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Troubleshooting
Q3
When you cannot hold a conference
Symptom
Cause
Solution
Cannot register
participant
information
(nothing is displayed
in the error history)
The participant’s ProjectPhone
is not congured to register to
the PJP-MC24. Or the server
address is not correct.
Make sure that the participant’s
ProjectPhone is set to recognize the
PJP-MC24 (LAN port) IP address as a
SIP server address.
There is a problem with the
network connecting the PJP-
MC24 to the participant’s
ProjectPhone.
• Conrm that all network devices are
congured properly.
• Ping all connected network devices to
nd the source of the error.
Cannot register
participant
information to the
Web interface.
(a 401 error is
displayed in the
error history)
The participant information has
not yet been entered into the
PJP-MC24.
Enter the participant information.
The authentication password is
incorrect.
Congure the ProjectPhone to use the
same password as the one set for
participants on the PJP-MC24 (passwords
are case sensitive).
Cannot register
participant
information to the
Web interface.
(a 403 error is
displayed in the
error history)
The SIP domain name is
incorrect.
Set the ProjectPhone’s SIP address to the
same value as the domain name in the
PJP-MC24
Basic Settings (i.e. sip:
(location number)@(domain name)).
Cannot register
participant
information
to the Web interface.
(a 480 error is
displayed in the
error history)
The PJP-MC24 is in
maintenance mode.
The PJP-MC24 will not register new
information while in maintenance mode.
Click
Execute next to Switch to Normal
Mode.
A conference
participant cannot
be reached
The participant’s ProjectPhone
is not on.
Check to make sure that the ProjectPhone
is plugged in and switched on.
The participant’s ProjectPhone
LAN cable is disconnected.
Properly connect the LAN cable.
The participant’s ProjectPhone
Remote Control feature is not
activated.
Adjust the settings using the keys on the
ProjectPhone (page 47).