9.2.3 SIP Errors

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

Mode	Error Id	Error Message	Additional Information
Conference	400	[user name] cannot be reached.	This person is using an application that does not support this type of meeting.
Conference	404	[user name] cannot be found. Please check the address and try again.
Conference	404	The meeting you are trying to join has ended.	The meeting you are trying to join has ended or does not exist. Contact your support team with this information.
Conference	408	The conferencing service did not respond. Please wait and try again.
Conference	408	The invitation to [user name] expired.
Conference	410	[user name] cannot be found. Please check the address and try again.
Conference	413	This online meeting cannot be found.	This online meeting cannot be found on the server. Please check the meeting identifier and try again.
Conference	415	[user name] cannot be reached.	This person is using an application that does not support this type of meeting.
Conference	480	[user name] cannot be reached and may be offline.
Conference	482	[user name] cannot be reached because of conferencing service issues.
Conference	483	[user name] cannot be reached because of conferencing service issues.
Conference	486	Cannot reach [user name]. Try again later.
Conference	488	[user name] cannot be reached.	This person is using an application that does not support this type of meeting.
Conference	488	The meeting you are trying to join has ended.	The meeting you are trying to join has ended or does not exist. Contact your support team with this information.
Conference	500	[user name] cannot be reached because of conferencing service issues.
Conference	500	A server error occurred. Please contact your support team.
Conference	501	Cannot invite [user name] to join this meeting.	Cannot invite [user name] to join this meeting. This person is using a messaging application that does not support more than two participants in a conversation.
Conference	502	[user name] cannot be reached because of conferencing service issues.
Conference	504	The conferencing service did not respond. Please wait and try again.
Conference	603	[user name] declined your invitation.
Conference	603	The conferencing service did not respond. Please wait and try again.
Conference	604	[user name] cannot be found. Please check the address and try again.
Conference	605	The conferencing service did not respond. Please wait and try again.
Conference	606	Cannot invite [user name] to join this meeting.	Cannot invite [user name] to join this meeting. This person is using a messaging application that does not support more than two participants in a conversation.
IM	404	[user name] cannot be found. Please check the address and try again.
IM	404	[user name] could not be found and this message was not delivered.
IM	408	This message may not have been delivered to [user name] because the server sent the message to this person but it timed out.
IM	415	The message was not delivered. [user name] is signed in to a device that cannot receive messages.
IM	480	This message was not delivered to [user name] because this person is unavailable or offline.
IM	481	[user name] could not be reached and this message was not delivered:
IM	488	[user name] cannot be reached.	This person is using a device that does not support instant messaging.
IM	488	[user name] cannot receive instant messages at this time.  Please try again later.
IM	488	This message was not delivered to [user name] because this type of content could not be received.
IM	500	This message was not delivered to [user name] because the service is not available.
IM	503	[user name] could not be reached and this message was not delivered.
IM	513	This message was not delivered to [user name] because it is too large.
Sharing	408	Screen sharing did not start in time. Please try again.
Sharing	408	The conferencing service did not respond. Please wait and try again.
Sharing	408	The sharing invitation sent to [user name] has expired.
Sharing	415	Sharing is not supported with this contact.
Sharing	415	Sharing is not supported with this contact.
Sharing	480	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	486	[user name] declined your sharing invitation.
Sharing	487	The sharing session ended.	The sharing session timed out or was ended by the person who started the session.
Sharing	488	Some people did not respond to your sharing invitation. They may be using earlier versions of the client.	One or more people did not respond to your sharing invitation. They need to be running at least Microsoft Office Communicator 2007 R2, which is required to respond to sharing invitations and to participate in sharing sessions.
Sharing	501	[user name] did not respond to your sharing invitation.	[user name] did not respond to your sharing invitation because their server does not support desktop sharing.
Sharing	503	Sharing couldn't be started because the server is busy. Please try again later.
Sharing	504	Sharing couldn't be started because the server is busy. Please try again later.
Sharing	603	[user name] declined your sharing invitation.
Sharing	603	You have declined the invitation from [user name].
Sharing	606	You can't share with this contact because his or her communications application isn't recognized by the server. Please contact your support team.
Voice	402	Cannot complete the call.	Call cannot be completed because there is a problem with the account. Contact your support team with this information.
Voice	402	Cannot complete the transfer.	Call cannot be transferred because there is a problem with the account. Contact your support team with this information.
Voice	404	[user name] is not in service. Please check the number and try again.
Voice	405	Cannot complete the transfer.	Cannot complete the transfer. Transfer is not supported for this call.
Voice	408	[user name] did not answer.	Call was not completed because [user name] did not answer at this time. Try your call again later.
Voice	408	Cannot complete the transfer.	Call was not transferred because the calling service did not respond. Wait and then try again. If the problem continues, contact your support team with this information.
Voice	415	[user name] cannot answer this call.	[user name] does not have an audio device set up to accept calls.
Voice	415	Cannot complete the transfer.	Call was not transferred because [user name] does not have an audio device set up to accept calls.
Voice	480	[user name] is unavailable or may be offline.
Voice	480	Cannot complete the transfer.	Call was not transferred because [user name] cannot be reached and may be offline.
Voice	480	Video was not accepted.
Voice	481	Cannot complete the transfer.	Call was not transferred because [user name] cannot be reached and may be offline.
Voice	484	Please check the number and try again.	The format of the number you dialed is not valid. Examples of valid dialing formats: 1+(555) 555-0123 (555) 555-0123 9+1+(555) 555-0123 011+ 12 34 56 78 99 If you continue to be unable to successfully make a call, please contact your support team.
Voice	485	Cannot complete the transfer.	Call was not transferred because there is more than one contact with the same phone number. Try transferring again. If you still cannot complete the call, contact your support team with this information.
Voice	485	Cannot contact [user name].	There is more than one contact with the same phone number. Try calling again. If you still cannot complete the call, contact your support team with this information.
Voice	486	[user name] is in another call.
Voice	486	Cannot complete the transfer.	Call was not transferred because [user name] is in another call.
Voice	487	Call was unsuccessful.	The calling service did not respond. Wait and then try again. If the problem continues, contact your support team with this information.
Voice	488	[user name] cannot answer this call.
Voice	488	Cannot complete the transfer.	Call was not transferred because [user name] does not have an audio device set up to accept calls.
Voice	491	[user name] is in another call.
Voice	491	Cannot complete the transfer.	Call was not transferred because [user name] is in another call.
Voice	501	Call failed. This type of call is unsupported.
Voice	503	The call could not be completed. Please try again later.	The call could not be completed because of a busy network. Please try again later.
Voice	504	Cannot complete the transfer.	Call was not transferred because there was a problem with the calling service. Wait and then try again. If the problem continues, contact your support team with this information.
Voice	504	Operation was unsuccessful.	The calling service did not respond. Wait and then try again. If the problem continues, contact your support team with this information.
Voice	600	[user name] is in another call.
Voice	600	Cannot complete the transfer.	Call was not transferred because [user name] is in another call.
Voice	603	[user name] did not answer.	Call was not completed because [user name] did not answer at this time. Try your call again later.
Voice	603	Cannot complete the transfer.	Call was not transferred because one of the participants is not available at this time.
Voice	605	[user name] did not answer.	Call was not completed because [user name] did not answer at this time. Try your call again later.
Voice	605	Cannot complete the transfer.	Call was not transferred because one of the participants is not available at this time.
Voice	606	[user name] is set to Do Not Disturb.
Voice	606	Cannot complete the transfer.	Call was not transferred because [user name] is set to Do Not Disturb.