ZyXEL Communications P-334WT Support Notes page 61

IP Address Assignment
IP Address
Network Address
Translation
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Choose 'Dynamic' if the PPTP server provides the IP dynamically,
otherwise choose 'Static'.
Enter the IP address supplied by the PPTP server if it provides the IP
stactically.
Set this field to 'Yes' to enable the Single User Account feature for your
Prestige 324. Use the space bar to toggle between 'Yes' and 'No'.