Trouble during Faxing
441
Problem Solving
15
Unable to
communicate (IP
fax (SIP))
The method for specifying
the recipient is incorrect.
Specify the following recipient information:
z
Neither a SIP server nor a VoIP gateway
is used
Specify "SIP user name@IP address"in
[Recipient].
z
Only a SIP server is used
Specify [SIP user name] or [telephone
number] in [Recipient].
z
Only VoIP gateway is used
Specify [telephone number] in
[Recipient].
z
Both SIP server and VoIP gateway are
used
Specify [SIP user name] or [telephone
number] in [Recipient].
You are using a feature
such as the polling feature
that is not supported by the
destination fax.
Confirm whether the destination fax
supports the feature.
The Authentication/
Accounting feature is being
used and the fax is being
sent directly from the
computer.
When the Authentication/Accounting
feature is used and you send a fax directly
from the computer, you must set the user
ID and passcode registered on the
machine to the fax driver.
For details on the Authentication/Accounting
feature, refer to "Authentication and
Accounting Features" (P.383). For details on
how to directly send a fax from the computer,
refer to "13 Computer Operations" > "Sending
Fax" in the User Guide.
IP fax (SIP) is being
received.
The number of simultaneous connections
for IP fax (SIP) is one. The machine cannot
send and receive an IP fax (SIP) at the
same time.
Wait until the receiving completes, and
then try sending again.
The network relay device
such as a switch, router,
and firewall cannot go
through the port of the
machine.
Enable the port for IP fax (SIP) of the
network relay device.
The IP filter setting of the
machine is incorrect.
Add the IP address of the SIP server to the
permitted IP address of the machine in the
environment where the SIP server is used.
Set [IP Filtering] under [Properties] tab >
[Security] using CentreWare Internet
Services.
The Ethernet cable has
been unplugged for more
than one minute.
When Register recovery on the SIP server
is completed, the registration succeeds.
No measure is required.
Symptom Cause Remedy