Allied Telesis AT-VP504E FXS (H.323) - Manual (Page 3)

Contents User’s Manual (H.323 Version)
AT-VP504E FXS iii
Contents
Chapter 1
Making Calls with the AT-VP504E FXS .........................................1
Before you Begin...............................................................................................2
Acronyms ................................................................................................................... 3
Overview of the AT-VP504E FXS ............................................................................ 3
Using the AT-VP504E FXS....................................................................................... 3
Why use the AT-VP504E FXS? ................................................................................ 4
How does it Work? .................................................................................................... 4
AT-VP504E FXS Call Processes ......................................................................5
Calls Involving Another Terminal ............................................................................. 6
Calls Involving a Terminal and an H.323 Endpoint .................................................. 6
Calls Involving a PSTN Gateway .............................................................................. 8
Calls Without a Gatekeeper (Direct Calls) ................................................................ 9
Making Calls....................................................................................................10
Examples .........................................................................................................11
Example 1 ................................................................................................................ 11
Example 2 ................................................................................................................ 12
Appendix A
Glossary.........................................................................................15