Zyxel-communications P-2302HWL-P1 Series Bedienungsanleitung PDF herunterladen (Seite 20)

P-2302HW/HWL-P1 Series User’s Guide

20 Table of Contents

13.4.2 PSTN Phone To VoIP Phone ................................................................175

13.4.3 PSTN Phone To PSTN Phone via VoIP ................................................176

13.5 Trunking General Screen ...............................................................................176

13.6 Trunking Peer Call Screen .............................................................................177

13.7 Trunking Call Rule Screen .............................................................................179

13.8 VoIP Trunking Example: VoIP to PSTN ..........................................................181

13.8.1 Background Information ........................................................................181

13.8.2 Configuration Details: Outgoing ............................................................181

13.8.3 Configuration Details: Incoming ............................................................182

13.8.4 Call Progression ...................................................................................183

13.9 VoIP Trunking Example: PSTN to PSTN via VoIP .........................................184

13.9.1 Background Information ........................................................................184

13.9.2 Configuration Details: Outgoing ............................................................184

13.9.3 Configuration Details: Incoming ............................................................186

13.9.4 Call Progression ...................................................................................187

Chapter 14

Firewall..................................................................................................................189

14.1 Firewall Overview ..........................................................................................189

14.1.1 Stateful Inspection Firewall ...................................................................189

14.1.2 About the ZyXEL Device Firewall .........................................................189

14.1.3 Guidelines For Enhancing Security With Your Firewall ........................190

14.1.4 The Firewall, NAT and Remote Management .......................................190

14.1.4.1 LAN-to-WAN rules .......................................................................190

14.1.4.2 WAN-to-LAN rules .......................................................................191

14.2 Triangle Route ................................................................................................191

14.2.1 The “Triangle Route” Problem ..............................................................192

14.2.2 Solving the “Triangle Route” Problem ...................................................192

14.3 Firewall Screens .............................................................................................193

14.3.1 General Firewall Screen .......................................................................193

14.3.2 Firewall Services Screen .......................................................................194

Chapter 15

Content Filter........................................................................................................197

15.1 Content Filtering Overview ............................................................................197

15.2 Content Filtering Screens ...............................................................................197

15.2.1 Content Filter Screen ............................................................................197

15.2.2 Content Filter Schedule Screen.............................................................199

Chapter 16

Static Route ..........................................................................................................201

16.1 Static Route Overview ....................................................................................201

16.2 Static Route Screens ......................................................................................201

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Zyxel-communications P-2302HWL-P1 Series Bedienungsanleitung Seite 20