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3CX SIP Trunk Providers – Poland

The below Polish SIP Trunk Providers have been tested and certified by 3CX. With no manual configuration required you can just plug and play your PBX with a SIP Trunk of your choice. Preferred SIP Trunk providers are tested against each build of 3CX. Both parties are committed to providing end-to-end support to the Polish customers who choose to use the combination of 3CX with a preferred SIP Trunk.

Supported Providers

Polish SIP Trunk 3S Telefonia is added to 3CX V15.5
Provider 3S Telefonia
Support Cooperation Yes
Provider Type Register Based
Fax Support T38 Bypass
SI Mode Yes – Static (Single Account Support)
Clip No Screening Support No
Anonymous Calling No
DTMF Support (RFC2833) Yes
IPV6 Ready No
Online Sign-Up Possible? No
Online Trunk-Management Portal? No
Link to Support Document View
302 Diversion Support Yes
Included in Auto-Testing  No
NASK SA is a Polish SIP Trunk Provider which is now supported by 3CX
Provider NASK SA
Support Cooperation Yes
Provider Type Register Based
Fax Support T38 Bypass
SI Mode Yes – Automata
Clip No Screening Support Yes
Anonymous Calling Yes
DTMF Support (RFC2833) Yes
IPV6 Ready No
Online Sign-Up Possible? No
Online Trunk-Management Portal? Yes
Link to Support Document View
302 Diversion Support Yes
Included in Auto-Testing  No

Free for up to 1 year! Select preferred deployment:

On-Premise

for Linux on a $200 appliance or as a VM

Get the ISO

On-Premise

for Windows as a VM

Download the setup file

On the cloud

In your Google, Amazon, Azure account

Take the PBX Express