s because once the basic software is configured, only new customer information needs to be entered into the software. All customers have close to the same features, thereby simplifying the set-up and the software. In addition, LAN monitoring suppliers receive a continuous stream of income from customers' subscriptions. In contrast, with on-site sales, there is a one-time payment for the software and an approximate 12 percent of the purchase price annual maintenance fee. Cloud provider customers' advantages are that they avoid a one-time purchase price and the day-to-day maintenance of the software. Rather cloud providers' customers pay monthly fees based on the size of their systems. Customers whose systems are in the cloud are provided with a console with a browser interface SO they are able to receive indications of what's up and what's not and print charts and graphical summaries of the status of their gear. Monitoring software located in the cloud needs the capability to monitor diverse customers located in different locations and distinguish, for example, Customer A from Customer B. This capability is provided by multi-tenant software. Multi-tenant software is able to organize the software by individual companies. IP PBXS-VOICE, VIDEO, AND UNIFIED COMMUNICATIONS Software for IP phone systems is located on servers that use industry-standard operating systems and often open- source protocols. They don't require a great deal of space and voice is considered another application in the data center. www.TechnicalPDF.com The use of voice telephony in business and commercial organizations is declining as staff rely increasingly on messaging and e-mail services to communicate. As a matter of fact, some high-tech companies such as Alphabet do not supply most employees with telephones. Rather, these employees use e-mail and text messages to communicate with each other and the outside world. If they do need to speak with someone, they use their own cell phone. Most high- tech companies do provide some voice capabilities