Authorized self study guide cisco voice over ip cvoice kevin wallace 3rd ed p cm isbn 978 1 58705 554 6 hbk cd rom 1 internet telephony examinations study guides 2 electronic data processing personnel certification study guides i title ii title cisco voice over ip cvoice tk51058865w3345 2008 004695 . Cisco voice over ip cvoice third edition is a cisco authorized self paced learning tool for ccvp foundation learning this book provides you with the knowledge and skills required to plan design and deploy a cisco voice over ip voip network and to integrate gateways and gatekeepers into an enterprise voip network. Authorized self study guide cisco voice over ip cvoice unlike fax pass through fax relay as depicted in figure 2 7 demodulates the fax bits at the local gateway sends the information across the voice network using the fax relay protocol and then remodulates the bits back into tones at the far gateway. Cisco voice over ip cvoice authorized self study guide 3rd edition wallace kevin on amazoncom free shipping on qualifying offers cisco voice over ip cvoice authorized self study guide 3rd edition. Authorized self study guide cisco voice over ip cvoice third edition foundation learning for cvoice exam 642 436 kevin wallace ccie no 7945 cisco voice over ip cvoice third edition is a cisco authorized self paced learning tool for ccvp foundation learning