Napt Traversal - NEC Univerge SV8100 Features And Specifications Manual

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UNIVERGE SV8100

Default Setting

System Availability

All IP Multiline Terminals

Required Software

Required Component(s)

CPU with PZ-32IPLA/IPLB, PZ-64IPLA/IPLB or PZ-128IPLA/IPLB Daughter Board installed

NAPT Traversal

NAPT (Network Address Port Translation), is a method by which a private address or addresses and

their TCP/UDP ports are translated into a single public address and its TCP/UDP ports. The NAPT

feature gives the SV8100 the ability to "traverse" its own subnet. With NAPT, the network administrator

can place the CD-CP00-US and the IPLA/IPLB (VoIPDB) in the customers LAN while still making it

accessible to users outside the local LAN. The NAPT Feature also allows the IP terminals to be placed

in a local LAN in a remote network and be able to communicate back to the SV8100.

With Version 3000 ~ Version 5000 software, Port forwarding statements are required in the router that

the SV8100 resides behind as well as the router that the IP terminal/terminals resides behind. A

PZ-( )IPLA or PZ-( )IPLB can be used for NAPT transversal. Refer to the SV8100 Networking Manual

for detailed installation instructions on this feature.

IP Multiline Station (SIP)