User`s manual

Chapter 1 - Using the AT-VP504E FXS User’s Manual (SIP/MGCP Version)
AT-VP504E FXS 5
X LAN Endpoint -> AT-VP504E FXS -> Phone/Fax
A LAN Endpoint contacts the AT-VP504E FXS, which reaches the
corresponding phone/fax connected to the AT-VP504E FXS terminal.
Calls Involving
an Analog
Gateway
The following example illustrates how a telephone/fax connected to an
AT-VP504E FXS terminal and a SCN phone can communicate via an
analog gateway.
X Phone/Fax -> AT-VP504E FXS -> AT-VP504E FXO (Gateway) ->
SCN
A user makes a call with the phone/fax connected to an AT-VP504E
FXS, which in turn contacts an AT-VP504E FXO gateway, then
reaches the corresponding SCN Phone.
IP / LAN
Telephone Telephone
AT-VP504E FXS AT-VP504E FXS
Fax Fax
IP Communication Server
y IP phone
y Soft Phone
SIP User Agent