4
T A L K S W I T C H V O I P N E T W O R K C O N F I G U R A T I O N G U I D E
Setting the public IP address
If you are setting up an external IP extension, or the SIP server of a multi-branch VoIP network, you
must configure a public IP address for the system. Some service provider VoIP networks also require
the system to have a public IP address.
1. Set the
Type of public address
. Choices are:
•
Dynamic public IP address
— This is the default setting. Your ISP (Internet Service Provider)
will assign different public IP addresses to your location. The system will check its public IP
address every few minutes. When the public IP address changes, the system will automatically
use the new one, in order to manage VoIP calls properly.
•
Static public IP address
— A static IP address is fixed. Your Internet Service Provider assigns
the static IP address. If this location will have the SIP server for a multi-branch VoIP network,
we recommend using a static IP address.
If
Static public IP address
is selected, the window allows you to enter the
Current public
IP address
.
Y
Z
X