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Analog Gateway User Manual
OpenVox Communication Co. ,LTD.
40
used in SIP and SDP messages.Examples:
External Address = 12.34.56.78
External Address = 12.34.56.78:9900
External Hostname
The external hostname (and optional TCP port) of the NAT.
External Hostname = hostname[:port] is similar to External Address.
Examples:
External Hostname = foo.dyndns.net
Hostname Refresh
Interval
How often to perform a hostname lookup. This can be useful when your
NAT device lets you choose the port mapping, but the IP address is
dynamic. Beware, you might suffer from service disruption when the name
server resolution fails.
4.4.1.2 RTP Settings
Table 4-4-3 Definition of NAT Settings Options
Options
Definition
Start of RTP Port Range
Start of range of port numbers to be used for RTP.
End of RTP port Range
End of range of port numbers to be used for RTP.
RTP Timeout
4.4.2 Parsing and Compatibility
Table 4-4-4 Instruction of Parsing and Compatibility
Options
Definition
Strict RFC
Interpretation
Check header tags, character conversion in URIs, and multiline headers for
strict SIP compatibility(default is yes)
Send Compact Headers
Send compact SIP headers