Is there a
Firewall?
Does network
use DHCP?
OK
Configure Firewall for Videoconferencing
• Open 1720 TCP port (incoming)
• Open 1718, 1719 UDP ports (incoming)
• Open 5004-6004 TCP and UDP ports
(outgoing/incoming)
• Forward traffic to MCU
• IP Address
• Subnet Mask
• Default Gateway
• Preferred DNS Server
• Alternate DNS Server
IPanel Settings
Firewall internal addresses
Source: Network admin
• IP Address
• Subnet Mask
• Default Gateway
• Preferred DNS Server
• Alternate DNS Server
IPanel Settings
Modem internal addresses
Source: ISP
Enable NAT
on MCU
YES
NO
NO
YES
YES
NO
B
A
B
C
MCU Network Setup for Public Internet
• The MCU is designed to videoconference over the public Internet. If possible, it is recommended
that you assign the MCU a static IP address outside your firewall.
• This will only have to be done once at initial system installation.
• This decision tree flow chart covers all of the common network configuration conditions. Go to the
next page for the detailed step-by-step actions required (items A, B, and C)
Does network
use DHCP?
YES
NO
A
Does firewall do NAT?
