NAT feature on the VC120 can solve this problem. (Carry out each step via the remote control)
. Menu->Advanced(Admin Password:0000)->NAT/Firewall
. Select
【
Auto
】
from the
【
Type
】
pull-down list, the system will obtain public IP address automatically.
. If the system does not obtain a public IP address automatically, select
【
Manual Settings
】
from the
【
Type
】
pull-down list, and then enter the public IP address in the
【
Public IP Address
】
field.
Yealink Test Room IP:
117.28.251.50、117.28.251.51
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