Connect your own PBX,we do the rest.
You keep your own phone system and call over our network. We connect it for you personally and bring your number along. Not sure it fits? We will check it for you.
from€6.50per call channel per month, excl. VAT
- Keep your number
- Cancel monthly
- Dutch support
Why VoiceOne
Easy to connect, reliable to use
Stable connection
Redundant servers and encrypted connections. Works with all major PBXs, such as Asterisk, FreePBX and 3CX.
Scale whenever you want
Need more simultaneous calls? Adding or removing a channel takes no time. You only pay the monthly fee per channel.
Per minute or a flat rate
Don't call much? Choose Basic. Call a lot? With Unlimited you always know what it costs.
Keep your number
You keep your existing landline numbers. We handle the switch, nothing for you to do.

In plain terms
What is a SIP trunk?
Already have a phone system at the office? Then we connect it to our network over the internet. You keep your own equipment, but from now on you call over the internet instead of old-fashioned phone lines. That is usually a lot cheaper.
- We connect your PBX for you, personally
- Choose pay-per-minute or unlimited calling
- Extra call channels easy to add
Pricing
Pick your plan
Per call channel · adjust monthly · one-time €9.95 per phone number
SIP Trunk Basic
Call whenever you want and pay only for what you use.
€6.50 per channel / mo
- Pay per minute
SIP Trunk Unlimited
Unlimited calling for a flat monthly rate.
€29.95 per channel / mo
- Unlimited calling in the Netherlands
SIP Trunk Unlimited NL + EU
Unlimited calling in the Netherlands and the EU.
€46.95 per channel / mo
- Unlimited calling in the Netherlands and the EU
Call rates with Basic
With Basic you pay per call: a connection fee plus an amount per minute.
To landlines (NL)
€0.025 connection + €0.0189 per minute
To mobile numbers (NL)
€0.05 connection + €0.0832 per minute
No phone system yet?
With Hosted VoIP you get a complete phone system in the cloud, with an app for computer and phone.
Not sure your PBX fits? Let us take a look.
Asterisk, FreePBX, SBCs, codecs: that does not have to be your bread and butter. Send us the make and model of your PBX, and we will check whether it fits and set up the connection.
Works with
Is your PBX not listed? Just ask us, almost any SIP PBX fits.
Frequently asked questions
Everything about SIP trunking
Can't find your question? .
Rather not run your own PBX? See Hosted VoIP
Ready to order a SIP trunk?
We are happy to help you pick the right SIP trunk for your PBX.
Prefer to call? +31 88 733 7337