Prestige 2602HWL-DxA Support Notes

Can H.323 and SIP interoperate with one another?

164

What is voice quality?

164

How are voice quality normally rated?

164

What is codec?

165

What is the relation of codec and VoIP?

165

What codec does Prestige support?

165

Which codec should I choose?

165

What do I need in order to use SIP?

165

Unable to register with the SIP server?

166

I can register but can not establish a call?

166

I can make a call but the voice only goes one way not bothway?

166

I can receive a call but the voice only goes one way not bothway?

166

If all the about have been tried, but register still fail what should I do?....

167

I suspect there is a hardware problem with my Prestige what should I do?167

Firewall FAQ

167

What is a network firewall?

167

What makes Prestige firewall secure?

167

What are the basic types of firewalls?

168

What kind of firewall is the Prestige?

168

Why do you need a firewall when your router has packet filtering and

 

NAT built-in?

169

What is Denials of Service (DoS)attack?

169

What is Ping of Death attack?

169

What is Teardrop attack?

169

What is SYN Flood attack?

169

What is LAND attack?

170

What is Brute-force attack?

170

What is IP Spoofing attack?

170

What are the default ACL firewall rules in Prestige?

170

How can I protect against IP spoofing attacks?

171

Content Filter FAQ

172

IPSec FAQ

172

What is VPN?

172

Why do I need VPN?

173

What are most common VPN protocols?

173

What is PPTP?

173

What is L2TP?

174

 

5

All contents copyright (c) 2005 ZyXEL Communications Corporation.

 

Page 5
Image 5
ZyXEL Communications 2602HWL-DXA manual Prestige 2602HWL-DxA Support Notes