Cisco Systems WRP400 Manual Do Utilizador
Configuring the PSTN (FXO) Gateway on the SPA3102
Other Options
ATA Administration Guide
104
6
Other Options
This section describes other options provided by the ATA device. It includes the
following topics:
following topics:
•
•
•
PSTN Call to Ring Line 1
This feature allows a PSTN caller to ring Line 1. When the PSTN line rings, the
PSTN Line makes a local VoIP call to Line 1. If Line 1 is busy, it stops. After a given
number of rings, the VoIP gateway picks up the call.
PSTN Line makes a local VoIP call to Line 1. If Line 1 is busy, it stops. After a given
number of rings, the VoIP gateway picks up the call.
Symmetric RTP
The
Symmetric RTP
parameter is used to send audio RTP to the source IP and
port of the inbound RTP packets. This facilitates NAT traversal.
The following table lists symmetric RTP parameters.
Parameter
Web
Page
Page
Description
Value
Symmetric RTP
Line 1
Enable symmetric RTP operation. If enabled,
the ATA device sends RTP packets to the
source address of the last received valid
inbound RTP packet. If disabled, the ATA
device sends RTP to the destination as
indicated in the inbound SDP.
the ATA device sends RTP packets to the
source address of the last received valid
inbound RTP packet. If disabled, the ATA
device sends RTP to the destination as
indicated in the inbound SDP.
Yes or
No
No
The
default is
yes.
default is
yes.
Symmetric RTP
PSTN
Line
Line
Same as above for the PSTN line.
Yes or
No
No
The
default is
yes.
default is
yes.