Answer
Sep 16, 2026 - 02:37 PM
When choosing a Polycom Adapter, the number of FXS ports is crucial because it determines how many analog devices (like phones or fax machines) you can connect to your VoIP network. If you only need to connect a single device, a 1FXS port adapter like the Poly ATA 400 1FXS VP SIP VoIP Adapter is ideal for simplicity and cost-effectiveness. For small offices or situations where you want to connect two analog devices, a 2FXS port model such as the Poly ATA 402 2FXS VP SIP VoIP Adapter offers added flexibility. Having a range of 1 or 2 port options ensures you can select a device that matches your specific needs without overpaying for unused capacity.
