Quality & Testing

QoS
Continuous testing and monitoring of call performance and experience.
  • Verification of call-handling and call setup behaviour.
  • Voice quality tests under real-world scenarios.
  • Active monitoring of KPIs such as ASR, ACD and PDD.

Premium & Enterprise Voice

Experience
Tailored premium routes and enterprise voice solutions.
  • Prioritised routing for critical use-cases.
  • Support for call centres and high-volume traffic.
  • Configuration aligned with your SLA and KPIs.

Fraud Detection & Protection

Security
Tools and processes to reduce fraud impact on your voice business.
  • Traffic monitoring, alerts and anomaly detection.
  • Dynamic blocking and blacklisting capabilities.
  • Improved experience for wholesale customers.
Why ALCE

Engineering-driven, partner-oriented.

Core focus
Voice & VoIP

We specialise in what we know best – international voice connectivity.

Switching
In-house

Full control over routing, capacity and feature roadmap via our own platform.

Numbering
EU

Local numbering assets tailored for voice-centric and MVNO deployments.

Support
24/7

NOC and technical support designed for carrier-grade expectations.

How we work
01
Discover & design

We evaluate your traffic, coverage and numbering requirements, then propose the right interconnection and MVNO enablement model.

02
Configure & test

Our team configures routing, numbering and fraud controls, then runs joint testing and acceptance with your engineers.

03
Launch & optimise

Once in production, we continuously monitor KPIs and work with you to improve quality, coverage and economics.

Industry presence

Meet us at carrier events worldwide.

We actively participate in key carrier and wholesale telecom events to stay close to partners and peers.

Get in touch

Get in touch with our team.

Address
Avenida da Liberdade 129 B
1250-140 Lisboa
Portugal
NOC & Support
Direct routing & quality desk via your Alcetelecom account manager.

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