Problem Solving
460
Problem Solving
15
Unable to
communicate
(IP fax (SIP))
The IP fax (SIP) machine
of the recipient is
abnormal.
The data cannot be sent if the IP fax (SIP)
machine of the recipient is turned off. Call
the recipient to confirm the machine
condition.
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" for [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.
z
For details on the authentication/accounting
feature, refer to "Authentication and Accounting
Features" (P.409). 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.
Unable to
communicate
(IP fax (SIP))
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