Fuji Xerox DocuCentre-IV 2060 Administrator's Manual page 386

15 Problem Solving
15
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Symptom
IP fax (SIP) The priority of the IP packet,
transmission which is sent from the
takes long time. machine, on the network
relay device (such as a
switch and router) is low
because the QoS setting of
the machine is invalid.
A large amount of
communication data loss
occurs because the queue
(buffer) assigned to each
QoS of the network relay
device (such as a switch
and router) is low.
A large amount of
communication data loss
occurs because the
communication rates (10M/
100M/1000M) differ on two
sides of the network relay
device (such as a switch
and router).
A large amount of
communication data loss
occurs because the
communication parameters
(such as input gain, output
attenuation, echo setting) of
the VoIP gateway are
inappropriate for the
network environment.
IP fax (SIP) machine is
connected to the data
network where the
telephone and data
networks are operated
separately.
Communications The priority of IP packet,
which is sent from the
other than IP fax
(SIP) become machine, on the network
slow while IP fax relay device (such as a
(SIP) switch and router) becomes
transmission is higher than necessary
executed. because the QoS setting of
the machine is invalid.
Or, large amounts of buffer
space is occupied.
IP fax (SIP) machine is
connected to the telephone
network where the
telephone and data
networks are operated
separately.
Cause
Increase the value for [Prioritize T.38 IP
Packets] according to your network
environment.
For more information on [Prioritize T.38 IP
Packets], refer to "Prioritize T.38 IP Packets"
(P.158).
Set an appropriate parameter on the
network relay device for your network
environment.
Use the same communication speed within
the network.
Set appropriate communication
parameters on the VoIP gateway for your
environment.
Configure the QoS setting for the entire
network environment and control traffic.
Set [Prioritize T.38 IP Packets] for QoS of
the machine.
For more information on [Prioritize T.38 IP
Packets], refer to "Prioritize T.38 IP Packets"
(P.158).
Decrease the value for [Prioritize T.38 IP
Packets] according to your network
environment.
For more information on [Prioritize T.38 IP
Packets], refer to "Prioritize T.38 IP Packets"
(P.158).
Configure QoS setting for the entire
network environment and control traffic.
Set [Prioritize T.38 IP Packets] for QoS of
the machine.
For more information on [Prioritize T.38 IP
Packets], refer to "Prioritize T.38 IP Packets"
(P.158).
Remedy