Trouble during Faxing
465
Problem Solving
15
IP fax (SIP)
transmission
takes long time
The priority of the IP
packet, which is sent from
the machine, on the
network relay device (such
as a switch and router) is
low because the QoS
setting of the machine is
invalid.
Increase the value for [Prioritize
IPPackets] according to your network
environment.
z
For more information on [Prioritize IP Packets],
refer to "Prioritize IP Packets / Prioritize IP Packets
(Ethernet 1), Prioritize IP Packets (Ethernet 2)"
(P.189).
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.
Set an appropriate parameter on the
network relay device for your network
environment.
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).
Use the same communication speed
within the network.
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.
Set appropriate communication
parameters on the VoIP gateway for your
environment.
IP fax (SIP) machine
isconnected to the data
network where the
telephone and data
networks are operated
separately
Configure the QoS setting for the entire
network environment and control traffic.
Set [Prioritize IP Packets] for QoS of the
machine.
z
For more information on [Prioritize IP Packets],
refer to "Prioritize IP Packets / Prioritize IP Packets
(Ethernet 1), Prioritize IP Packets (Ethernet 2)"
(P.189).
Symptom Cause Remedy
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