Problem Cause and SolutionCannot connect with anotherparty.• The LAN cable is not connected properly.→ Check that it is connected to the unit properly (Page 16). Perform anetwork test by entering the IP address of the other party, and thenconfirm the connection to the other party (Page 98).• The maximum bandwidth setting is incorrect.→ 3-party video conference calls are not possible if 512 kbps is selected.4-party video conference calls are not possible if 512 kbps or 768 kbpsis selected. Check your maximum bandwidth setting, and select a valuethat is appropriate for your network environment.→ If you are trying to connect to a non-Panasonic video conferencesystem, a connection might not be possible depending on either youror the other party’s bandwidth settings. Either check your settings andchange them, or have the other party do the same (Page 88,Page 112). If you change your own settings, you should register thenew information as a local site (Page 111).• The call type setting is incorrect.→ Set the call type setting so that it is the same as the other party’s(Page 102).• The SIP settings are incorrect.→ Check the SIP settings (Page 102). After you check the SIP settings, ifyou still cannot connect to the other party, contact your networkadministrator.• The ID and password for digest authentication are incorrect.→ Check that the values specified for "Authentication ID" and"Authentication Password" are correct (Page 103).• The "SIP Transport Protocol" setting is different from the otherparty’s.→ Set the "SIP Transport Protocol" setting so that it is the same as theother party’s (Page 103, Page 113).• The local site settings are incorrect.→ Confirm the local site settings. Specify the settings that are appropriatefor your usage environment (Page 111).• The IP address is not entered correctly.→ Confirm that the other party’s IP address is correctly entered.• The SIP URI (or SIP user name), H.323 extension, or H.323 name isnot entered correctly.→ Check whether the SIP URI (or SIP user name), H.323 extension, or H.323 name of the other party is entered correctly or whether it conformsto the relevant standard.• The MCU’s conference room number@IP address is not enteredcorrectly.→ Check whether the conference room number and IP address of theMCU is entered correctly.User Manual 125Additional Information