Yeastar Certified SIP Trunk Providers – Poland

These Polish SIP trunk providers have been tested and certified by Yeastar.

FreePhone

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.

FreePhone
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

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.

Italy_ITSP_z4o_logo
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