User`s manual

Chapter 1 - Using the AT-VP504E FXS User’s Manual (SIP/MGCP Version)
AT-VP504E FXS 4
Calls Involving
Another Termi-
nal
The following example illustrates how to reach a phone or fax on
another AT-VP504E FXS terminal.
X Phone/Fax -> AT-VP504E FXS A -> AT-VP504E FXS B -> Phone/Fax
A user makes a call with the phone/fax connected to an AT-VP504E
FXS, which in turn contacts another AT-VP504E FXS, then reaches
the corresponding phone/fax.
Calls Involving
a Terminal and
a LAN Endpoint
The following examples illustrate how a phone/fax connected to an
AT-VP504E FXS terminal can communicate with a LAN Endpoint on
the IP network.
X Phone/Fax -> AT-VP504E FXS -> LAN Endpoint
A user makes a call with the phone/fax connected to an AT-VP504E
FXS, which reaches the corresponding LAN Endpoint on the IP
network.
IP / LAN
Telephone Telephone
AT-VP504E FXS AT-VP504E FXS
Fax Fax
IP Communication Server
y IP phone
y Soft Phone
SIP User Agent
IP / LAN
Telephone Telephone
AT-VP504E FXS AT-VP504E FXS
Fax Fax
IP Communication Server
y IP phone
y Soft Phone
SIP User Agent