September 2001
Beginner
528 pages
14h 14m
English
Content preview from Essential Guide to Telecommunications, The, Third EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Add-On Peripherals for Key Systems, Pbxs and Centrex Systems
Sales of basic on-site telephone systems are extremely competitive and margins are slim. Discounts of up to 40% are common on purchases. Slim margins, the need to raise money and slow growth are among the reasons that Lucent divested itself of Avaya, its PBX and customer premise equipment (CPE) division. Vendors of telephone systems and CPE derive much of their profits in the following areas:
Maintenance contracts on telephone systems
Moves, adds and changes of installed-base telephone equipment
Upgrades to the hardware and software of existing telephone systems
Feature telephones with built-in speakerphones, feature buttons and liquid crystal displays
Wireless telephones for PBX and key ...
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