Multiple choice technology

Which of the following interface types would you use in Cisco Router to connect an analog phone to the VoIP network?

  1. FXS

  2. FXO

  3. E&M

  4. E1

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

FXS (Foreign Exchange Station) interfaces connect analog devices like phones to VoIP networks, providing ring voltage and dial tone. FXO is for connecting to PSTN lines, E&M is for trunk connections between PBXs, and E1 is a digital carrier standard, not an analog interface type.