User:DwayneP/Books/POTS

August 2010

 * Plain old telephone service
 * Public switched telephone network
 * Telephony
 * PSTN
 * PSTN network topology
 * Local loop
 * RJ11, RJ14, RJ25
 * DTMF
 * Category 1 cable
 * Twisted pair
 * Telephone jack
 * Echo cancellation
 * Voice frequency
 * Balanced line
 * Tip and ring
 * Telephone exchange
 * Telephone line
 * Dual-tone multi-frequency signaling
 * Dial tone