* Work with external power adapter * Auto hunting function for skipping unavailable gateway * Support Polar Reversal signal penetrating through * Work with low line voltage * Store up to 8 different phone cards and access number * Local/ remote configuration with DTMF key entry from standard telephone set * Same PIN re-use * Plug directly between wall jack and a telephone set * Re-route or Dial-around long distance calls with optional selective op-out * Pass through all toll-free local and service calls * Smart programming for additional custom features * Eliminate user mistakes in dialling access number and PIN code