Yeastar Certified SIP Trunk Providers – Poland
These Polish SIP trunk providers have been tested and certified by Yeastar.
FreePhone, founded in 2006, is a Polish VoIP provider, delivers across the country, innovative telephony service for residential and business customers. We currently offer our services to more than 50 resellers and 10,000+ end users. Our products include VoIP Trunking, DID Porting, Managed billing platform, Hosted PBX, and the full range of S-Series IP-PBX systems. We use the Yeastar systems for the easy to use web interface and rock-solid performance along with the extensive business features.
| Product | Provider Type | Supported Codec | Supported DTMF | Supported Fax Type | Support Document | Tested Version |
| P-Series Cloud Edition | Register Based | ulaw, alaw, gsm, speex, g722, g726, adpcm, g729a, H264 | RFC2833, Inband | Not Tested | View | 84.5.0.88 |
z4o Sp. z o.o., founded in 2021, is a dynamically growing technology company that offers modern solutions for business clients in Poland and Europe. Our offer includes innovative services in the installation and integration of communication systems, as well as the supply and configuration of telecommunications equipment. We collaborate with leading manufacturers such as Yeastar to deliver top-quality equipment and solutions. We serve clients from various sectors, offering comprehensive technical support, service, and the ability to customize our solutions to meet individual business needs.
| Product | Provider Type | Supported Codec | Supported DTMF | Supported Fax Type | Support Document | Tested Version |
| P-Series Software Edition | Register Based | alaw,ulaw,g722,g729a | RFC2833 | Not Tested | View | 83.16.0.70 |