Patent ID: 8224896

Claim:
A method comprising: detecting, by a processor, a start of a collaboration session; detecting a predetermined time after the start of the collaboration session to remind invited participants of the collaboration session; when it is the predetermined time to remind invited participants of the collaboration session, detecting a missing invited participant who did not previously decline an invitation to attend the collaboration session, wherein the missing invited participant is associated with a plurality of devices, identifying a presence of the missing invited participant on a particular device of the plurality of devices associated with the missing invited participant, identifying a device type of the particular device of the plurality of devices associated with the missing invited participant, and transmitting a reminder message that is customized based on a capability of the particular device to the particular device of the plurality of devices associated with the missing invited participant, the reminder message to inform the missing invited participant of the start of the collaboration session; and when it is not the predetermined time to remind invited participants of the collaboration session, but a participant has initiated a reminder message, in response to the participant initiated reminder message, detecting a missing invited participant who did not previously decline an invitation to attend the collaboration session, wherein the missing invited participant is associated with a plurality of devices, identifying a presence of the missing invited participant on a particular device of the plurality of devices associated with the missing invited participant, identifying a device type of the particular device of the plurality of devices associated with the missing invited participant, and transmitting a participant initiated reminder message that is customized based on the capability of the particular device to the particular device of the plurality of devices associated with the missing invited participant, the participant initiated reminder message to inform the missing invited participant of the start of the collaboration session.