Answer
May 05, 2025 - 05:52 AM
FXS ports are essential for connecting analog devices, such as traditional telephones and fax machines, to your IP PBX system. They provide the flexibility to use existing equipment alongside modern VoIP technology. In the Grandstream UCM6300 Audio Series, options vary from the UCM6304A with 4 FXS ports to the UCM6308A with 8 FXS ports, allowing businesses to choose based on the number of analog devices they need to support.