ZyXEL Communications 802.11g Wireless ADSL2+ 4-port VoIP IAD P-2602HWNLI - Manual (Page 16)

P-2602HWNLI User’s Guide
16 Table of Contents
11.13.3 Echo Cancellation ...............................................................................179
11.14 Analog Phone Screen ..................................................................................179
11.15 Advanced Analog Phone Setup Screen .......................................................181
11.16 ISDN Phone Screen .....................................................................................182
11.17 Common Phone Settings Screen .................................................................182
11.18 Supplementary Phone Services Overview (PSTN) ......................................183
11.18.1 The Flash Key .....................................................................................184
11.18.2 Europe Type Supplementary Phone Services ....................................184
11.18.2.1 European Call Hold ...................................................................184
11.18.2.2 European Call Waiting ..............................................................185
11.18.2.3 European Call Transfer .............................................................185
11.18.2.4 European Three-Way Conference .............................................185
11.18.2.5 European Call Return ................................................................186
11.18.3 USA Type Supplementary Services ....................................................186
11.18.3.1 USA Call Hold ............................................................................186
11.18.3.2 USA Call Waiting ......................................................................186
11.18.3.3 USA Call Transfer ......................................................................186
11.18.3.4 USA Three-Way Conference .....................................................187
11.18.3.5 USA Call Return ........................................................................187
11.19 Supplementary Phone Services Overview (ISDN) .......................................187
11.20 Phone Region Screen ..................................................................................188
11.21 Speed Dial ....................................................................................................189
11.21.1 Peer-to-Peer Calls ..............................................................................189
11.22 Speed Dial Screen ........................................................................................190
11.23 Incoming Call Policy Screen .........................................................................191
11.24 PSTN Line Screen ........................................................................................193
11.25 ISDN Line Screen .........................................................................................194
Chapter 12
Phone Usage ........................................................................................................ 197
12.1 Dialing a Telephone Number ..........................................................................197
12.2 Using Speed Dial to Dial a Telephone Number ..............................................197
12.3 Internal Calls ..................................................................................................197
12.4 Checking the Device’s IP Address .................................................................197
12.5 Auto Firmware Upgrade .................................................................................198
Chapter 13
Firewalls................................................................................................................ 199
13.1 Firewall Overview ..........................................................................................199
13.2 Types of Firewalls ..........................................................................................199
13.2.1 Packet Filtering Firewalls ......................................................................199
13.2.2 Application-level Firewalls ....................................................................200
13.2.3 Stateful Inspection Firewalls .................................................................200