© 2007 Cisco Systems, Inc. All rights reserved.DESGN v Integrating Voice in the Network Design Define the requirements for voice services. Select an IP telephony design model based on the requirements. Implement voice support in the infrastructure: –Select appropriate call control and transport protocols. –Select appropriate coding and compression mechanisms. –Provision needed bandwidth. –Deploy VoIP components. –Implement end-to-end QoS.

© 2007 Cisco Systems, Inc. All rights reserved.DESGN v Module Summary New IP telephony solutions must integrate into existing environments and provide similar functionality. Business needs are driving the need for unified networks supporting unified communications networks. There are many issues that affect voice traffic, such as delay, jitter, packet loss, congestion, and slow-speed links. Compression techniques, LFI, and QoS mechanisms can alleviate many of these issues.

© 2007 Cisco Systems, Inc. All rights reserved.DESGN v2.07-3