I met a problem when configuring a fax
the sample about the Virtual Fax
Virtual Fax Name:FAX1
Fax Extension (IAX): 901
Secret (IAX):123456fax
the sample about the IAX2 Extension
User Extension:901
Display Name:FAX1
SIP Alias:901
Secret :123456fax
IAX2 901 does not allocate IP
Use Asterisk-Cli tools ：iax2 show peers
Receive a reply：
Name/Username Host Mask Port Status Description
901 (null) (D) 255.255.255.255 0 UNKNOWN
1 iax2 peers [0 online, 1 offline, 0 unmonitored]
the IAX2 cannt be online
