Domain-Based SIP-TRUNK

Domain-based SIP integration: flexible, secure, and ready for the future of business communication

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What is the Domain-Based SIP-TRUNK?

The Domain-Based SIP-TRUNK enables an FQDN-based SIP connection between your systems and the public switched telephone network (PSTN). Compared to traditional IP-based solutions, it offers greater flexibility, scalability, and reliability

It is the ideal foundation for modern, hybrid, and cloud-based voice architectures.

Typical use cases:

  • Cloud telephony and UC platforms
  • AI voice solutions and voicebots
  • Contact centers and call centers
  • Voice analysis and automation
  • Hybrid environments (on-premises & cloud)

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The Benefits of the Domain-Based SIP-TRUNK

Direct SIP integration with external services
Connect voice systems, AI applications, or automation platforms directly to the telephone network via SIP.

Domain-based SIP control (FQDN)
Benefit from a modern, domain-based architecture instead of rigid IP dependencies. Ideal for dynamic cloud environments.

High availability through failover & load balancing
The Domain-Based SIP-TRUNK supports modern failover and load balancing concepts, enabling highly available voice platforms.

No changes to your telephony infrastructure
Existing PBX systems and equipment can continue to be used; the Domain-Based SIP-TRUNK seamlessly integrates into your environment.

Costs for Domain-Based SIP-TRUNK

Incoming and outgoing voice channels are limited.

Voice channelsPrice per voice channel
2–10CHF 2.50
11–20CHF 2.00
21–50CHF 1.50
51 and upCHF 1.00

(All prices include VAT.)

Security: Secure SIP integration without an open gateway

The Domain-Based SIP-TRUNK was designed for secure operation in professional environments:

  • Authentication via username and password
  • Unique trunk assignment
  • Protection against unauthorized registrations
  • No open SIP gateway

This ensures that only authorized systems can access your SIP trunk.

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Phone numbers

• Number porting: Keep your existing phone numbers.

• New numbers: Order Swiss or international phone numbers directly from peoplefone.

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Smartphone app

• The free peoplefone app is the perfect complement to your phone system.

• Use your office number on the go and stay reachable wherever you are—it’s that simple.

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peoplefone FLAT

You can sign up for flat-rate plans starting with 2 SIP trunk voice channels:

• A fixed monthly rate per voice channel.

• Includes minute packages for landline and mobile calls.

More info

What other customers have asked

Wie viel kostet ein SIP-Trunk?

Der Sip-Trunk ist kostenlos.

Welche Voraussetzungen sind notwendig, um meine Telefonanlage mit einem peoplefone SIP-Trunk zu verbinden?

Voraussetzungen für den peoplefone SIP-Trunk:

  • Internetverbindung: Stabile Verbindung mit ausreichend Bandbreite.
  • SIP-kompatible Telefonanlage: Z. B. 3CX, Mitel, Starface, Microsoft Teams.
  • SIP-Trunk-Konfiguration: Konfiguration gemäss den Anleitungen von peoplefone.

Welche Vorteile bietet der SIP-Trunk von peoplefone?

Der peoplefone SIP-Trunk bietet:

  • Unlimitierte kostenlose Sprachkanäle: Für ein- und ausgehende Gespräche.
  • Keine Setup-Kosten: Aktivierung ohne Einrichtungsgebühren. 
  • Günstige Gesprächskosten: Sie können zwischen minutengenauen Gesprächskosten oder einer FLAT-Rate wählen.
  • Kompatibilität: Der peoplefone SIP-Trunk ist mit einer Vielzahl von gängigen Telefonanlagen kompatibel.
  • Einfache Integration: Ihre bestehende Telefonanlage lässt sich in wenigen Minuten aufrüsten und mit dem peoplefone SIP-Trunk verbinden.

How can we help you?

Open a demo account

In just a few minutes, you can open a free trial account, configure your system using the SIP settings, and start testing right away with trial credits and trial numbers.

Open a demo account

Contact us

We’d be happy to assist you, or you can fill out our quote request form and we’ll get back to you.

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Let yourself be inspired

Many customers and partners use peoplefone on their phone systems. Read more about their experiences.

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