Welltech VoIP ATA series V.303 - Manual (Page 44)

ATA Web user guide
Welltech Technology Co., Ltd.
44 / 114 2015/1/8
Item Decription
Off Line Default is Disable. The Off Line function will be activate when
you set it to enable. It provides two options: Disable and Enable.
NOTE: Please make sure your DDNS provider supports this
feature when you set it to enable.
Submit [button] Save the configuration.
*: 1.Not all DNS providers can support this function. If you want to use this function,
please contact with your provider.
2.Query DNS data did not update in real time because of the DNS server updated cycle
time. Please make sure the DNS server updated correct time or login DNS server to
check if the IP address is correct or not.