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