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SIP Trunk - the connection for your telephone system

The connection that connects your SIP-enabled telephone system to the public telephone network. Make calls in crystal clear voice quality.
Starting from only CHF 20.90

Tariff and numbers

Tariff and numbers for Switzerland

Flat minute packets

More Savings with our flat rate

Your SIP Trunk in Switzerland

Unlock the full potential of your business with SIP trunking from Virtual-Call.

SIP Trunk for Switzerland

Increase your company's efficiency and save money! This innovative cloud telephony technology connects your existing IP-based telephone system to the public telephone network via Session Initiation Protocol (SIP), saving up to 70% on your telephone costs compared to traditional methods.

With unlimited channels and an intuitive web interface that lets you view reports and manage the performance of daily operations, it's never been easier. And with 100% uptime and the highest voice quality available, you can be sure that Virtual-Call will handle all your calls flawlessly.

Trunk 5
CHF 20.90 /Month
  • 5 Channels
  • In and outgoing
  • internal calls free of charge
  • MS Teams connection
  • Flat minutes packages
  • One-time setup fee
    CHF 100.00
  • * The Support Conditions of Virtual-Call apply
Trunk 10
CHF 35.90 /Month
  • 10 Channels
  • In and outgoing
  • internal calls free of charge
  • MS Teams connection
  • Flat minutes packages
  • One-time setup fee
    CHF 100.00
  • * The Support Conditions of Virtual-Call apply
Trunk 20
CHF 56.90 /Month
  • 20 Channels
  • In and outgoing
  • internal calls free of charge
  • MS Teams connection
  • Flat minutes packages
  • One-time setup fee
    CHF 100.00
  • * The Support Conditions of Virtual-Call apply
Bestseller!
Trunk 30
CHF 81.90 /Month
  • 30 Channels
  • In and outgoing
  • internal calls free of charge
  • MS Teams connection
  • Flat minutes packages
  • One-time setup fee
    CHF 100.00
  • * The Support Conditions of Virtual-Call apply
  • Included
  • Optional

- Minimum term 12 months

What is a SIP Trunk?

and how does it work?

A SIP trunk is a connection established over the Internet Protocol (IP) using the Session Initiation Protocol (SIP). A SIP connection is equivalent to a virtual version of an analog phone line. It connects an unlimited number of channels to your PBX for long-distance and international calls over a broadband Internet connection. And it does all this without any additional hardware.

The customer must configure the router accordingly to ensure voice quality and prioritize voice traffic over data-intensive activities such as downloading or streaming content. SIP trunking enables companies to make calls over the public switched telephone network (PSTN).

Innovative solution

for international alignment

How about connecting and managing your Swiss headquarters, international branches, and subsidiaries with just one connection. With Virtual-Call's cloud solution, you are well-positioned internationally. You can significantly reduce your administrative burden - with just one link, one contract, and one technical contact to connect your headquarters and your subsidiaries.

A great way to connect your company in Switzerland with branches in other countries with internal calls. Please take advantage of our volume minute packages and save even more. The minute packages are per trunk and not per channel. You've come to the right place if you also have branches abroad and need local telephony (including emergency calls and service numbers).

Why SIP Trunk from Virtual-Call?

Benefit from numerous advantages

Switch to a modern communication system already used by numerous companies worldwide.

We help you manage telephony costs with efficient and flexible solutions to optimize communications between your employees, customers, and suppliers.

100% availability

Calls are routed over overstable and highly secure geo-redundant SIP clusters in multiple data centers. Around-the-clock (24/7) monitoring.

No expensive investments

You don't need expensive hardware to set up our SIP trunks. The only requirement is an Internet connection with sufficient bandwidth.

High scalability and mobility

Trunk channels can add call channels at any time via the portal. SIP Trunks are available in 9 countries other than Switzerland. Easy connection to your international locations.

Minute packages per trunk

Our minute packages apply per trunk and are independent of the number of voice channels. Minute packages do not apply per channel with other providers.

Why SIP Trunk from Virtual-Call

The subtle difference

compared to other providers in Switzerland

With Virtual-Call's SIP Trunk, you have numerous advantages over other providers in Switzerland. You only need a single connection to connect your IP-PBX to your headquarters and branch offices abroad.

That equals less bureaucracy for your administrative and technical staff. We guarantee 100% availability, and our business rates offer bundled minutes per trunk (not per channel).

For your SIP Trunk

International phone numbers

Companies that operate both in Switzerland and internationally can use our international numbers and services to demonstrate the local presence that often plays a decisive role in business relationships. Expand your reach to new markets and take advantage of their growth potential.

Our numbers are available in many countries, so you're sure to find the perfect solution for your needs. Get in touch with us. We will be happy to advise you. Our team will help you set up an international landline or 0800 service number quickly and easily.

Häufig gestellte Fragen

Can I add channels at any time?

You can easily book additional channels for your SIP trunk via the web portal; the tracks are available immediately.

How do the minute flat packages for SIP Trunk differ from other providers?

The minute packages can only be purchased per voice channel with other providers, not so with Virtual-Call. Virtual-Call's flat minute packages are per trunk, regardless of the number of channels. With Virtual-Call, there is no need to buy additional channels to benefit from the cheap minute flat packages.

Where are the servers located?

Our SIP servers are clustered in Geo-redundant data centers in Zurich and Frankfurt, ensuring 100% availability.

What does to all three countries mean?

That means that you can call all three countries, Switzerland, Austria, and Germany, at the same rate on landline and mobile.

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