Specifications

Chapter 1 - Getting Started Administration Manual (SIP/MGCP Version)
AT-VP504E FXS 3
Fax Interface Handles G3 and Super G3 fax transmissions at speeds
up to 33.6 kbps. Automatic fax mode detection is
standard on all ports. Real-Time Fax Over UDP with the
T.38 protocol stack is also available.
Analog
Modem
Supports 9.6 kbps to 33.6 kbps analog modems (V.34
support over clear channel).
System
Failure
Bypass
In the event of a commercial power failure or network
failure, the system failure bypass feature permits users to
make and receive calls even when the AT-VP504E FXS
is not operating.
Full integra-
tion with the
IP Communi-
cation Server
a
After dialing a number, the AT-VP504E FXS contacts the
IP Communication Server and the server looks through
its internal database to translate the dialed number to a
corresponding IP address. If there is no matching IP
address associated to the dialed number, the IP
Communication Server will look for a gateway willing to
place a call to the dialed number on the SCN.
Fully
Configurable
“SCN-Like”
Experience
The AT-VP504E FXS provides the tones heard on the
standard telephone network. For example, a dial tone will
be heard as soon as the handset is lifted. Call progress
tones such as ringback and busy are also provided. The
AT-VP504E FXS can be configured to take almost any
kind of telephone number.
Remote Site
Configuration/
Management
Integrates seamlessly into your existing administration
environment. Implementation of a SNMP agent allows
device-related adjustment parameters to be modified
and polled remotely. The software upgrade (CPU and
DSP code) is downloaded via a TFTP server.
a. Only valid for units that run the SIP signalling protocol.
Table 1: AT-VP504E FXS Features (Continued)
Feature Description