Patent ID: 7787607
Filing Date: 2010-08-31
Classification: H04M

Abstract:
1. A method comprising: receiving a dial request from a first client device via a data channel at a server; transmitting a call initiation instruction from the server to a Private Branch Exchange Server, the call initiation instruction comprising session data for the dial request in response to the dial request; transmitting a call initiation message from the server to the first client device in response to the dial request, the call initiation message comprising data representative of a transaction identification associated with the call request and a telephone number by which the first client device can establish a connection with a the Private Branch Exchange server; receiving a first telephone call on a first voice channel from the first client device by the Private Branch Exchange server on the telephone number provided in the call initiation message; receiving the transaction identification on the first voice channel from the first client device by the Private Branch Exchange; initiating a second telephone call between the Private Branch Exchange server and a second client device responsive to receiving the transaction identification from the first client device; and joining the first telephone call and the second telephone call to form a voice conference call.