Business telephony you can customize

Your own VoIP PBX or voice services — developed and operated in-house since 2013. No reseller dependency, no hidden fees, with support in Czech and English.

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We respond within 24 hours on business days

In-house development since 2013 30+ references 99.9% uptime TIER 4 datacenter Czech company, direct support

What we do

PBX (Private Branch Exchange)

Hardware, software, or cloud. We develop the PBX ourselves — custom modifications are standard, not an add-on. All features included in the base license.

CloudHWSW

Voice Services (SIP Trunk)

We port your existing numbers or assign new ones. Calls with no monthly fee or with a discounted tariff. Network monitored in real time.

BasicComfortBusiness

Complete VoIP Solutions

Design, delivery, installation, configuration, and ongoing support. A single point of contact for your entire business telephony — from hardware selection to system migration.

Custom

Why companies choose VoIPSUN

We're not a reseller

We build the PBX from the ground up. When you need a modification, we don't refer you to the manufacturer — we do it ourselves.

You pay for capacity, not features

All features are included in the base license. Variants differ only in hardware capacity — no premium modules.

Direct support, no runaround

You work with an engineer, not a helpdesk. Fast response, personal approach.

Multiple locations, one PBX

We connect branches across the Czech Republic and abroad.

Voice Services — Tariff Overview

Calls within the VoIPSUN network are free on all tariffs. No peak or off-peak rates — one price all day.

Recommended

Basic

0 CZK /month excl. VAT

Basic tariff with no monthly fee. Suitable for low-volume usage or as a backup line.

Landline: 0.87 CZK/min (1.05 CZK incl. VAT)
Mobile: 1.24 CZK/min (1.50 CZK incl. VAT)
Activation: 300 CZK (363 CZK incl. VAT)
Within VoIPSUN: free

Comfort

80 CZK /month excl. VAT 96.80 CZK incl. VAT

The most popular choice for companies with regular call volume. Lower per-minute rates, minimal monthly costs.

Landline: 0.66 CZK/min (0.80 CZK incl. VAT)
Mobile: 1.05 CZK/min (1.27 CZK incl. VAT)
Activation: 200 CZK (242 CZK incl. VAT)
Within VoIPSUN: free

Business

120 CZK /month excl. VAT 145.20 CZK incl. VAT

Lowest per-minute rate, free activation. Designed for companies with higher call volumes.

Landline: 0.58 CZK/min (0.70 CZK incl. VAT)
Mobile: 0.99 CZK/min (1.20 CZK incl. VAT)
Activation: 0 CZK (0 CZK incl. VAT)
Within VoIPSUN: free

All prices are excluding VAT. VAT rate is 21%.

Who trusts our systems

Over the past 10+ years, we have implemented VoIP solutions for businesses of all sizes — from small companies to large corporations and telco operators.