Have ports 18000 – 18049
inclusive TCP outbound been
opened on the Firewall by the
person who is responsible for
the network?
LED 101 located on the
GPRS Daughter board
should indicate a double
flash once every 3 seconds
Does an external call
require a Dial Prefix e.g. 9
or 0? If so, use Emizon
Online Maintenance /
Phone app or call CSL to
apply a Dial prefix
The IT department may require
our Destination IP addressees?
If so, ask the IT department to
request the Destination IP
Addresses via email to:
support-emizon@csl-group.com
referencing the Serial number
of the TCD or the EM number.
We will send the Destination IP
Addresses via email on request
To identify if both paths
are signalling
For IP/GPRS:
LED 201 is IP & LED 202 is
GPRS
For GPRS/PSTN:
LED 201 is GPRS & LED
202 is PSTN
For IP/PSTN:
LED 201 is IP & LED 202 is
PSTN
Does the Phone line require
a PSTN filter? Investigate
the line further or get the
phone line checked by the
phone provider
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