• Signal default is loop start
• cptone - Call Progress tone
• ring cadence pattern01 = US

voice-port 0/2/0
  signal ground-start
  cptone GB
  ring cadence pattern01
  no shut

• Initial - time to provide dial-tone
• hookflash
  • Pressing flash button (essentially going on-hook and off-hook) to invoke a feature
  • Timer use to distinguish btw actually hanging up

voice-port 0/1/0
  timeouts initial <secs>
  timeouts interdigit <secs>
  timeouts ringing <secs>
  timing hookflash-in <ms>