14 Matrix ETERNITY NE Quick Start
If ETERNITY NE is connected to a Private Network (Behind the NAT),
• Connect the Extended IP Phone, or any Open IP Phone to the LAN Switch.
• Register any SIP device (Extended IP Phone/ Softphone client or Open IP phone) on the public
network as SIP Extension. In this case, configure Port Forwarding for SIP and RTP on the
Router.
IP
LAN Switch/Hub
Ethernet
WAN
SLT Extensions
SIP Extensions
GSM/UMTS
LAN Switch/Hub
Ethernet
WAN
DSL Modem/
IP
SLT Extensions
SIP Extensions
SIP Extensions