Answer
Apr 07, 2025 - 05:50 AM
FXS ports allow you to connect analog devices like traditional telephones and fax machines to your IP PBX. The choice of FXS ports should be based on how many analog devices you plan to use. The Grandstream UCM6308 provides 8 FXS ports, ideal for environments with numerous analog devices. Similarly, the Grandstream UCM6304 offers 4 FXS ports, making it a good fit for moderate analog device usage. The Grandstream UCM6304A also provides 4 FXS ports, offering another option for businesses with traditional telephony needs.
