Patent ID: 8358763
Filing Date: 2013-01-22
Classification: H04M

Abstract:
1. A computer-implemented method comprising: receiving, by an Internet Protocol Private Branch Exchange (IP-PBX) system, in advance of a scheduled conference session facilitated by the IP-PBX system, input from a user not invited to participate in the scheduled conference session transmitted via a user interface identifying a person, other than the user, invited to participate in the scheduled conference session, the input comprising a request to initiate a deferred camp-on to a conference port of the IP-PBX system associated with the person during the scheduled conference session; fetching, by the conferencing system, a set of registered telephone numbers of the person from a database; in response to an incoming call to the scheduled conference session from a telephone device having a certain number, attempting to match the certain number of the incoming call to one of the set of registered telephone numbers of the person; in the event of a match, camping-on the conference port of the incoming call and executing, by the IP-PBX system, a specified action in response to the conference port becoming free, the specified action including at least an attempt to establish communications between the person and the user; and in the event that there is no match after a predetermined time has elapsed following commencement of the scheduled conference session, notifying the user that the request to camp-on the conference port of the person has failed.