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VoIP telephony with 3CX

Your own phone system with 3CX, running on a server at Netsource, on your own server or hosted by 3CX. You buy the licence from Netsource as a 3CX partner at 3CX's list price, and we take care of set-up and support. 3CX charges an annual price for the whole system, not per user.

01

Your Benefits

4 points
B.01

You pay one annual price for the whole system. It depends on the number of simultaneous calls, not on users or months.

B.02

You make calls from a desk phone, the browser, Windows or the app for iOS and Android, always under your business number.

B.03

You decide where the system runs (a server at Netsource in Germany, a server on your premises or hosting by 3CX) and choose the telephony provider for the SIP trunk.

B.04

Licence, set-up and support come from one provider. Netsource is a 3CX Bronze Partner.

02

Service scope

9 Building blocks
L.01

Advice on the edition (Basic, Pro or AI) and the number of simultaneous calls

L.02

Purchase and renewal of the annual 3CX licence via Netsource

L.03

Installation on a server at Netsource or on your server, or set-up of hosting by 3CX

L.04

Set-up of extensions, ring groups, IVR, announcements and voicemail

L.05

Connection of your telephony provider's SIP trunk, keeping your existing numbers

L.06

Set-up of desk phones and the 3CX apps for Windows, browser, iOS and Android

L.07

On request, integration with Microsoft 365 and CRM systems (Pro edition and above) and with Microsoft Teams via Direct Routing (AI edition)

L.08

Configuration handed over as a PDF after commissioning

L.09

Changes such as a new extension, ring group or announcement are made by the Netsource service desk

€

What does your 3CX system cost?

Cost calculator

3CX charges one annual price for the whole system, depending on edition and number of simultaneous calls. We calculate with the 3CX list prices, without mark-up. Operation comes on top: on a server with us, on your own server or hosted by 3CX.

Note The calculator needs JavaScript. You can find the list prices directly at 3CX: 3cx.de. We are happy to put together a quote for you: Get in touch.

Licence and hosting by 3CX: 3CX list price as of 06.11.2026, price list on 3cx.de. 3CX charges annual prices; the monthly value is calculated. 3CX may change its prices at any time; our quote is binding. All prices include statutory VAT; net prices for businesses in brackets. Our offers are aimed exclusively at businesses (entrepreneurs within the meaning of Section 14 of the German Civil Code, BGB).

03

Requirements and exclusions

What is needed and what is not included

→ Prerequisites

  • A stable internet connection at the site, at least 100 kbit/s per simultaneous call
  • Server at Netsource, your own server or virtual machine with Windows or Linux, or hosting by 3CX
  • A telephony provider's SIP trunk for your numbers
  • A local network with QoS or a dedicated VLAN for VoIP is recommended
  • Maintenance contract, if you need a guaranteed response time

✗ Not included

  • Phone line, SIP trunk and call charges are provided by your telephony provider, not by Netsource.
  • Hosting by 3CX or the server at Netsource comes on top of the licence.
  • A cloud phone system with a contract directly with the provider is the NFon building block (NDS-WP-NFON).
  • Desk phones are procured separately.
  • Cabling and network set-up on site are handled by our workshop service and are not part of this building block.
[ NDS-WP-3CX ] [ netsource.de ]
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In 30 minutes we work out whether this service suits you. Free and without obligation.