2. Use [ ][ ] to select "Encryption" and press[Enter].• The encryption settings screen is displayed.3. Use [ ][ ] to select the following items for input:Note• When "SIP" is set to "OFF" on the call typesettings screen (Page 109), "Accessmode (SIP)", "Encryption (SIP)" and"Encryption Key (SIP)" cannot be set.• When "H.323" is set to "OFF" on the calltype settings screen (Page 109), "Accessmode (H.323)" and "Encryption (H.323)"cannot be set."Access mode (SIP)"/"Access mode (H.323)":Use [ ][ ] to select "Admin" (default) or"User".• When "Admin" is selected, only the networkadministrator can enable/disable encryption.• When "User" is selected, any users canenable/disable encryption (Page 93,Page 120)."Encryption (SIP)"/"Encryption (H.323)": Use[ ][ ] to select whether to enable encryption.– "ON": Encryption is enabled.– "OFF" (default): Encryption is disabled.Note• If the "Encryption (SIP)"/"Encryption (H.323)" setting does not match that of theother party in a video conference call, thevideo conference call will not start.• This setting is available only when"Admin" is selected for "Access mode(SIP)"/"Access mode (H.323)"."Encryption Key (SIP)": Enter an encryption key(4 to 256 characters [alphanumeric, space,symbols]) (Page 125).Note• &, <, >, comma (,), double quotation mark(") cannot be entered.• While being entered, the characters of theencryption key are displayed, but once thesettings are saved, all the characters will bedisplayed as asterisks (*), and you will nolonger be able to check the encryption keyon the screen. Record the encryption keybeforehand, and store it in a safe location.• If the value specified in "Encryption Key(SIP)" does not match the other party’s, thevideo conference call will not start even ifencryption is enabled.• When the encryption key is displayed asasterisks (*), pressing [Y] deletes the entireencryption key.4. Press [G].• A dialogue box to confirm the saving of settingsis displayed.5. Use [ ][ ] to select "Yes" and press [Enter].• The admin menu screen is displayed.6. Press [Home].• The Home screen is displayed.Making Software UpdateSettingsPreparation settings for updating the software can bemade here.Note• The DNS server setting is necessary to checkfor upgrades and to download the latestsoftware from the network (Page 91).1. Login to the administrator menu (Page 105).• The admin menu screen is displayed.User Manual 107Contacts and Settings