Analog FXO Trunk Overview

This topic describes what is analog FXO trunk and usages of analog FXO trunk.

What is analog FXO trunk

An analog FXO trunk is a telephone line that connects your PBX and the Public Switched Telephone Network (PSTN) or a traditional PBX.

  • Connect FXO port of Yeastar P-Series PBX System and a PSTN provider

    Extension users can make and receive calls with the external users through the trunk.

  • Connect FXO port of Yeastar P-Series PBX System and FXS port of a traditional PBX

    A company can integrate their legacy PBX with Yeastar P-Series PBX System to utilize the benefit of VoIP easily and achieve cost-effective communication.