Fanvil C58 User Manual page 56

Field name
Phone number
Destination
Port
Alias
Note: There are four types of aliases.
1) Add: xxx, it means that you need dial xxx in front of phone number, which
will reduce dialing number length.
2) All: xxx, it means that xxx will replace some phone number.
3) Del: It means that phone will delete the number with length appointed.
DIAL PEER
explanation
There are two types of matching conditions: one is full
matching, the other is prefix matching. In the Full
matching, you need input your desired phone number
in this blank, and then you need dial the phone number
to realize calling to what the phone number is mapped.
In the prefix matching, you need input your desired
prefix number and T; then dial the prefix and a phone
number to realize calling to what your prefix number
is mapped. The prefix number supports at most 30
digits.
Set Destination address. This is optional config item.
If you want to set peer to peer call, please input
destination IP address or domain name. If you want to
use this dial rule on SIP2 line, you need input
255.255.255.255 or 0.0.0.2 in it.SIP3 into 0.0.0.3
Set the Signal port, the default is 5060 for SIP.
Set alias. This is optional config item. If you don't set
Alias, it will show no alias.