Draytek Vigor3900 - Page 199

Vigor3900 Series User’s Guide
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The H.323 ALG allows incoming and outgoing VoIP calls passing through NAT. If required,
check the box and 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