STUN Server Port
Description Specifies the port number of the STUN server.
Value Range 1–65535
Default Value 3478
Configuration File Reference STUN_SERV_PORT (Page 177)
4.3.5 Static NAPT Settings
This screen allows you to configure the NAPT (Network Address Port Translation) settings. If the unit is
connected behind a router that uses NAT/NAPT to translate private IP addresses, global IP addresses, VoIP
packets might be blocked by the router, depending on the SIP server. To avoid this problem, this setting is
required. For details, see 1.1.7.2 NAT (Network Address Translation) Setup.
4.3.5.1 Global IP Address
Global IP Address
Description Specifies the global IP address of your network.
Note
• You must enter a value in this field if at least 1 of [Line 1]–
[Line 4] is set to [Yes], or when port numbers are specified in
[Channel 1–25].
• The available line number and the channel number vary
depending on the type of the unit being used.
• The global IP address will reflect SIP messages and RTP
packets.
80 Administrator Guide Document Version 2011-06
4.3.5 Static NAPT Settings
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