IPT Deployment in big: Cisco Systems

Cisco has one of the biggest IP Telephony network (if not the biggest one). But it wasn't built just from one day to another. It took some years to build it into its present state. If you want to learn more about how has Cisco migrated its old telephony network into a one fully converged network with IP Phones and unified communications, then click on the links bellow:
IP Telephony Deployment (PDF - 2.34 MB)
IP Telephony Deployment (PDF - 283 KB )
IP Telephony Deployment (MEDIA - 00:43:51 Minutes)

The following links also show the best practices learned during the deployment:

IP Telephony – Best Practices (PDF - 795 KB)
IP Telephony - Best Practices 1 (PDF - 287 KB)
IP Telephony - Best Practices 2 (PDF - 303 KB)
IP Telephony - Best Practices (MEDIA - 00:41:28 Minutes)