GL-VP-620x User ManualCopyright © 2009-2011 GigaLink Page 2 of 45Table of Content1 WELCOME ................................................................................................................... 41.1 Gateway GL-VP-620x Overview .................................................................... 41.2 Safety Compliances ....................................................................................... 41.3 Warranty ......................................................................................................... 52 CONFIGURE YOUR GL-VP-620X ............................................................................... 52.1 Equipment Packaging .................................................................................... 52.2 Connect The GL-VP-620x.............................................................................. 52.3 Figure 1: Diagram of GL-VP-620x Back Panel ........................................... 62.4 Figure 2: Diagram Of GL-VP-620x Display Panel ...................................... 63 APPLICATION DESCRIPTION .................................................................................... 73.1 Examples Of GL-VP-620x Configurations ..................................................... 83.1.1 Application One: GL-VP-620x FXS Gateway Configuration / PBXScenario, VoIP....................................................................................................... 83.1.2 Application Two: GL-VP-620x Scenario / Toll- Free Calling BetweenLocations ............................................................................................................... 94 GL-VP-620X FEATURES ............................................................................................. 94.1 Software Features Overview ....................................................................... 104.2 Hardware specification................................................................................. 115 BASIC OPERATIONS ................................................................................................ 125.1 Understanding GL-VP-620x Voice Prompts ................................................ 125.2 Placing A Phone Call.................................................................................... 145.2.1 Phone or Extension Numbers............................................................... 145.2.2 Direct IP Calls ....................................................................................... 145.3 Call Hold ....................................................................................................... 155.4 Call Waiting .................................................................................................. 155.5 Call Transfer ................................................................................................. 155.6 3-Way Conferencing .................................................................................... 165.7 Hunting Group .............................................................................................. 165.8 Iter-port Calling............................................................................................. 185.9 PSTN Pass Through/Life Line ..................................................................... 185.10 Sending And Receiving Fax ......................................................................... 186 CALL FEATURES ...................................................................................................... 197 CONFIGURATION GUIDE ......................................................................................... 207.1 Configuring GL-VP-620x Via Voice Prompt ................................................. 207.2 Configuring GL-VP-620x With Web Browser............................................... 217.2.1 Access The Web Configuration Menu .................................................. 217.3 Important Settings ........................................................................................ 227.3.1 NAT Settings ......................................................................................... 237.3.2 DTMF Methods ..................................................................................... 237.3.3 Preferred VOCODER (Codec).............................................................. 23