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Configuring the Voice Settings
PSTN (LINE Port)
Cisco SPA232D Administration Guide 130
4
Restrict Source IP If Lines 1 and 2 use the same SIP Port value and the
Restrict Source IP feature is enabled, the proxy IP address
for Lines 1 and 2 is treated as an acceptable IP address for
both lines. To enable the Restrict Source IP feature, select
yes. Otherwise, select no. If configured, the ATA will drop
all packets sent to its SIP Ports originated from an
untrusted IP address. A source IP address is untrusted if it
does not match any of the IP addresses resolved from the
configured
Proxy
(or
Outbound Proxy
if
Use
Outbound
Proxy
is yes).
Default setting: no
Referor Bye Delay Controls when the ATA device sends BYE to terminate
stale call legs upon completion of call transfers. Multiple
delay settings (Referor, Refer Target, Referee, and Refer-To
Target) are configured on this screen. For the Referor Bye
Delay, enter the appropriate period of time in seconds.
Default setting: 4
Refer Target Bye
Delay
For the Refer Target Bye Delay, enter the appropriate
period of time in seconds.
Default setting: 0
Referee Bye Delay For the Referee Bye Delay, enter the appropriate period of
time in seconds.
Default setting: 0
Re fer-To Ta r g e t
Contact
To contact the refer-to target, select yes. Otherwise,
select no.
Default setting: no
Sticky 183 If this feature is enabled, the IP telephony ignores further
180 SIP responses after receiving the first 183 SIP
response for an outbound INVITE. To enable this feature,
select yes. Otherwise, select no.
Default setting: no
Auth INVITE When enabled, authorization is required for initial incoming
INVITE requests from the SIP proxy.
Default setting: no
Field Description