![](/images/new-backgrounds/1310221/31022151x1.webp)
Figure below shows the possible usage ports for the IPF-2002L. Please contact to the network administrator or MIS person to open these ports on the NAT/Firewall device:
•register port: for TCP/UDP protocol
•signal port: for TCP/UDP protocol
•control port: for TCP/UDP protocol
•rtp port: for UDP protocol
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