Administrator’s Guide for SIP-T5 Series Smart Media Phones
94
to the port written into the topmost “Via” header of the request message. However, this
behavior is not desirable when the client is behind a Network Address Translation (NAT) or
firewall. So a new parameter “rport” for the “Via” header field is required.
, allows a client to request that the server sends the response back
to the source port from which the request came. Rport feature depends on support from a SIP
server.
Procedure
Rport feature can be configured using the following methods.
Central Provisioning
(Configuration File)
<MAC>.cfg
Configure NAT Rport feature on a
per-line basis.
Parameter:
account.X.nat.rport
Web User Interface
Configure NAT Rport feature on a
per-line basis.
Navigate to
:
http://<phoneIPAddress>/servlet?
m=mod_data&p=account-adv&q
=load&acc=0
Details of Configuration Parameter:
Parameter
Permitted
Values
Default
account.X.nat.rport
0, 1 or 2
0
Description:
Enables or disables NAT Rport feature for account X.
0
-Disabled
1
-Enabled
2
-enable direct process
X ranges from 1 to 16 (for SIP-T58V/T58A/T56A)
X is equal to 1 (for CP960)
Web User Interface:
Account->Advanced->RPort
Phone User Interface:
None
Содержание CP969
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