Operation Manual

Note
• If the required settings are not specified on
all
of the screens, pressing [G] on any of the
screens will not save the settings. Save the
settings only after you have specified all the
required settings. The following settings are
required:
– "Local site name"
– "IP Address" (when "Manual" is
selected for "IP Address")
– "Subnet mask" (when "Manual" is
selected for "IP Address")
• If you are currently entering "Local site
name", the next screen will not be
displayed even if you press [R].
"Connection mode": Press [Enter] and use [
]
[ ]
to select a connection mode (IP Mode or NAT
Traversal Mode).
Note
• If a connection mode is selected without
completing network settings, the settings
cannot be saved. Before making local site
settings, change the connection mode
(Page 115) and make network settings
(Page 97).
"Local
site name": Enter a name for the local site.
"Max. Bandwidth": Press [Enter] and use [
]
[ ] to select the maximum allowed bandwidth to
be used (256 kbps, 384 kbps, 512 kbps,
768 kbps, 1.0 Mbps, 1.2 Mbps, 1.5 Mbps,
2.0 Mbps, 2.5 Mbps, 3.0 Mbps, 3.5 Mbps,
4.0 Mbps, 4.5 Mbps, 5.0 Mbps, 5.5 Mbps,
6.0 Mbps, 6.5 Mbps, 7.0 Mbps, 7.5 Mbps,
8.0 Mbps, 8.5 Mbps, 9.0 Mbps, 10.0 Mbps).
Note
• The maximum bandwidth during a video
conference call adjusts to that of the party
that has set the lowest bandwidth for the
maximum bandwidth setting among all
participating parties.
• You
cannot select a value that is higher than
the maximum bandwidth set by the dealer.
For details, contact your dealer.
• When you make a 3-party video conference
call, select a value of "1.0 Mbps" or higher.
Otherwise, the image quality and the sound
quality cannot be guaranteed.
• When you make a 4-party video conference
call, select a value of "1.5 Mbps" or higher.
Otherwise, the image quality and the sound
quality cannot be guaranteed.
"Encryption (SIP)"/"Encryption (H.323)": Use
[ ][ ] to select whether to enable encryption.
– "ON": Encryption is enabled.
– "OFF": Encryption is disabled.
Note
• Be careful when changing encryption
settings because doing so may cause you
to become unable to communicate with
other parties.
• Be aware that if encryption is disabled,
eavesdropping might be possible on
networks
that are not secured against such
actions.
• If you cannot specify a value for
"Encryption (SIP)"/"Encryption (H.323)"
because the setting is unavailable, contact
your network administrator.
• "Encryption (H.323)" can be set only in IP
mode.
"Encryption Key (SIP)": Enter an encryption key
(4 to 256 characters [alphanumeric, space,
symbols]) (Page 137).
Note
• &, <, >, comma (,), double quotation mark
(") cannot be entered.
• While being entered, the characters of the
encryption key are displayed, but once the
settings
are saved, all the characters will be
displayed as asterisks (*), and you will no
longer be able to check the encryption key
on the screen. Record the encryption key
beforehand, and store it in a safe location.
• If the value specified in "Encryption Key
(SIP)" does not match the other party’s, the
video conference call will not start even if
encryption is enabled.
• When the encryption key is displayed as
asterisks (*), pressing [Y] deletes the entire
encryption key.
"Video Quality": Use [
][ ] to select between
prioritising smooth movement or image quality for
video.
– "Motion": Prioritise smooth movement.
– "Sharpness": Prioritise image quality.
132 User Manual Document Version 2013-09
Contacts and Settings