Patent ID: 9137377
Filing Date: 2015-09-15
Classification: H04M

Abstract:
1. A method of a releasing a communications appliance from a private branch exchange to establish a communication session between two end-points of a network and through the private branch exchange, the method comprising: issuing, by a communications appliance, a path replacement command to the private branch exchange to release the communications appliance from a communication session with the private branch exchange, the communications appliance intermediary to the private branch exchange and a plurality of end points on a computer network; receiving, by the communications appliance, a facility message from the private branch exchange destined for a first end-point of the communications session, the first end-point of the plurality of end points requesting the communication session via the communications appliance with a second end-point of the plurality of end points; transmitting, by the communications appliance, the received facility message to the second end-point of the communications session; transmitting, by the private branch exchange, an ISDN release command to the first end-point of the communication session and the second end-point of the communication session to bridge the first end-point and the second-end point via the path; and wherein the communications appliance is released from the path, maintains control of the path for the duration of the communication session between the first end-point and second end-point after being released and the communications appliance accepts a new communication session between a third end-point and a fourth end-point using resources released from the path.