Operation Manual

Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 244
A
NAT Support Parameters
G729b Codec Name G.729b codec name used in SDP.
Defaults to G729ab.
G722 Codec Name G.722 codec name used in SDP.
Defaults to G722.
NOTE Not supported on the Cisco WIP310.
EncapRTP Codec Name EncapRTP codec name used in SDP.
Defaults to encaprtp.
Parameter Description
Parameter Description
Handle VIA received If you select yes, the phone processes the
received parameter in the VIA header (this is
inserted by the server in a response to any of its
requests). If you select no, the parameter is
ignored. Select yes or no from the drop-down
menu.
Defaults to no.
Handle VIA rport If you select yes, the SPA9000 processes the
rport parameter in the VIA header (this is inserted
by the server in a response to any of its requests).
If you select no, the parameter is ignored. Select
yes or no from the drop-down menu.
Defaults to 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.
Defaults to no.
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