Mine

devel64*CLI> iax2 show channels
Channel               Peer             Username    ID (Lo/Rem)  Seq (Tx/Rx)  Lag      Jitter  JitBuf  Format
IAX2/liver@liver-4    192.168.10.1     liver       00004/00025  00036/00047  00040ms  -0001ms  0000ms  ulaw
IAX2/pdialer-9        192.168.10.150   pdialer     00009/00010  00008/00010  00040ms  0003ms  0059ms  ulaw
IAX2/pdialer@pdialer  192.168.10.150   pdialer     00010/00009  00010/00008  00059ms  0000ms  0040ms  unknow
IAX2/liver-11         192.168.10.1     devel64     00011/00006  00007/00009  00040ms  -0001ms  0000ms  ulaw
4 active IAX channels
devel64*CLI> !ping 192.168.10.1
PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data.
64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 time=0.215 ms
64 bytes from 192.168.10.1: icmp_seq=2 ttl=64 time=0.187 ms
64 bytes from 192.168.10.1: icmp_seq=3 ttl=64 time=0.174 ms
64 bytes from 192.168.10.1: icmp_seq=4 ttl=64 time=0.187 ms
64 bytes from 192.168.10.1: icmp_seq=5 ttl=64 time=0.175 ms

--- 192.168.10.1 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4000ms
rtt min/avg/max/mdev = 0.174/0.187/0.215/0.021 ms