Vigor2132 Series User’s Guide
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ALG means
Application Layer Gateway
. There are two methods provided by Vigor router,
RTSP (Real Time Streaming Protocol) ALG and SIP (Session Initiation Protocol) ALG, for
processing the packets of voice and video.
RTSP ALG makes RTSP message, RTCP message, and RTP packets of voice and video be
transmitted and received correctly via NAT by Vigor router.
However, SIP ALG makes SIP message and RTP packets of voice be transmitted and received
correctly via NAT by Vigor router.
Available settings are explained as follows:
Item Description
Enable ALG
Check to enable such function.
Listen Port
Type a port number for SIP or RTSP protocol.
TCP
Check the box to make correspond protocol message packet
from TCP transmit and receive via NAT.
UDP
Check the box to make correspond protocol message packet
from UDP transmit and receive via NAT.
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Страница 232: ...Vigor2132 Series User s Guide 224 After finishing all the settings here please click OK to save the configuration...
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Страница 349: ...Vigor2132 Series User s Guide 341 After finishing all the settings here please click OK to save the configuration...
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