ZyXEL Communications LTE7461-M602 User Manual page 105

Chapter 9 Network Address Translation (NAT)
The following table describes the fields in this screen.
Table 38 Network Setting > NAT > ALG
LABEL DESCRIPTION
SIP ALG Click this (switch turns blue) to make sure SIP (VoIP) works correctly with port-forwarding and
address-mapping rules. Otherwise, click this to turn off (switch turns gray) the SIP ALG.
PPTP ALG Click this to turn on (switch turns blue) the PPTP ALG on the Zyxel Device to detect PPTP traffic
and help build PPTP sessions through the Zyxel Device's NAT.
Apply Click Apply to save your changes back to the Zyxel Device.
Cancel Click Cancel to restore your previously saved settings.
LTE7461-M602 User's Guide
104