asterisk cli command sip show peers

Natted qualification ping (read sip qualify)
| Access |
IP of host of IP dynamic|Control |
name of sip user sip account (dhcp)| List (port, related to nat)
| | | | | | |
V V V V V V V
Name/username Host Dyn Nat ACL Port Status
717/717 172.31.2.121 D N 38841 OK (173 ms)
555/555 (Unspecified) D N 0 UNKNOWN
544/544 (Unspecified) D N 0 UNKNOWN
496/496 172.16.17.204 D N 11314 OK (115 ms)
1922/1922 172.22.54.222 D 5060 OK (17 ms)