Sip Alg - Draytek Vigor3900 Series User Manual

4 . 3 . 4 S I P A L G
4 . 3 . 4 S I P A L G
SIP ALG means Session Initiation Protocol, Application Layer Gateway. This page
allows you to choose LAN and WAN profiles for Vigor router to make SIP message and
RTP packets of voice being transmitting and receiving correctly via NAT.
Available parameters are listed as follows:
Item
Enable This Profile
LAN Interface
WAN Interface
Refresh
Apply
Click Apply to save the settings.
Description
Check the box to enable the Mirror function for the switch.
Choose one of the LAN profiles.
Choose one of the WAN profiles.
Renew current web page.
Click it to save the settings.
128 Vigor3900 Series User's Guide