Draytek Vigor3900 - Alg

Vigor3900 Series User’s Guide
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SIP ALG means Session Initiation Protocol, Application Layer Gateway. This option
allows 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 Description
Enable SIP ALG
Check the box to enable the Mirror function for the switch.
Refresh
Renew current web page.
Apply
Click it to save the settings.
Click Apply to save the settings.
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: (0)330 088 0195 Fax: +44 (0)1245 808299