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