Patent ID: 7613279
Filing Date: 2009-11-03
Classification: H04M

Abstract:
1. A method of routing a call from a Private Branch Exchange (PBX) to a voice mailbox on a communication platform, the method comprising: receiving a call from an originating device at the PBX, wherein the PBX is associated with a voice mail box on a communication platform; linking the PBX to the communication platform with an ISDN connection, wherein the ISDN connection comprises a dedicated ISDN connection and/or a switched ISDN connection; assigning a redirecting number associated with the PBX to an ISDN message set-up string of the call; forwarding the call to the communication platform; delivering the forwarded call to a destination voice mailbox based on the redirecting number; and assigning a value at the PBX to the ISDN call message set-up string selected from the list consisting of: i) a calling party number; ii) a calling party subaddress; iii) a called party number; iv) a called party subaddress; v) no user responding, and vi) user busy.