9.2.4 SIP Warning Errors

 The following table details what string is displayed in the SIP protocol client, depending on what SIP warning error is received for a given mode.

Mode	Error Id	Error Message	Additional Information
Conference	304	[user name] cannot be reached.	This person is using an application that does not support this type of meeting.
Conference	370	The network is busy. Cannot join the meeting.
Conference	370	Cannot add [user name] to the meeting because network is busy.
Conference	371	The network is busy. Cannot join the meeting.
Conference	371	Cannot add [user name] to the meeting because network is busy.
Conference	391	[user name] is on Do Not Disturb and cannot be reached.
IM	309	This message was not delivered to [user name] because the message contents are restricted by policy. For more information, contact your system administrator.
IM	391	This message was not delivered to [user name] because this person does not want to be disturbed.
Sharing	304	Sharing is not supported with this contact.
Sharing	391	The sharing invitation cannot be sent to [user name].	[user name] is offline or set to Do Not Disturb and will not receive your sharing invitation.
Sharing	391	[user name] is set to Do Not Disturb.
Voice	308	Incompatible security setting.	The call could not be completed because security levels do not match.
Voice	370	Could not complete the call because the network is busy. Try again later.
Voice	370	Could not add video because the network is busy. Try again later.
Voice	370	Could not park the call because the network is busy.
Voice	371	Could not complete the call because the network is busy. Try again later.
Voice	371	Could not add video because the network is busy. Try again later.
Voice	391	[user name] is set to Do Not Disturb.