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Configuring the Voice Settings
SIP
Cisco SPA232D Administration Guide 72
4
NAT Support Parameters
G729b Codec
Name
G.729b codec name used in SDP.
Default setting: G729ab
EncapRTP Codec
Name
EncapRTP codec name used in SDP.
Default setting: encaprtp
Field Description
Handle VIA
received
If you select yes, the ATA processes the received
parameter in the VIA header (this value is inserted by the
server in a response to any one of its requests) If you
select no, the parameter is ignored. Select yes or no from
the drop-down menu.
Default setting: no
Handle VIA rport If you select yes, the ATA processes the rport parameter
in the VIA header (this value is inserted by the server in a
response to any one of its requests) If you select no, the
parameter is ignored. Select yes or no from the drop-
down menu.
Default setting: no
Insert VIA
received
Inserts the received parameter into the VIA header of SIP
responses if the received-from IP and VIA sent-by IP
values differ. Select yes or no from the drop-down menu.
Default setting: no
Insert VIA rport Inserts the parameter into the VIA header of SIP
responses if the received-from IP and VIA sent-by IP
values differ. Select yes or no from the drop-down menu.
Default setting: no
Substitute VIA
Addr
Lets you use NAT-mapped IP:port values in the VIA header.
Select yes or no from the drop-down menu.
Default setting: no
Send Resp To Src
Port
Sends responses to the request source port instead of the
VIA sent-by port. Select yes or no from the drop-down
menu.
Default setting: no
Field Description