June 2004
Intermediate to advanced
408 pages
12h 6m
English
book
THE ROAD TO IP TELEPHONY: HOW CISCO SYSTEMS MIGRATED FROM PBX TO IP TELEPHONY
by Stephanie L. Carhee
Content preview from THE ROAD TO IP TELEPHONY: HOW CISCO SYSTEMS MIGRATED FROM PBX TO IP TELEPHONY
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Chapter 4: Implementation
(151)
NOTE Refer to Chapter 6, “Final Piece of the Conversion,” for the current Cisco
performance rating on the converged network. You can also reference a
Cisco white paper titled “IT-LAN High Availability” at http://
www.cisco.com/application/pdf/en/us/guest/tech/tk769/c1550/
cdccont_0900aecd800b29ac.pdf.
QoS on the Cisco IT Network
The implementation of IP Telephony throughout Cisco was the driving factor in the
development of a QoS strategy on the Cisco IT global network. “Cisco’s QoS solution had
to provide the necessary special handling requirements by certain traffic types,” says Craig
Huegen, chief network architect. ...
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