More of my IIUC study notes.  As always, feel free to correct.  I really need to have a real post, don’t I?

show voice port summary

  • Shows the voice ports available for use
R1#show voice port summary
                                          IN       OUT
PORT           CH   SIG-TYPE   ADMIN OPER STATUS   STATUS   EC
============== == ============ ===== ==== ======== ======== ==
50/0/1         1      efxs     up    up   on-hook  idle     y
50/0/1         2      efxs     up    up   on-hook  idle     y
50/0/2         1      efxs     up    up   on-hook  idle     y
50/0/2         2      efxs     up    up   on-hook  idle     y
50/0/3         1      efxs     up    up   on-hook  idle     y
50/0/4         1      efxs     up    up   on-hook  idle     y
50/0/5         1      efxs     up    up   on-hook  idle     y
  • An ephone-dn shows up as efxs, so all these are ephone-dns.
  • Channels are numbered 0-23; timeslots are numbered 1-24

FXS Ports