
AT-VP504E FXO
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4
How to Use the AT-VP504E FXO
This chapter describes how to use the AT-VP504E FXO’s connectivity
with analog phones and faxes.
AT-VP504E FXO
Call Processes
When a PSTN user contacts the AT-VP504E FXO, the call is answered
and a second dial tone (IP dial tone) is presented to the calling party.
The number dialed at this moment will be parsed by the
AT-VP504E FXO and used in an H.323 call establishment.
Types of Calls
When calling a phone or fax on another remote H.323 terminal or on
the PSTN, you can do so when registered to a gatekeeper or not.
PSTN -> AT-VP504E FXO A -> AT-VP504E FXO B -> PSTN
A PSTN user contacts the AT-VP504E FXO, which in turn contacts
another AT-VP504E FXO, then reaches the corresponding PSTN
destination.
IP / LAN
PSTN
PSTN Phone
PSTN Phone
AT-VP504E FXO
VP500 Server
PSTN
4 telephone lines
connected to the PSTN
4 telephone lines
connected to the PSTN
AT-VP504E FXO
Summary of Contents for AT-VP504E FXS
Page 1: ...AT VP504E FXO H 323 Administration Manual PN 990 11592 10 Rev C VoIPTalk...
Page 16: ...Chapter 1 Introducing the AT VP504E FXO Administration Manual H 323 Version AT VP504E FXO 8...
Page 76: ...Chapter 5 Software Upgrade Administration Manual H 323 Version AT VP504E FXO 68...
Page 100: ...Appendix C Gatekeeper Registration Logic Administration Manual H 323 Version AT VP504E FXO 92...
Page 112: ...Index Administration Manual H 323 Version AT VP504E FXO 104...