ZyXEL Communications 2602HWL-DXA User Manual
Prestige 2602HWL-DxA Support Notes
All contents copyright (c) 2005 ZyXEL Communications Corporation.
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Is it possible to access a server running behind SUA from the outside
Internet? If possible, how?.........................................................................156
What DHCP capability does the Prestige support?....................................156
How do I used the reset button, more over what field of parameter will be
reset by reset button? .................................................................................157
What network interface does the new Prestige series support? .................157
How does the Prestige support TFTP?.......................................................157
Can the Prestige support TFTP over WAN? ..............................................157
How fast can the data go? ..........................................................................157
What is Multi-NAT? ..................................................................................158
When do I need Multi-NAT? .....................................................................158
What IP/Port mapping does Multi-NAT support? .....................................159
What is the difference between SUA and Multi-NAT? .............................160
What is BOOTP/DHCP?............................................................................160
What is DDNS?..........................................................................................161
When do I need DDNS service? ................................................................161
What DDNS servers does the Prestige support?........................................161
What is DDNS wildcard?...........................................................................161
Does the Prestige support DDNS wildcard?..............................................161
Can the Prestige SUA handle IPsec packets sent by the VPN gateway
behind Prestige? .........................................................................................162
How do I setup my Prestige for routing IPsec packets over SUA? ...........162
PSTN Lifeline FAQ ...........................................................................................162
What is P2602 and what is the difference between P2602HW and
P2602HWL? ..............................................................................................162
What does Lifeline mean? .........................................................................162
Do I need Lifeline? ....................................................................................162
Can I connect more than one phone on the phone port?............................163
Can I receive incoming PSTN call through P2602HWL- 6xC? ................163
Can I make an outgoing PSTN call through P2602HWL – 6xC? .............163
VoIP FAQ ...........................................................................................................163
What is Voice over IP? ..............................................................................163
How does Voice over IP work? .................................................................163
Why use VoIP? ..........................................................................................163
What is the relationship between codec and VoIP?...................................164
What advantage does Voice over IP can provide?.....................................164
What is the difference between H.323 and SIP?........................................164