Patent ID: 7257089

Claim:
A method of transferring call sessions between a network of attendant, messaging and content-based speech systems for a call between a caller and a target, comprising the steps of: establishing a voice over Internet protocol (VoIP) bi-directional link between an originating system receiving the call from the caller and a destination system, the destination system serving the target, wherein the originating system is a first attendant, messaging and content-based speech system serving a first plurality of extensions at a first location, the destination system is a second attendant, messaging and content-based speech system serving a second plurality of persons at a second location, the originating system being networked with the destination system; transmitting a wink string over the VoIP bi-directional link; transferring a call session to the destination system using the VoIP bi-directional link; and after the step of transmitting, causing the destination system to provide services to the caller during the call in the same manner as providing the services to calls local to the destination system.