Business telephony for companies in Switzerland

Cloud PBX, SIP Trunking, and Microsoft Teams telephony for Swiss business locations, with local numbers, technical support, and solutions designed around your existing IT environment.

Enterprise VoIP team meeting: Powerful cloud PBX and reliable SIP trunk solutions for businesses – connected, flexible and globally accessible.

Swiss business telephony

Cloud PBX and SIP Trunking for companies operating in Switzerland.

Local requirements

Swiss numbers and connectivity planned around your business location and setup.

Technical support

Discuss implementation and technical requirements with one point of contact.

English support

Technical communication in English for your Swiss business environment.

VoIP-Telefonie

Business communications built around your Swiss operations

Whether you want to move your phone system to the cloud, keep an existing PBX with SIP Trunking, or add telephony to Microsoft Teams, the right solution depends on your current infrastructure, locations, numbers, and users.

Virtual-Call brings these requirements together in a business communication environment designed for companies operating in Switzerland.

Business telephony solutions for Switzerland

Choose the approach that fits your existing infrastructure and your next technical step.

Cloud PBX

Manage users, numbers, and locations from one cloud environment, without operating a local PBX at each site.
Explore Cloud PBX

Business SIP Trunk

Keep your existing PBX and connect it to the public network through SIP, without replacing your phone system.
Explore Business SIP Trunk

Three steps to the right business telephony setup

From requirements to a controlled implementation

1. Assess your requirements

We review your existing phone system, users, numbers, locations, and integration requirements.

2. Configure and test

The selected Cloud PBX or SIP Trunk setup is prepared and checked against the agreed technical requirements.

3. Plan the migration

Numbers, users and the transition to the new environment are coordinated before go-live.

Manage your telephony centrally and efficiently

CENTRALISED BUSINESS TELEPHONY

Cloud PBX for companies in Switzerland

A cloud PBX brings users, numbers, and telephony functions into one centrally managed environment. It is suitable for companies that want to reduce dependence on a local PBX and manage business telephony across office, mobile, and remote workplaces.

Advanced communication functions, integrations, and AI-supported tools can be added according to your plan and operational requirements.

  • Manage users and phone numbers centrally
  • Connect office, remote and mobile workplaces
  • Organise multiple Swiss locations
  • Configure call routing and business hours
  • Connect compatible CRM and business systems
  • Use advanced and AI-supported functions where required

KEEP YOUR EXISTING PBX

Business SIP Trunk for Switzerland

A Business SIP Trunk connects your existing compatible IP PBX to the public telephone network without requiring you to replace the entire phone system.

Before migration, key requirements such as PBX compatibility, Swiss phone numbers, number portability, and simultaneous voice channels should be checked.

  • Keep your existing compatible IP PBX
  • Check compatibility before migration
  • Plan voice channels around simultaneous calls
  • Include Swiss numbers and portability requirements
  • Define local routing requirements
  • Integrate Microsoft Teams where required
SIP trunking features of Virtual-Call
What is a SIP Trunk and how does it work?

ADDITIONAL BUSINESS SERVICES

Extend your Swiss communications environment

Additional services for connectivity, collaboration, and business reach.

Microsoft Teams Direct Routing for business telephony

Microsoft Teams Direct Routing

Connect Microsoft Teams to external business telephony and integrate calling into your existing Microsoft environment.

Explore Teams telephony
NEU!
Business Internet for companies in Switzerland

Business Internet Switzerland

Symmetrical business internet for Swiss locations, with the option to combine connectivity and cloud PBX through Virtual-Call.

Check availability
Swiss and international business phone numbers

Swiss and international phone numbers

Add phone numbers for your Swiss business and, where required, numbers for operations in other markets. Local requirements are checked before activation.

Explore business phone numbers

One communication setup for your Swiss locations

Reduce the number of systems and providers your IT team has to coordinate

Business telephony becomes more difficult when phone systems, numbers, connectivity, and support are managed separately. Virtual-Call helps companies coordinate cloud PBX, SIP Trunking, business numbers, and, where appropriate, Business Internet within one communication environment.

  • Coordinate phone numbers and users centrally
  • Connect headquarters and branch locations
  • Reduce separate support paths
  • Add integrations according to your IT environment
 Centralised business communications for Swiss locations
Business telephony for office and mobile workplaces

Business telephony for office, remote and mobile work

Keep business numbers available across different workplaces

Employees do not need to depend on a single office desk to use business telephony. Depending on the configured setup, users can work with desktop and mobile clients while their business number and call routing remain centrally managed.

  • Office and remote workplaces
  • Desktop and mobile clients
  • Central number management
  • Call routing based on business requirements

Why Virtual-Call for business telephony in Switzerland?

Technical criteria for a more manageable communication environment

Swiss market experience

Solutions designed around Swiss numbers, local connectivity, and business requirements.

Existing infrastructure considered

Cloud PBX, SIP Trunking, and integrations are evaluated against your current technical environment.

One technical point of contact

Coordinate telephony requirements without moving each technical question between different providers.

What does your business need next?

Replace your phone system

Move your business telephony to cloud PBX.
Explore Cloud PBX

Keep your existing PBX

Modernise connectivity with Business SIP Trunk.
Explore Business SIP Trunk

Add calling to Teams

Connect Microsoft Teams with Direct Routing.
 
Explore Teams telephony

Connect your Swiss location

Check business internet availability.
Check availability

Capabilities for professional business requirements

Central administration

Manage users, numbers, and communication settings from a central environment.

Reporting

Use available call and usage data to understand business telephony activity.

Multi-site telephony

Organise users and numbers across different Swiss business locations.

Routing requirements

Configure call paths according to business hours, users, and operational scenarios.

System integration

Connect compatible CRMs, Microsoft, and business applications where required.

Technical support

Discuss configuration, migration, and operational questions with a technical contact.

What our SME customers say

Success stories of Swiss companies

Thanks to the mobile app, our employees can take calls both in the office and when working from home. Setting up new devices was child's play.

Dominik Tschochner from KMU Trexpert AG
— Dominik Tschochner
Managing Director KMU Trexpert AG

The virtual switchboard offers us flexibility and independence at significantly lower costs. We are very satisfied with the technical solution and the service.

Jörg Rust, Webworker Company GmbH
— Jörg Rust

First-class advice and a good connection. As an international company based in Switzerland, we appreciate the local telephone numbers and low costs.

Intervilla
— Urs Pavoni

SMEs that trust cloud telephony from Virtual-Call

Connect headquarters and branches with fewer providers to manage

One provider

Coordinate telephony and connectivity for headquarters and branches through Virtual-Call.

One contract

Reduce separate agreements when services and locations can be consolidated with Virtual-Call.

One invoice

Simplify administration with consolidated billing for eligible services and locations.

3 support languages

Technical communication in English, German, and Portuguese.

Which solution fits your Swiss business environment?

Tell us about your locations, users, phone system, and connectivity requirements. We will help you identify whether Cloud PBX, SIP Trunking, Microsoft Teams telephony, or Business Internet fits your next technical step.

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