VoIP requires close attention and management! Understanding What You Have to Manage You canвЂ™t manage what you donвЂ™t measure and you canвЂ™t measure what you donвЂ™t collect. More network equipment to understand and monitor.Requires tighter management of network.Impact to both application performance and voice traffic.Reduces cost of ownership, management and maintenance Downsides of VoIP.Eliminates the need for separate voice and data infrastructures.

Runs on existing data networks both LAN and WAN.

Integrates voice and data on the same network.

Using SIP or H.323 signaling ensures call can be setup вЂ“ valid destination and connection available.

VoIP In the Network IP Wide Area Network VoIP Enabled Router H.323 or SIP Signaling VoIP Server Firewall

All VoIP protocols use User Datagram Protocol (UDP) as the underlying transport.

Provides monitoring of packets and control to ensure delivery between the two end points.

RTCP or Real-time Transport Control Protocol.

Provides end-to-end transport of VoIP packets across a network.

Provides signaling to setup a 'session' or call between two end points (IP Phones for example).

The various standards that make up VoIP are:.

VoIP is a set of standards to run voice calls over IP networks.

Provided mechanical end-to-end connections - eliminated operators.

Automated switches вЂ“ Public Switched Telephone Network.

Remember operators plugging cables to connect calls?.

Bell Network вЂ“ provided all telephone service in the U.S.

Changed voice into electrical impulses.

WhatsUp Gold VoIP Monitor Product Overview

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