[Asterisk-Users] IAXphone -> ip address -> extension number.

[Time Bandit]

> *CLI> iax2 show peers
> Name/Username    Host                 Mask             Port      Status
> z2               (Unspecified)   (D)  255.255.255.255  0         Unmonitored
> z1               (Unspecified)   (D)  255.255.255.255  0         Unmonitored

>From this, you can see that none of the IAX phones are registered.

Under Host, the IP of the phone should be shown, instead of Unspecified

check the config of the phones, they are not registering with Asterisk

hth