Patent ID: 6856614
Filing Date: 2005-02-15
Classification: H04L

Abstract:
1. A method for a VDM device placing a call from within a network to a phone outside of network, comprising: a) detecting dial tone from an internal phone that is a phone within a voice and data network, b) determining call to be made to an outside phone that is a phone outside of said voice and data network, c) storing address of link to wide area network (LTW) as destination address (DA) and storing dialed number, d) sending request for connection packet to queue with DA as destination address and port ID as source address of the request for connection packet, e) determining outside line availability and hanging up the internal phone if outside line not available, f) sending a dialed number packet to queue with DA as destination address and port ID as source address of the dialed number packet, g) detecting packet from the LTW, h) detecting if outside line is busy and hanging up the internal phone if outside line is busy, i) determining if connection made, sending dialing signal to the outside phone, if connection is not made, sending hang up packet to queue with DA as destination address if hang up signal from outside received, and returning to determining connection is made if hang up signal from outside is not received, j) converting voice signal to Ethernet packet with DA as destination address if connection is made, and converting received voice packets to voice signals and send to the internal phone, k) detecting hang up packet from the LTW and hanging up the internal phone, l) detecting hang up of the internal phone, sending hang up packet to queue with DA as destination address, and hanging up the internal phone, m) continuing to convert voice signal to Ethernet packet with DA as destination address and to convert received voice packets to voice signals and send to the internal phone if hang up packet not detected.