ZyXEL Communications P-2302HW-P1 Series User Manual page 20

P-2302HW/HWL-P1 Series User's Guide
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
13.9 VoIP Trunking Example: PSTN to PSTN via VoIP .........................................184
Chapter 14
Firewall.................................................................................................................. 189
14.1 Firewall Overview ..........................................................................................189
14.2 Triangle Route ................................................................................................191
14.3 Firewall Screens .............................................................................................193
Chapter 15
Content Filter ........................................................................................................ 197
15.1 Content Filtering Overview ............................................................................197
15.2 Content Filtering Screens ...............................................................................197
Chapter 16
Static Route .......................................................................................................... 201
16.1 Static Route Overview ....................................................................................201
16.2 Static Route Screens ......................................................................................201
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13.4.2 PSTN Phone To VoIP Phone ................................................................175
13.4.3 PSTN Phone To PSTN Phone via VoIP ................................................176
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
13.9.1 Background Information ........................................................................184
13.9.2 Configuration Details: Outgoing ............................................................184
13.9.3 Configuration Details: Incoming ............................................................186
13.9.4 Call Progression ...................................................................................187
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
14.2.1 The "Triangle Route" Problem ..............................................................192
14.2.2 Solving the "Triangle Route" Problem ...................................................192
14.3.1 General Firewall Screen .......................................................................193
14.3.2 Firewall Services Screen .......................................................................194
15.2.1 Content Filter Screen ............................................................................197
15.2.2 Content Filter Schedule Screen.............................................................199
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