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3.4.5.1 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 8] is set to [Yes], or when port numbers are specified in
[Channel 1–3].
• The global IP address will reflect SIP messages and RTP
packets.
Value Range IP address in dotted-decimal notation ("n.n.n.n" [n=0-255])
Default Value Not stored.
3.4.5.2 Enable Global IP Address Usage per Line
Line 1–Line 8
Description Selects whether to enable the NAT Traversal feature for each line.
Value Range
• Yes
• No
Default Value No
3.4.5.3 External RTP Port
Channel 1–3
Description Specifies the external RTP port number used for voice communication
for each channel.
Value Range 0, 1024–49150 (0: Disable, even number only)
Note
• Each channel must be set to a unique port number, and all port
numbers must be an even number.
• You cannot specify here the same port number as any of the
port numbers specified for the individual lines in [Source
Port] in 3.6.2.5 SIP Source Port. In addition, you cannot
specify a port number that is 1 less than a port number specified
in [Source Port] if the source port number is an odd number.
• All 3 channels must be set to either enable or disable at the
same time.
Default Value 0
72 Administrator Guide Document Version 2010.03.15
3.4.5 Static NAPT Settings