The IP address of a phone which you want to call 
Description with this dial rule. 
Setting the Port with this dial rule, default is 5060. 
The number that you actually need to press if you want to call the 
phone 
There are two options, Enable or Disable. 
In which position you want insert the number 
The number you want to insert 
There are two options, Enable or Disable. 
NOTES: If you want to know more details about Dial Rule, please find it in the official 
website to download the specific document. 
6.7  IP Strategy 
You can use the IP Strategy feature to make a list which can be set to only allow the incoming 
call on the list. 
For example, in the following picture, if 192.168.0.248 is in the list when you open this feature, 
it means you only allow incoming calls from this IP address.