IP PBXs USER MANUAL
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If you want some host or client to always get the same IP address,
IP Address Reservation
will help.
Just simply specify the MAC address of the client device and associate an IP address with it, and this IP will always be reserved for this
specific client device.
12.3.8
DDNS
Path:
System -> Network Settings -> DDNS
Unlike DNS that only works with static IP addresses, DDNS (Dynamic Domain Name Server) is designed to also support dynamic IP
addresses, such as those assigned by a DHCP server.
Built-in DDNS feature on IPPBX system only requires you to sign up with a Dynamic DNS provider, then with the domain name they
provide which maps your IP address on the Internet, you can access IPPBX and also other services within your LAN via the domain name
without needing to know your Dynamic public IP Address.
After setting DDNS, IP PBX phone services can be accessed from remote site via the domain name which your DDNS provider supplied
you. Also remote management is possible, even without a static public IP.
IPPBX system supports the following DDNS service providers:
http://dyn.com/
http://www.noip.com/
http://www.zoneedit.com/
http://www.oray.com/
http://www.3322.net
http://freedns.afraid.org/
Sign up to one of these DDNS service providers’ website and subscribe a dynamic domain name. Once you have your account details,
register it here and you DDNS domain will work with the IPPBX system.